* checktab.awk: Check for common instances of a Rule line containing LETTER/S that are never used. All instances removed. This does not change zic output; it merely omits data no longer relevant to entries that now use numeric time zone abbreviations. --- africa | 8 +-- asia | 148 ++++++++++++++++++++-------------------- australasia | 86 ++++++++++++------------ checktab.awk | 9 +++ europe | 14 ++-- southamerica | 216 +++++++++++++++++++++++++++++------------------------------ 6 files changed, 245 insertions(+), 236 deletions(-) diff --git a/africa b/africa index 56640cd..0f8b16c 100644 --- a/africa +++ b/africa @@ -396,8 +396,8 @@ Zone Africa/Cairo 2:05:09 - LMT 1900 Oct # lack of better info, use Shanks except treat the minus sign as a # typo, and assume DST started in 1920 not 1936. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Ghana 1920 1942 - Sep 1 0:00 0:20 GHST -Rule Ghana 1920 1942 - Dec 31 0:00 0 GMT +Rule Ghana 1920 1942 - Sep 1 0:00 0:20 - +Rule Ghana 1920 1942 - Dec 31 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Accra -0:00:52 - LMT 1918 0:00 Ghana GMT/+0020 @@ -609,9 +609,9 @@ Zone Africa/Tripoli 0:52:44 - LMT 1920 # at 2am (or 02:00) local time..." # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mauritius 1982 only - Oct 10 0:00 1:00 S +Rule Mauritius 1982 only - Oct 10 0:00 1:00 - Rule Mauritius 1983 only - Mar 21 0:00 0 - -Rule Mauritius 2008 only - Oct lastSun 2:00 1:00 S +Rule Mauritius 2008 only - Oct lastSun 2:00 1:00 - Rule Mauritius 2009 only - Mar lastSun 2:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis diff --git a/asia b/asia index 3f6e95c..63d2fb0 100644 --- a/asia +++ b/asia @@ -69,13 +69,13 @@ Rule EUAsia 1981 max - Mar lastSun 1:00u 1:00 S Rule EUAsia 1979 1995 - Sep lastSun 1:00u 0 - Rule EUAsia 1996 max - Oct lastSun 1:00u 0 - -Rule E-EurAsia 1981 max - Mar lastSun 0:00 1:00 S +Rule E-EurAsia 1981 max - Mar lastSun 0:00 1:00 - Rule E-EurAsia 1979 1995 - Sep lastSun 0:00 0 - Rule E-EurAsia 1996 max - Oct lastSun 0:00 0 - -Rule RussiaAsia 1981 1984 - Apr 1 0:00 1:00 S +Rule RussiaAsia 1981 1984 - Apr 1 0:00 1:00 - Rule RussiaAsia 1981 1983 - Oct 1 0:00 0 - Rule RussiaAsia 1984 1995 - Sep lastSun 2:00s 0 - -Rule RussiaAsia 1985 2010 - Mar lastSun 2:00s 1:00 S +Rule RussiaAsia 1985 2010 - Mar lastSun 2:00s 1:00 - Rule RussiaAsia 1996 2010 - Oct lastSun 2:00s 0 - # Afghanistan @@ -110,7 +110,7 @@ Zone Asia/Kabul 4:36:48 - LMT 1890 # (brief) # http://www.worldtimezone.com/dst_news/dst_news_armenia03.html # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Armenia 2011 only - Mar lastSun 2:00s 1:00 S +Rule Armenia 2011 only - Mar lastSun 2:00s 1:00 - Rule Armenia 2011 only - Oct lastSun 2:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2 @@ -136,7 +136,7 @@ Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2 # http://en.apa.az/xeber_azerbaijan_abolishes_daylight_savings_ti_240862.html # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Azer 1997 2015 - Mar lastSun 4:00 1:00 S +Rule Azer 1997 2015 - Mar lastSun 4:00 1:00 - Rule Azer 1997 2015 - Oct lastSun 5:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Baku 3:19:24 - LMT 1924 May 2 @@ -223,7 +223,7 @@ Zone Asia/Baku 3:19:24 - LMT 1924 May 2 # http://www.worldtimezone.com/dst_news/dst_news_bangladesh06.html # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Dhaka 2009 only - Jun 19 23:00 1:00 S +Rule Dhaka 2009 only - Jun 19 23:00 1:00 - Rule Dhaka 2009 only - Dec 31 24:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1106,61 +1106,61 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # thirtieth day of Shahrivar. # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Iran 1978 1980 - Mar 21 0:00 1:00 D -Rule Iran 1978 only - Oct 21 0:00 0 S -Rule Iran 1979 only - Sep 19 0:00 0 S -Rule Iran 1980 only - Sep 23 0:00 0 S -Rule Iran 1991 only - May 3 0:00 1:00 D -Rule Iran 1992 1995 - Mar 22 0:00 1:00 D -Rule Iran 1991 1995 - Sep 22 0:00 0 S -Rule Iran 1996 only - Mar 21 0:00 1:00 D -Rule Iran 1996 only - Sep 21 0:00 0 S -Rule Iran 1997 1999 - Mar 22 0:00 1:00 D -Rule Iran 1997 1999 - Sep 22 0:00 0 S -Rule Iran 2000 only - Mar 21 0:00 1:00 D -Rule Iran 2000 only - Sep 21 0:00 0 S -Rule Iran 2001 2003 - Mar 22 0:00 1:00 D -Rule Iran 2001 2003 - Sep 22 0:00 0 S -Rule Iran 2004 only - Mar 21 0:00 1:00 D -Rule Iran 2004 only - Sep 21 0:00 0 S -Rule Iran 2005 only - Mar 22 0:00 1:00 D -Rule Iran 2005 only - Sep 22 0:00 0 S -Rule Iran 2008 only - Mar 21 0:00 1:00 D -Rule Iran 2008 only - Sep 21 0:00 0 S -Rule Iran 2009 2011 - Mar 22 0:00 1:00 D -Rule Iran 2009 2011 - Sep 22 0:00 0 S -Rule Iran 2012 only - Mar 21 0:00 1:00 D -Rule Iran 2012 only - Sep 21 0:00 0 S -Rule Iran 2013 2015 - Mar 22 0:00 1:00 D -Rule Iran 2013 2015 - Sep 22 0:00 0 S -Rule Iran 2016 only - Mar 21 0:00 1:00 D -Rule Iran 2016 only - Sep 21 0:00 0 S -Rule Iran 2017 2019 - Mar 22 0:00 1:00 D -Rule Iran 2017 2019 - Sep 22 0:00 0 S -Rule Iran 2020 only - Mar 21 0:00 1:00 D -Rule Iran 2020 only - Sep 21 0:00 0 S -Rule Iran 2021 2023 - Mar 22 0:00 1:00 D -Rule Iran 2021 2023 - Sep 22 0:00 0 S -Rule Iran 2024 only - Mar 21 0:00 1:00 D -Rule Iran 2024 only - Sep 21 0:00 0 S -Rule Iran 2025 2027 - Mar 22 0:00 1:00 D -Rule Iran 2025 2027 - Sep 22 0:00 0 S -Rule Iran 2028 2029 - Mar 21 0:00 1:00 D -Rule Iran 2028 2029 - Sep 21 0:00 0 S -Rule Iran 2030 2031 - Mar 22 0:00 1:00 D -Rule Iran 2030 2031 - Sep 22 0:00 0 S -Rule Iran 2032 2033 - Mar 21 0:00 1:00 D -Rule Iran 2032 2033 - Sep 21 0:00 0 S -Rule Iran 2034 2035 - Mar 22 0:00 1:00 D -Rule Iran 2034 2035 - Sep 22 0:00 0 S +Rule Iran 1978 1980 - Mar 21 0:00 1:00 - +Rule Iran 1978 only - Oct 21 0:00 0 - +Rule Iran 1979 only - Sep 19 0:00 0 - +Rule Iran 1980 only - Sep 23 0:00 0 - +Rule Iran 1991 only - May 3 0:00 1:00 - +Rule Iran 1992 1995 - Mar 22 0:00 1:00 - +Rule Iran 1991 1995 - Sep 22 0:00 0 - +Rule Iran 1996 only - Mar 21 0:00 1:00 - +Rule Iran 1996 only - Sep 21 0:00 0 - +Rule Iran 1997 1999 - Mar 22 0:00 1:00 - +Rule Iran 1997 1999 - Sep 22 0:00 0 - +Rule Iran 2000 only - Mar 21 0:00 1:00 - +Rule Iran 2000 only - Sep 21 0:00 0 - +Rule Iran 2001 2003 - Mar 22 0:00 1:00 - +Rule Iran 2001 2003 - Sep 22 0:00 0 - +Rule Iran 2004 only - Mar 21 0:00 1:00 - +Rule Iran 2004 only - Sep 21 0:00 0 - +Rule Iran 2005 only - Mar 22 0:00 1:00 - +Rule Iran 2005 only - Sep 22 0:00 0 - +Rule Iran 2008 only - Mar 21 0:00 1:00 - +Rule Iran 2008 only - Sep 21 0:00 0 - +Rule Iran 2009 2011 - Mar 22 0:00 1:00 - +Rule Iran 2009 2011 - Sep 22 0:00 0 - +Rule Iran 2012 only - Mar 21 0:00 1:00 - +Rule Iran 2012 only - Sep 21 0:00 0 - +Rule Iran 2013 2015 - Mar 22 0:00 1:00 - +Rule Iran 2013 2015 - Sep 22 0:00 0 - +Rule Iran 2016 only - Mar 21 0:00 1:00 - +Rule Iran 2016 only - Sep 21 0:00 0 - +Rule Iran 2017 2019 - Mar 22 0:00 1:00 - +Rule Iran 2017 2019 - Sep 22 0:00 0 - +Rule Iran 2020 only - Mar 21 0:00 1:00 - +Rule Iran 2020 only - Sep 21 0:00 0 - +Rule Iran 2021 2023 - Mar 22 0:00 1:00 - +Rule Iran 2021 2023 - Sep 22 0:00 0 - +Rule Iran 2024 only - Mar 21 0:00 1:00 - +Rule Iran 2024 only - Sep 21 0:00 0 - +Rule Iran 2025 2027 - Mar 22 0:00 1:00 - +Rule Iran 2025 2027 - Sep 22 0:00 0 - +Rule Iran 2028 2029 - Mar 21 0:00 1:00 - +Rule Iran 2028 2029 - Sep 21 0:00 0 - +Rule Iran 2030 2031 - Mar 22 0:00 1:00 - +Rule Iran 2030 2031 - Sep 22 0:00 0 - +Rule Iran 2032 2033 - Mar 21 0:00 1:00 - +Rule Iran 2032 2033 - Sep 21 0:00 0 - +Rule Iran 2034 2035 - Mar 22 0:00 1:00 - +Rule Iran 2034 2035 - Sep 22 0:00 0 - # # The following rules are approximations starting in the year 2038. # These are the best post-2037 approximations available, given the # restrictions of a single rule using a Gregorian-based data format. # At some point this table will need to be extended, though quite # possibly Iran will change the rules first. -Rule Iran 2036 max - Mar 21 0:00 1:00 D -Rule Iran 2036 max - Sep 21 0:00 0 S +Rule Iran 2036 max - Mar 21 0:00 1:00 - +Rule Iran 2036 max - Sep 21 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Tehran 3:25:44 - LMT 1916 @@ -1196,17 +1196,17 @@ Zone Asia/Tehran 3:25:44 - LMT 1916 # https://www.timeanddate.com/news/time/iraq-dumps-daylight-saving.html # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Iraq 1982 only - May 1 0:00 1:00 D -Rule Iraq 1982 1984 - Oct 1 0:00 0 S -Rule Iraq 1983 only - Mar 31 0:00 1:00 D -Rule Iraq 1984 1985 - Apr 1 0:00 1:00 D -Rule Iraq 1985 1990 - Sep lastSun 1:00s 0 S -Rule Iraq 1986 1990 - Mar lastSun 1:00s 1:00 D +Rule Iraq 1982 only - May 1 0:00 1:00 - +Rule Iraq 1982 1984 - Oct 1 0:00 0 - +Rule Iraq 1983 only - Mar 31 0:00 1:00 - +Rule Iraq 1984 1985 - Apr 1 0:00 1:00 - +Rule Iraq 1985 1990 - Sep lastSun 1:00s 0 - +Rule Iraq 1986 1990 - Mar lastSun 1:00s 1:00 - # IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the ':01' is a typo. # Shanks & Pottenger say Iraq did not observe DST 1992/1997; ignore this. # -Rule Iraq 1991 2007 - Apr 1 3:00s 1:00 D -Rule Iraq 1991 2007 - Oct 1 3:00s 0 S +Rule Iraq 1991 2007 - Apr 1 3:00s 1:00 - +Rule Iraq 1991 2007 - Oct 1 3:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Baghdad 2:57:40 - LMT 1890 2:57:36 - BMT 1918 # Baghdad Mean Time? @@ -1903,9 +1903,9 @@ Zone Asia/Oral 3:25:24 - LMT 1924 May 2 # or Ural'sk # From 2005-08-12 our GMT-offset is +6, w/o any daylight saving. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Kyrgyz 1992 1996 - Apr Sun>=7 0:00s 1:00 S +Rule Kyrgyz 1992 1996 - Apr Sun>=7 0:00s 1:00 - Rule Kyrgyz 1992 1996 - Sep lastSun 0:00 0 - -Rule Kyrgyz 1997 2005 - Mar lastSun 2:30 1:00 S +Rule Kyrgyz 1997 2005 - Mar lastSun 2:30 1:00 - Rule Kyrgyz 1997 2004 - Oct lastSun 2:30 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2 @@ -2037,7 +2037,7 @@ Zone Asia/Beirut 2:22:00 - LMT 1880 # Malaysia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule NBorneo 1935 1941 - Sep 14 0:00 0:20 TS # one-Third Summer +Rule NBorneo 1935 1941 - Sep 14 0:00 0:20 - Rule NBorneo 1935 1941 - Dec 14 0:00 0 - # # peninsular Malaysia @@ -2182,7 +2182,7 @@ Zone Indian/Maldives 4:54:00 - LMT 1880 # Malé # http://zasag.mn/news/view/8969 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mongol 1983 1984 - Apr 1 0:00 1:00 S +Rule Mongol 1983 1984 - Apr 1 0:00 1:00 - Rule Mongol 1983 only - Oct 1 0:00 0 - # Shanks & Pottenger and IATA SSIM say 1990s switches occurred at 00:00, # but McDow says the 2001 switches occurred at 02:00. Also, IATA SSIM @@ -2199,13 +2199,13 @@ Rule Mongol 1983 only - Oct 1 0:00 0 - # Mongolian Government meeting has concluded today to cancel daylight # saving time adoption in Mongolia. Source: http://zasag.mn/news/view/16192 -Rule Mongol 1985 1998 - Mar lastSun 0:00 1:00 S +Rule Mongol 1985 1998 - Mar lastSun 0:00 1:00 - Rule Mongol 1984 1998 - Sep lastSun 0:00 0 - # IATA SSIM (1999-09) says Mongolia no longer observes DST. -Rule Mongol 2001 only - Apr lastSat 2:00 1:00 S +Rule Mongol 2001 only - Apr lastSat 2:00 1:00 - Rule Mongol 2001 2006 - Sep lastSat 2:00 0 - -Rule Mongol 2002 2006 - Mar lastSat 2:00 1:00 S -Rule Mongol 2015 2016 - Mar lastSat 2:00 1:00 S +Rule Mongol 2002 2006 - Mar lastSat 2:00 1:00 - +Rule Mongol 2015 2016 - Mar lastSat 2:00 1:00 - Rule Mongol 2015 2016 - Sep lastSat 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -2737,11 +2737,11 @@ Zone Asia/Hebron 2:20:23 - LMT 1900 Oct # http://www.philstar.com/headlines/2014/08/05/1354152/pnoy-urged-declare-use-... # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Phil 1936 only - Nov 1 0:00 1:00 S +Rule Phil 1936 only - Nov 1 0:00 1:00 - Rule Phil 1937 only - Feb 1 0:00 0 - -Rule Phil 1954 only - Apr 12 0:00 1:00 S +Rule Phil 1954 only - Apr 12 0:00 1:00 - Rule Phil 1954 only - Jul 1 0:00 0 - -Rule Phil 1978 only - Mar 22 0:00 1:00 S +Rule Phil 1978 only - Mar 22 0:00 1:00 - Rule Phil 1978 only - Sep 21 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31 diff --git a/australasia b/australasia index bdf19a4..2de41d2 100644 --- a/australasia +++ b/australasia @@ -196,20 +196,20 @@ Zone Australia/Broken_Hill 9:25:48 - LMT 1895 Feb # Lord Howe Island # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule LH 1981 1984 - Oct lastSun 2:00 1:00 D -Rule LH 1982 1985 - Mar Sun>=1 2:00 0 S -Rule LH 1985 only - Oct lastSun 2:00 0:30 D -Rule LH 1986 1989 - Mar Sun>=15 2:00 0 S -Rule LH 1986 only - Oct 19 2:00 0:30 D -Rule LH 1987 1999 - Oct lastSun 2:00 0:30 D -Rule LH 1990 1995 - Mar Sun>=1 2:00 0 S -Rule LH 1996 2005 - Mar lastSun 2:00 0 S -Rule LH 2000 only - Aug lastSun 2:00 0:30 D -Rule LH 2001 2007 - Oct lastSun 2:00 0:30 D -Rule LH 2006 only - Apr Sun>=1 2:00 0 S -Rule LH 2007 only - Mar lastSun 2:00 0 S -Rule LH 2008 max - Apr Sun>=1 2:00 0 S -Rule LH 2008 max - Oct Sun>=1 2:00 0:30 D +Rule LH 1981 1984 - Oct lastSun 2:00 1:00 - +Rule LH 1982 1985 - Mar Sun>=1 2:00 0 - +Rule LH 1985 only - Oct lastSun 2:00 0:30 - +Rule LH 1986 1989 - Mar Sun>=15 2:00 0 - +Rule LH 1986 only - Oct 19 2:00 0:30 - +Rule LH 1987 1999 - Oct lastSun 2:00 0:30 - +Rule LH 1990 1995 - Mar Sun>=1 2:00 0 - +Rule LH 1996 2005 - Mar lastSun 2:00 0 - +Rule LH 2000 only - Aug lastSun 2:00 0:30 - +Rule LH 2001 2007 - Oct lastSun 2:00 0:30 - +Rule LH 2006 only - Apr Sun>=1 2:00 0 - +Rule LH 2007 only - Mar lastSun 2:00 0 - +Rule LH 2008 max - Apr Sun>=1 2:00 0 - +Rule LH 2008 max - Oct Sun>=1 2:00 0:30 - Zone Australia/Lord_Howe 10:36:20 - LMT 1895 Feb 10:00 - AEST 1981 Mar 10:30 LH +1030/+1130 1985 Jul @@ -367,15 +367,15 @@ Zone Indian/Cocos 6:27:40 - LMT 1900 # practice than guessing no DST. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Fiji 1998 1999 - Nov Sun>=1 2:00 1:00 S +Rule Fiji 1998 1999 - Nov Sun>=1 2:00 1:00 - Rule Fiji 1999 2000 - Feb lastSun 3:00 0 - -Rule Fiji 2009 only - Nov 29 2:00 1:00 S +Rule Fiji 2009 only - Nov 29 2:00 1:00 - Rule Fiji 2010 only - Mar lastSun 3:00 0 - -Rule Fiji 2010 2013 - Oct Sun>=21 2:00 1:00 S +Rule Fiji 2010 2013 - Oct Sun>=21 2:00 1:00 - Rule Fiji 2011 only - Mar Sun>=1 3:00 0 - Rule Fiji 2012 2013 - Jan Sun>=18 3:00 0 - Rule Fiji 2014 only - Jan Sun>=18 2:00 0 - -Rule Fiji 2014 max - Nov Sun>=1 2:00 1:00 S +Rule Fiji 2014 max - Nov Sun>=1 2:00 1:00 - Rule Fiji 2015 max - Jan Sun>=14 3:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Fiji 11:55:44 - LMT 1915 Oct 26 # Suva @@ -447,9 +447,9 @@ Zone Pacific/Nauru 11:07:40 - LMT 1921 Jan 15 # Uaobe # New Caledonia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule NC 1977 1978 - Dec Sun>=1 0:00 1:00 S +Rule NC 1977 1978 - Dec Sun>=1 0:00 1:00 - Rule NC 1978 1979 - Feb 27 0:00 0 - -Rule NC 1996 only - Dec 1 2:00s 1:00 S +Rule NC 1996 only - Dec 1 2:00s 1:00 - # Shanks & Pottenger say the following was at 2:00; go with IATA. Rule NC 1997 only - Mar 2 2:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -474,23 +474,23 @@ Rule NZ 1946 only - Jan 1 0:00 0 S # transition. Duplicate the Rule lines for now, to give the 2018a change # time to percolate out. Rule NZ 1974 only - Nov Sun>=1 2:00s 1:00 D -Rule Chatham 1974 only - Nov Sun>=1 2:45s 1:00 D +Rule Chatham 1974 only - Nov Sun>=1 2:45s 1:00 - Rule NZ 1975 only - Feb lastSun 2:00s 0 S -Rule Chatham 1975 only - Feb lastSun 2:45s 0 S +Rule Chatham 1975 only - Feb lastSun 2:45s 0 - Rule NZ 1975 1988 - Oct lastSun 2:00s 1:00 D -Rule Chatham 1975 1988 - Oct lastSun 2:45s 1:00 D +Rule Chatham 1975 1988 - Oct lastSun 2:45s 1:00 - Rule NZ 1976 1989 - Mar Sun>=1 2:00s 0 S -Rule Chatham 1976 1989 - Mar Sun>=1 2:45s 0 S +Rule Chatham 1976 1989 - Mar Sun>=1 2:45s 0 - Rule NZ 1989 only - Oct Sun>=8 2:00s 1:00 D -Rule Chatham 1989 only - Oct Sun>=8 2:45s 1:00 D +Rule Chatham 1989 only - Oct Sun>=8 2:45s 1:00 - Rule NZ 1990 2006 - Oct Sun>=1 2:00s 1:00 D -Rule Chatham 1990 2006 - Oct Sun>=1 2:45s 1:00 D +Rule Chatham 1990 2006 - Oct Sun>=1 2:45s 1:00 - Rule NZ 1990 2007 - Mar Sun>=15 2:00s 0 S -Rule Chatham 1990 2007 - Mar Sun>=15 2:45s 0 S +Rule Chatham 1990 2007 - Mar Sun>=15 2:45s 0 - Rule NZ 2007 max - Sep lastSun 2:00s 1:00 D -Rule Chatham 2007 max - Sep lastSun 2:45s 1:00 D +Rule Chatham 2007 max - Sep lastSun 2:45s 1:00 - Rule NZ 2008 max - Apr Sun>=1 2:00s 0 S -Rule Chatham 2008 max - Apr Sun>=1 2:45s 0 S +Rule Chatham 2008 max - Apr Sun>=1 2:45s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Auckland 11:39:04 - LMT 1868 Nov 2 11:30 NZ NZ%sT 1946 Jan 1 @@ -514,9 +514,9 @@ Link Pacific/Auckland Antarctica/McMurdo # Cook Is # From Shanks & Pottenger: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Cook 1978 only - Nov 12 0:00 0:30 HS +Rule Cook 1978 only - Nov 12 0:00 0:30 - Rule Cook 1979 1991 - Mar Sun>=1 0:00 0 - -Rule Cook 1979 1990 - Oct lastSun 0:00 0:30 HS +Rule Cook 1979 1990 - Oct lastSun 0:00 0:30 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Rarotonga -10:39:04 - LMT 1901 # Avarua -10:30 - -1030 1978 Nov 12 @@ -657,11 +657,11 @@ Link Pacific/Pago_Pago Pacific/Midway # in US minor outlying islands # Assume the pattern instituted in 2012 will continue indefinitely. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule WS 2010 only - Sep lastSun 0:00 1 D -Rule WS 2011 only - Apr Sat>=1 4:00 0 S -Rule WS 2011 only - Sep lastSat 3:00 1 D -Rule WS 2012 max - Apr Sun>=1 4:00 0 S -Rule WS 2012 max - Sep lastSun 3:00 1 D +Rule WS 2010 only - Sep lastSun 0:00 1 - +Rule WS 2011 only - Apr Sat>=1 4:00 0 - +Rule WS 2011 only - Sep lastSat 3:00 1 - +Rule WS 2012 max - Apr Sun>=1 4:00 0 - +Rule WS 2012 max - Sep lastSun 3:00 1 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Apia 12:33:04 - LMT 1892 Jul 5 -11:26:56 - LMT 1911 @@ -701,11 +701,11 @@ Zone Pacific/Fakaofo -11:24:56 - LMT 1901 # Tonga # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Tonga 1999 only - Oct 7 2:00s 1:00 S +Rule Tonga 1999 only - Oct 7 2:00s 1:00 - Rule Tonga 2000 only - Mar 19 2:00s 0 - -Rule Tonga 2000 2001 - Nov Sun>=1 2:00 1:00 S +Rule Tonga 2000 2001 - Nov Sun>=1 2:00 1:00 - Rule Tonga 2001 2002 - Jan lastSun 2:00 0 - -Rule Tonga 2016 only - Nov Sun>=1 2:00 1:00 S +Rule Tonga 2016 only - Nov Sun>=1 2:00 1:00 - Rule Tonga 2017 only - Jan Sun>=15 3:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Tongatapu 12:19:20 - LMT 1901 @@ -782,12 +782,12 @@ Zone Pacific/Wake 11:06:28 - LMT 1901 # Vanuatu # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Vanuatu 1983 only - Sep 25 0:00 1:00 S +Rule Vanuatu 1983 only - Sep 25 0:00 1:00 - Rule Vanuatu 1984 1991 - Mar Sun>=23 0:00 0 - -Rule Vanuatu 1984 only - Oct 23 0:00 1:00 S -Rule Vanuatu 1985 1991 - Sep Sun>=23 0:00 1:00 S +Rule Vanuatu 1984 only - Oct 23 0:00 1:00 - +Rule Vanuatu 1985 1991 - Sep Sun>=23 0:00 1:00 - Rule Vanuatu 1992 1993 - Jan Sun>=23 0:00 0 - -Rule Vanuatu 1992 only - Oct Sun>=23 0:00 1:00 S +Rule Vanuatu 1992 only - Oct Sun>=23 0:00 1:00 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila 11:00 Vanuatu +11/+12 diff --git a/checktab.awk b/checktab.awk index 2397673..393ab19 100644 --- a/checktab.awk +++ b/checktab.awk @@ -126,6 +126,7 @@ $1 ~ /^#/ { next } if ($1 == "Zone") { tz = $2 ruleUsed[$4] = 1 + if ($5 ~ /%/) rulePercentUsed[$4] = 1 } else if ($1 == "Link" && zone_table == "zone.tab") { # Ignore Link commands if source and destination basenames # are identical, e.g. Europe/Istanbul versus Asia/Istanbul. @@ -136,8 +137,10 @@ $1 ~ /^#/ { next } if (src != dst) tz = $3 } else if ($1 == "Rule") { ruleDefined[$2] = 1 + if ($10 != "-") ruleLetters[$2] = 1 } else { ruleUsed[$2] = 1 + if ($3 ~ /%/) rulePercentUsed[$2] = 1 } if (tz && tz ~ /\//) { if (!tztab[tz]) { @@ -156,6 +159,12 @@ END { status = 1 } } + for (tz in ruleLetters) { + if (!rulePercentUsed[tz]) { + printf "%s: Rule contains letters never used\n", tz + status = 1 + } + } for (tz in tztab) { if (!zoneSeen[tz]) { printf "%s:%d: no Zone table for '%s'\n", \ diff --git a/europe b/europe index 5aeda33..76cbb5d 100644 --- a/europe +++ b/europe @@ -1539,21 +1539,21 @@ Zone Europe/Budapest 1:16:20 - LMT 1890 Oct # http://www.almanak.hi.is/klukkan.html # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Iceland 1917 1919 - Feb 19 23:00 1:00 S +Rule Iceland 1917 1919 - Feb 19 23:00 1:00 - Rule Iceland 1917 only - Oct 21 1:00 0 - Rule Iceland 1918 1919 - Nov 16 1:00 0 - -Rule Iceland 1921 only - Mar 19 23:00 1:00 S +Rule Iceland 1921 only - Mar 19 23:00 1:00 - Rule Iceland 1921 only - Jun 23 1:00 0 - -Rule Iceland 1939 only - Apr 29 23:00 1:00 S +Rule Iceland 1939 only - Apr 29 23:00 1:00 - Rule Iceland 1939 only - Oct 29 2:00 0 - -Rule Iceland 1940 only - Feb 25 2:00 1:00 S +Rule Iceland 1940 only - Feb 25 2:00 1:00 - Rule Iceland 1940 1941 - Nov Sun>=2 1:00s 0 - -Rule Iceland 1941 1942 - Mar Sun>=2 1:00s 1:00 S +Rule Iceland 1941 1942 - Mar Sun>=2 1:00s 1:00 - # 1943-1946 - first Sunday in March until first Sunday in winter -Rule Iceland 1943 1946 - Mar Sun>=1 1:00s 1:00 S +Rule Iceland 1943 1946 - Mar Sun>=1 1:00s 1:00 - Rule Iceland 1942 1948 - Oct Sun>=22 1:00s 0 - # 1947-1967 - first Sunday in April until first Sunday in winter -Rule Iceland 1947 1967 - Apr Sun>=1 1:00s 1:00 S +Rule Iceland 1947 1967 - Apr Sun>=1 1:00s 1:00 - # 1949 and 1967 Oct transitions delayed by 1 week Rule Iceland 1949 only - Oct 30 1:00s 0 - Rule Iceland 1950 1966 - Oct Sun>=22 1:00s 0 - diff --git a/southamerica b/southamerica index bcfde4b..e1c6590 100644 --- a/southamerica +++ b/southamerica @@ -47,28 +47,28 @@ # AR was chosen because they are the ISO letters that represent Argentina. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Arg 1930 only - Dec 1 0:00 1:00 S +Rule Arg 1930 only - Dec 1 0:00 1:00 - Rule Arg 1931 only - Apr 1 0:00 0 - -Rule Arg 1931 only - Oct 15 0:00 1:00 S +Rule Arg 1931 only - Oct 15 0:00 1:00 - Rule Arg 1932 1940 - Mar 1 0:00 0 - -Rule Arg 1932 1939 - Nov 1 0:00 1:00 S -Rule Arg 1940 only - Jul 1 0:00 1:00 S +Rule Arg 1932 1939 - Nov 1 0:00 1:00 - +Rule Arg 1940 only - Jul 1 0:00 1:00 - Rule Arg 1941 only - Jun 15 0:00 0 - -Rule Arg 1941 only - Oct 15 0:00 1:00 S +Rule Arg 1941 only - Oct 15 0:00 1:00 - Rule Arg 1943 only - Aug 1 0:00 0 - -Rule Arg 1943 only - Oct 15 0:00 1:00 S +Rule Arg 1943 only - Oct 15 0:00 1:00 - Rule Arg 1946 only - Mar 1 0:00 0 - -Rule Arg 1946 only - Oct 1 0:00 1:00 S +Rule Arg 1946 only - Oct 1 0:00 1:00 - Rule Arg 1963 only - Oct 1 0:00 0 - -Rule Arg 1963 only - Dec 15 0:00 1:00 S +Rule Arg 1963 only - Dec 15 0:00 1:00 - Rule Arg 1964 1966 - Mar 1 0:00 0 - -Rule Arg 1964 1966 - Oct 15 0:00 1:00 S +Rule Arg 1964 1966 - Oct 15 0:00 1:00 - Rule Arg 1967 only - Apr 2 0:00 0 - -Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 S +Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 - Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 - -Rule Arg 1974 only - Jan 23 0:00 1:00 S +Rule Arg 1974 only - Jan 23 0:00 1:00 - Rule Arg 1974 only - May 1 0:00 0 - -Rule Arg 1988 only - Dec 1 0:00 1:00 S +Rule Arg 1988 only - Dec 1 0:00 1:00 - # # From Hernan G. Otero (1995-06-26): # These corrections were contributed by InterSoft Argentina S.A., @@ -76,7 +76,7 @@ Rule Arg 1988 only - Dec 1 0:00 1:00 S # Talleres de Hidrografía Naval Argentina # (Argentine Naval Hydrography Institute) Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 - -Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S +Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 - # # From Hernan G. Otero (1995-06-26): # From this moment on, the law that mandated the daylight saving @@ -87,7 +87,7 @@ Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S # On October 3, 1999, 0:00 local, Argentina implemented daylight savings time, # which did not result in the switch of a time zone, as they stayed 9 hours # from the International Date Line. -Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 S +Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 - # From Paul Eggert (2007-12-28): # DST was set to expire on March 5, not March 3, but since it was converted # to standard time on March 3 it's more convenient for us to pretend that @@ -190,9 +190,9 @@ Rule Arg 2000 only - Mar 3 0:00 0 - # la modificación del huso horario, ya que 2009 nos encuentra con # crecimiento en la producción y distribución energética." -Rule Arg 2007 only - Dec 30 0:00 1:00 S +Rule Arg 2007 only - Dec 30 0:00 1:00 - Rule Arg 2008 2009 - Mar Sun>=15 0:00 0 - -Rule Arg 2008 only - Oct Sun>=15 0:00 1:00 S +Rule Arg 2008 only - Oct Sun>=15 0:00 1:00 - # From Mariano Absatz (2004-05-21): # Today it was officially published that the Province of Mendoza is changing @@ -529,7 +529,7 @@ Zone America/Argentina/Mendoza -4:35:16 - LMT 1894 Oct 31 # San Luis (SL) Rule SanLuis 2008 2009 - Mar Sun>=8 0:00 0 - -Rule SanLuis 2007 2008 - Oct Sun>=8 0:00 1:00 S +Rule SanLuis 2007 2008 - Oct Sun>=8 0:00 1:00 - Zone America/Argentina/San_Luis -4:25:24 - LMT 1894 Oct 31 -4:16:48 - CMT 1920 May @@ -771,14 +771,14 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # Decree 20,466 <http://pcdsh01.on.br/HV20466.htm> (1931-10-01) # Decree 21,896 <http://pcdsh01.on.br/HV21896.htm> (1932-01-10) -Rule Brazil 1931 only - Oct 3 11:00 1:00 S +Rule Brazil 1931 only - Oct 3 11:00 1:00 - Rule Brazil 1932 1933 - Apr 1 0:00 0 - -Rule Brazil 1932 only - Oct 3 0:00 1:00 S +Rule Brazil 1932 only - Oct 3 0:00 1:00 - # Decree 23,195 <http://pcdsh01.on.br/HV23195.htm> (1933-10-10) # revoked DST. # Decree 27,496 <http://pcdsh01.on.br/HV27496.htm> (1949-11-24) # Decree 27,998 <http://pcdsh01.on.br/HV27998.htm> (1950-04-13) -Rule Brazil 1949 1952 - Dec 1 0:00 1:00 S +Rule Brazil 1949 1952 - Dec 1 0:00 1:00 - Rule Brazil 1950 only - Apr 16 1:00 0 - Rule Brazil 1951 1952 - Apr 1 0:00 0 - # Decree 32,308 <http://pcdsh01.on.br/HV32308.htm> (1953-02-24) @@ -790,51 +790,51 @@ Rule Brazil 1953 only - Mar 1 0:00 0 - # in SP, RJ, GB, MG, ES, due to the prolongation of the drought. # Decree 53,071 <http://pcdsh01.on.br/HV53071.htm> (1963-12-03) # extended the above decree to all of the national territory on 12-09. -Rule Brazil 1963 only - Dec 9 0:00 1:00 S +Rule Brazil 1963 only - Dec 9 0:00 1:00 - # Decree 53,604 <http://pcdsh01.on.br/HV53604.htm> (1964-02-25) # extended summer time by one day to 1964-03-01 00:00 (start of school). Rule Brazil 1964 only - Mar 1 0:00 0 - # Decree 55,639 <http://pcdsh01.on.br/HV55639.htm> (1965-01-27) -Rule Brazil 1965 only - Jan 31 0:00 1:00 S +Rule Brazil 1965 only - Jan 31 0:00 1:00 - Rule Brazil 1965 only - Mar 31 0:00 0 - # Decree 57,303 <http://pcdsh01.on.br/HV57303.htm> (1965-11-22) -Rule Brazil 1965 only - Dec 1 0:00 1:00 S +Rule Brazil 1965 only - Dec 1 0:00 1:00 - # Decree 57,843 <http://pcdsh01.on.br/HV57843.htm> (1966-02-18) Rule Brazil 1966 1968 - Mar 1 0:00 0 - -Rule Brazil 1966 1967 - Nov 1 0:00 1:00 S +Rule Brazil 1966 1967 - Nov 1 0:00 1:00 - # Decree 63,429 <http://pcdsh01.on.br/HV63429.htm> (1968-10-15) # revoked DST. # Decree 91,698 <http://pcdsh01.on.br/HV91698.htm> (1985-09-27) -Rule Brazil 1985 only - Nov 2 0:00 1:00 S +Rule Brazil 1985 only - Nov 2 0:00 1:00 - # Decree 92,310 (1986-01-21) # Decree 92,463 (1986-03-13) Rule Brazil 1986 only - Mar 15 0:00 0 - # Decree 93,316 (1986-10-01) -Rule Brazil 1986 only - Oct 25 0:00 1:00 S +Rule Brazil 1986 only - Oct 25 0:00 1:00 - Rule Brazil 1987 only - Feb 14 0:00 0 - # Decree 94,922 <http://pcdsh01.on.br/HV94922.htm> (1987-09-22) -Rule Brazil 1987 only - Oct 25 0:00 1:00 S +Rule Brazil 1987 only - Oct 25 0:00 1:00 - Rule Brazil 1988 only - Feb 7 0:00 0 - # Decree 96,676 <http://pcdsh01.on.br/HV96676.htm> (1988-09-12) # except for the states of AC, AM, PA, RR, RO, and AP (then a territory) -Rule Brazil 1988 only - Oct 16 0:00 1:00 S +Rule Brazil 1988 only - Oct 16 0:00 1:00 - Rule Brazil 1989 only - Jan 29 0:00 0 - # Decree 98,077 <http://pcdsh01.on.br/HV98077.htm> (1989-08-21) # with the same exceptions -Rule Brazil 1989 only - Oct 15 0:00 1:00 S +Rule Brazil 1989 only - Oct 15 0:00 1:00 - Rule Brazil 1990 only - Feb 11 0:00 0 - # Decree 99,530 <http://pcdsh01.on.br/HV99530.htm> (1990-09-17) # adopted by RS, SC, PR, SP, RJ, ES, MG, GO, MS, DF. # Decree 99,629 (1990-10-19) adds BA, MT. -Rule Brazil 1990 only - Oct 21 0:00 1:00 S +Rule Brazil 1990 only - Oct 21 0:00 1:00 - Rule Brazil 1991 only - Feb 17 0:00 0 - # Unnumbered decree <http://pcdsh01.on.br/HV1991.htm> (1991-09-25) # adopted by RS, SC, PR, SP, RJ, ES, MG, BA, GO, MT, MS, DF. -Rule Brazil 1991 only - Oct 20 0:00 1:00 S +Rule Brazil 1991 only - Oct 20 0:00 1:00 - Rule Brazil 1992 only - Feb 9 0:00 0 - # Unnumbered decree <http://pcdsh01.on.br/HV1992.htm> (1992-10-16) # adopted by same states. -Rule Brazil 1992 only - Oct 25 0:00 1:00 S +Rule Brazil 1992 only - Oct 25 0:00 1:00 - Rule Brazil 1993 only - Jan 31 0:00 0 - # Decree 942 <http://pcdsh01.on.br/HV942.htm> (1993-09-28) # adopted by same states, plus AM. @@ -844,12 +844,12 @@ Rule Brazil 1993 only - Jan 31 0:00 0 - # adopted by same states, plus MT and TO. # Decree 1,674 <http://pcdsh01.on.br/HV1674.htm> (1995-10-13) # adds AL, SE. -Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 S +Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 - Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 - Rule Brazil 1996 only - Feb 11 0:00 0 - # Decree 2,000 <http://pcdsh01.on.br/HV2000.htm> (1996-09-04) # adopted by same states, minus AL, SE. -Rule Brazil 1996 only - Oct 6 0:00 1:00 S +Rule Brazil 1996 only - Oct 6 0:00 1:00 - Rule Brazil 1997 only - Feb 16 0:00 0 - # From Daniel C. Sobral (1998-02-12): # In 1997, the DS began on October 6. The stated reason was that @@ -859,19 +859,19 @@ Rule Brazil 1997 only - Feb 16 0:00 0 - # to help dealing with the shortages of electric power. # # Decree 2,317 (1997-09-04), adopted by same states. -Rule Brazil 1997 only - Oct 6 0:00 1:00 S +Rule Brazil 1997 only - Oct 6 0:00 1:00 - # Decree 2,495 <http://pcdsh01.on.br/figuras/HV2495.JPG> # (1998-02-10) Rule Brazil 1998 only - Mar 1 0:00 0 - # Decree 2,780 <http://pcdsh01.on.br/figuras/Hv98.jpg> (1998-09-11) # adopted by the same states as before. -Rule Brazil 1998 only - Oct 11 0:00 1:00 S +Rule Brazil 1998 only - Oct 11 0:00 1:00 - Rule Brazil 1999 only - Feb 21 0:00 0 - # Decree 3,150 <http://pcdsh01.on.br/figuras/HV3150.gif> # (1999-08-23) adopted by same states. # Decree 3,188 <http://pcdsh01.on.br/DecHV99.gif> (1999-09-30) # adds SE, AL, PB, PE, RN, CE, PI, MA and RR. -Rule Brazil 1999 only - Oct 3 0:00 1:00 S +Rule Brazil 1999 only - Oct 3 0:00 1:00 - Rule Brazil 2000 only - Feb 27 0:00 0 - # Decree 3,592 <http://pcdsh01.on.br/DEC3592.htm> (2000-09-06) # adopted by the same states as before. @@ -881,34 +881,34 @@ Rule Brazil 2000 only - Feb 27 0:00 0 - # repeals DST in SE, AL, PB, RN, CE, PI and MA, effective 2000-10-22 00:00. # Decree 3,916 <http://pcdsh01.on.br/figuras/HV3916.gif> # (2001-09-13) reestablishes DST in AL, CE, MA, PB, PE, PI, RN, SE. -Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 S +Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 - Rule Brazil 2001 2006 - Feb Sun>=15 0:00 0 - # Decree 4,399 (2002-10-01) repeals DST in AL, CE, MA, PB, PE, PI, RN, SE. # 4,399 <http://www.presidencia.gov.br/CCIVIL/decreto/2002/D4399.htm> -Rule Brazil 2002 only - Nov 3 0:00 1:00 S +Rule Brazil 2002 only - Nov 3 0:00 1:00 - # Decree 4,844 (2003-09-24; corrected 2003-09-26) repeals DST in BA, MT, TO. # 4,844 <http://www.presidencia.gov.br/CCIVIL/decreto/2003/D4844.htm> -Rule Brazil 2003 only - Oct 19 0:00 1:00 S +Rule Brazil 2003 only - Oct 19 0:00 1:00 - # Decree 5,223 (2004-10-01) reestablishes DST in MT. # 5,223 <http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2004/Decreto/D5223.htm> -Rule Brazil 2004 only - Nov 2 0:00 1:00 S +Rule Brazil 2004 only - Nov 2 0:00 1:00 - # Decree 5,539 <http://pcdsh01.on.br/DecHV5539.gif> (2005-09-19), # adopted by the same states as before. -Rule Brazil 2005 only - Oct 16 0:00 1:00 S +Rule Brazil 2005 only - Oct 16 0:00 1:00 - # Decree 5,920 <http://pcdsh01.on.br/DecHV5920.gif> (2006-10-03), # adopted by the same states as before. -Rule Brazil 2006 only - Nov 5 0:00 1:00 S +Rule Brazil 2006 only - Nov 5 0:00 1:00 - Rule Brazil 2007 only - Feb 25 0:00 0 - # Decree 6,212 <http://pcdsh01.on.br/DecHV6212.gif> (2007-09-26), # adopted by the same states as before. -Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 S +Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 - # From Frederico A. C. Neves (2008-09-10): # According to this decree # http://www.planalto.gov.br/ccivil_03/_Ato2007-2010/2008/Decreto/D6558.htm # [t]he DST period in Brazil now on will be from the 3rd Oct Sunday to the # 3rd Feb Sunday. There is an exception on the return date when this is # the Carnival Sunday then the return date will be the next Sunday... -Rule Brazil 2008 2017 - Oct Sun>=15 0:00 1:00 S +Rule Brazil 2008 2017 - Oct Sun>=15 0:00 1:00 - Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 - # Decree 7,584 <http://pcdsh01.on.br/HVdecreto7584_20111013.jpg> (2011-10-13) # added Bahia. @@ -926,7 +926,7 @@ Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 - # ... https://www.timeanddate.com/news/time/brazil-delays-dst-2018.html # From Steffen Thorsen (2017-12-20): # http://www.planalto.gov.br/ccivil_03/_ato2015-2018/2017/decreto/D9242.htm -Rule Brazil 2018 max - Nov Sun>=1 0:00 1:00 S +Rule Brazil 2018 max - Nov Sun>=1 0:00 1:00 - Rule Brazil 2023 only - Feb Sun>=22 0:00 0 - Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 - Rule Brazil 2026 only - Feb Sun>=22 0:00 0 - @@ -1233,28 +1233,28 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914 # For now, assume that they will not revert. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Chile 1927 1931 - Sep 1 0:00 1:00 S +Rule Chile 1927 1931 - Sep 1 0:00 1:00 - Rule Chile 1928 1932 - Apr 1 0:00 0 - -Rule Chile 1968 only - Nov 3 4:00u 1:00 S +Rule Chile 1968 only - Nov 3 4:00u 1:00 - Rule Chile 1969 only - Mar 30 3:00u 0 - -Rule Chile 1969 only - Nov 23 4:00u 1:00 S +Rule Chile 1969 only - Nov 23 4:00u 1:00 - Rule Chile 1970 only - Mar 29 3:00u 0 - Rule Chile 1971 only - Mar 14 3:00u 0 - -Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 - Rule Chile 1972 1986 - Mar Sun>=9 3:00u 0 - -Rule Chile 1973 only - Sep 30 4:00u 1:00 S -Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1973 only - Sep 30 4:00u 1:00 - +Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 - Rule Chile 1987 only - Apr 12 3:00u 0 - Rule Chile 1988 1990 - Mar Sun>=9 3:00u 0 - -Rule Chile 1988 1989 - Oct Sun>=9 4:00u 1:00 S -Rule Chile 1990 only - Sep 16 4:00u 1:00 S +Rule Chile 1988 1989 - Oct Sun>=9 4:00u 1:00 - +Rule Chile 1990 only - Sep 16 4:00u 1:00 - Rule Chile 1991 1996 - Mar Sun>=9 3:00u 0 - -Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 - Rule Chile 1997 only - Mar 30 3:00u 0 - Rule Chile 1998 only - Mar Sun>=9 3:00u 0 - -Rule Chile 1998 only - Sep 27 4:00u 1:00 S +Rule Chile 1998 only - Sep 27 4:00u 1:00 - Rule Chile 1999 only - Apr 4 3:00u 0 - -Rule Chile 1999 2010 - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1999 2010 - Oct Sun>=9 4:00u 1:00 - Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 - # N.B.: the end of March 29 in Chile is March 30 in Universal time, # which is used below in specifying the transition. @@ -1262,11 +1262,11 @@ Rule Chile 2008 only - Mar 30 3:00u 0 - Rule Chile 2009 only - Mar Sun>=9 3:00u 0 - Rule Chile 2010 only - Apr Sun>=1 3:00u 0 - Rule Chile 2011 only - May Sun>=2 3:00u 0 - -Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S +Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 - Rule Chile 2012 2014 - Apr Sun>=23 3:00u 0 - -Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 S +Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 - Rule Chile 2016 max - May Sun>=9 3:00u 0 - -Rule Chile 2016 max - Aug Sun>=9 4:00u 1:00 S +Rule Chile 2016 max - Aug Sun>=9 4:00u 1:00 - # IATA SSIM anomalies: (1992-02) says 1992-03-14; # (1996-09) says 1998-03-08. Ignore these. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1331,7 +1331,7 @@ Zone Antarctica/Palmer 0 - -00 1965 # "A variation of fifteen minutes in the public clocks of Bogota is not rare." # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule CO 1992 only - May 3 0:00 1:00 S +Rule CO 1992 only - May 3 0:00 1:00 - Rule CO 1993 only - Apr 4 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Bogota -4:56:16 - LMT 1884 Mar 13 @@ -1391,7 +1391,7 @@ Link America/Curacao America/Kralendijk # Caribbean Netherlands # repeated. For now, assume transitions were at 00:00 local time country-wide. # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Ecuador 1992 only - Nov 28 0:00 1:00 S +Rule Ecuador 1992 only - Nov 28 0:00 1:00 - Rule Ecuador 1993 only - Feb 5 0:00 0 - # # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1485,18 +1485,18 @@ Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno # until advised differently (to apply for 2012 and beyond, after the 2011 # experiment was apparently successful.) # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 S +Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 - Rule Falk 1938 1942 - Mar Sun>=19 0:00 0 - -Rule Falk 1939 only - Oct 1 0:00 1:00 S -Rule Falk 1940 1942 - Sep lastSun 0:00 1:00 S +Rule Falk 1939 only - Oct 1 0:00 1:00 - +Rule Falk 1940 1942 - Sep lastSun 0:00 1:00 - Rule Falk 1943 only - Jan 1 0:00 0 - -Rule Falk 1983 only - Sep lastSun 0:00 1:00 S +Rule Falk 1983 only - Sep lastSun 0:00 1:00 - Rule Falk 1984 1985 - Apr lastSun 0:00 0 - -Rule Falk 1984 only - Sep 16 0:00 1:00 S -Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 S +Rule Falk 1984 only - Sep 16 0:00 1:00 - +Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 - Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 - Rule Falk 2001 2010 - Apr Sun>=15 2:00 0 - -Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 S +Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Atlantic/Stanley -3:51:24 - LMT 1890 -3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time @@ -1531,16 +1531,16 @@ Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown # adjust their clocks at 0 hour of the given dates. # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Para 1975 1988 - Oct 1 0:00 1:00 S +Rule Para 1975 1988 - Oct 1 0:00 1:00 - Rule Para 1975 1978 - Mar 1 0:00 0 - Rule Para 1979 1991 - Apr 1 0:00 0 - -Rule Para 1989 only - Oct 22 0:00 1:00 S -Rule Para 1990 only - Oct 1 0:00 1:00 S -Rule Para 1991 only - Oct 6 0:00 1:00 S +Rule Para 1989 only - Oct 22 0:00 1:00 - +Rule Para 1990 only - Oct 1 0:00 1:00 - +Rule Para 1991 only - Oct 6 0:00 1:00 - Rule Para 1992 only - Mar 1 0:00 0 - -Rule Para 1992 only - Oct 5 0:00 1:00 S +Rule Para 1992 only - Oct 5 0:00 1:00 - Rule Para 1993 only - Mar 31 0:00 0 - -Rule Para 1993 1995 - Oct 1 0:00 1:00 S +Rule Para 1993 1995 - Oct 1 0:00 1:00 - Rule Para 1994 1995 - Feb lastSun 0:00 0 - Rule Para 1996 only - Mar 1 0:00 0 - # IATA SSIM (2000-02) says 1999-10-10; ignore this for now. @@ -1558,7 +1558,7 @@ Rule Para 1996 only - Mar 1 0:00 0 - # year, the time will change on the first Sunday of October; likewise, the # clock will be set back on the first Sunday of March. # -Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 S +Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 - # IATA SSIM (1997-09) says Mar 1; go with Shanks & Pottenger. Rule Para 1997 only - Feb lastSun 0:00 0 - # Shanks & Pottenger say 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but @@ -1569,7 +1569,7 @@ Rule Para 1998 2001 - Mar Sun>=1 0:00 0 - # dst method to be from the first Sunday in September to the first Sunday in # April. Rule Para 2002 2004 - Apr Sun>=1 0:00 0 - -Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S +Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 - # # From Jesper Nørgaard Welen (2005-01-02): # There are several sources that claim that Paraguay made @@ -1578,7 +1578,7 @@ Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S # Decree 1,867 (2004-03-05) # From Carlos Raúl Perasso via Jesper Nørgaard Welen (2006-10-13) # http://www.presidencia.gov.py/decretos/D1867.pdf -Rule Para 2004 2009 - Oct Sun>=15 0:00 1:00 S +Rule Para 2004 2009 - Oct Sun>=15 0:00 1:00 - Rule Para 2005 2009 - Mar Sun>=8 0:00 0 - # From Carlos Raúl Perasso (2010-02-18): # By decree number 3958 issued yesterday @@ -1591,7 +1591,7 @@ Rule Para 2005 2009 - Mar Sun>=8 0:00 0 - # and that on the first Sunday of the month of October, it is to be set # forward 60 minutes, in all the territory of the Paraguayan Republic. # ... -Rule Para 2010 max - Oct Sun>=1 0:00 1:00 S +Rule Para 2010 max - Oct Sun>=1 0:00 1:00 - Rule Para 2010 2012 - Apr Sun>=8 0:00 0 - # # From Steffen Thorsen (2013-03-07): @@ -1624,16 +1624,16 @@ Zone America/Asuncion -3:50:40 - LMT 1890 # Shanks & Pottenger don't have this transition. Assume 1986 was like 1987. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Peru 1938 only - Jan 1 0:00 1:00 S +Rule Peru 1938 only - Jan 1 0:00 1:00 - Rule Peru 1938 only - Apr 1 0:00 0 - -Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 S +Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 - Rule Peru 1939 1940 - Mar Sun>=24 0:00 0 - -Rule Peru 1986 1987 - Jan 1 0:00 1:00 S +Rule Peru 1986 1987 - Jan 1 0:00 1:00 - Rule Peru 1986 1987 - Apr 1 0:00 0 - -Rule Peru 1990 only - Jan 1 0:00 1:00 S +Rule Peru 1990 only - Jan 1 0:00 1:00 - Rule Peru 1990 only - Apr 1 0:00 0 - # IATA is ambiguous for 1993/1995; go with Shanks & Pottenger. -Rule Peru 1994 only - Jan 1 0:00 1:00 S +Rule Peru 1994 only - Jan 1 0:00 1:00 - Rule Peru 1994 only - Apr 1 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Lima -5:08:12 - LMT 1890 @@ -1682,55 +1682,55 @@ Link America/Port_of_Spain America/Tortola # Virgin Islands (UK) # From Shanks & Pottenger: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # Whitman gives 1923 Oct 1; go with Shanks & Pottenger. -Rule Uruguay 1923 only - Oct 2 0:00 0:30 HS +Rule Uruguay 1923 only - Oct 2 0:00 0:30 - Rule Uruguay 1924 1926 - Apr 1 0:00 0 - -Rule Uruguay 1924 1925 - Oct 1 0:00 0:30 HS -Rule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 HS +Rule Uruguay 1924 1925 - Oct 1 0:00 0:30 - +Rule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 - # Shanks & Pottenger give 1935 Apr 1 0:00 & 1936 Mar 30 0:00; go with Whitman. Rule Uruguay 1934 1936 - Mar Sat>=25 23:30s 0 - -Rule Uruguay 1936 only - Nov 1 0:00 0:30 HS +Rule Uruguay 1936 only - Nov 1 0:00 0:30 - Rule Uruguay 1937 1941 - Mar lastSun 0:00 0 - # Whitman gives 1937 Oct 3; go with Shanks & Pottenger. -Rule Uruguay 1937 1940 - Oct lastSun 0:00 0:30 HS +Rule Uruguay 1937 1940 - Oct lastSun 0:00 0:30 - # Whitman gives 1941 Oct 24 - 1942 Mar 27, 1942 Dec 14 - 1943 Apr 13, # and 1943 Apr 13 "to present time"; go with Shanks & Pottenger. -Rule Uruguay 1941 only - Aug 1 0:00 0:30 HS +Rule Uruguay 1941 only - Aug 1 0:00 0:30 - Rule Uruguay 1942 only - Jan 1 0:00 0 - -Rule Uruguay 1942 only - Dec 14 0:00 1:00 S +Rule Uruguay 1942 only - Dec 14 0:00 1:00 - Rule Uruguay 1943 only - Mar 14 0:00 0 - -Rule Uruguay 1959 only - May 24 0:00 1:00 S +Rule Uruguay 1959 only - May 24 0:00 1:00 - Rule Uruguay 1959 only - Nov 15 0:00 0 - -Rule Uruguay 1960 only - Jan 17 0:00 1:00 S +Rule Uruguay 1960 only - Jan 17 0:00 1:00 - Rule Uruguay 1960 only - Mar 6 0:00 0 - -Rule Uruguay 1965 1967 - Apr Sun>=1 0:00 1:00 S +Rule Uruguay 1965 1967 - Apr Sun>=1 0:00 1:00 - Rule Uruguay 1965 only - Sep 26 0:00 0 - Rule Uruguay 1966 1967 - Oct 31 0:00 0 - -Rule Uruguay 1968 1970 - May 27 0:00 0:30 HS +Rule Uruguay 1968 1970 - May 27 0:00 0:30 - Rule Uruguay 1968 1970 - Dec 2 0:00 0 - -Rule Uruguay 1972 only - Apr 24 0:00 1:00 S +Rule Uruguay 1972 only - Apr 24 0:00 1:00 - Rule Uruguay 1972 only - Aug 15 0:00 0 - -Rule Uruguay 1974 only - Mar 10 0:00 0:30 HS -Rule Uruguay 1974 only - Dec 22 0:00 1:00 S +Rule Uruguay 1974 only - Mar 10 0:00 0:30 - +Rule Uruguay 1974 only - Dec 22 0:00 1:00 - Rule Uruguay 1976 only - Oct 1 0:00 0 - -Rule Uruguay 1977 only - Dec 4 0:00 1:00 S +Rule Uruguay 1977 only - Dec 4 0:00 1:00 - Rule Uruguay 1978 only - Apr 1 0:00 0 - -Rule Uruguay 1979 only - Oct 1 0:00 1:00 S +Rule Uruguay 1979 only - Oct 1 0:00 1:00 - Rule Uruguay 1980 only - May 1 0:00 0 - -Rule Uruguay 1987 only - Dec 14 0:00 1:00 S +Rule Uruguay 1987 only - Dec 14 0:00 1:00 - Rule Uruguay 1988 only - Mar 14 0:00 0 - -Rule Uruguay 1988 only - Dec 11 0:00 1:00 S +Rule Uruguay 1988 only - Dec 11 0:00 1:00 - Rule Uruguay 1989 only - Mar 12 0:00 0 - -Rule Uruguay 1989 only - Oct 29 0:00 1:00 S +Rule Uruguay 1989 only - Oct 29 0:00 1:00 - # Shanks & Pottenger say no DST was observed in 1990/1 and 1991/2, # and that 1992/3's DST was from 10-25 to 03-01. Go with IATA. Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 - -Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S -Rule Uruguay 1992 only - Oct 18 0:00 1:00 S +Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 - +Rule Uruguay 1992 only - Oct 18 0:00 1:00 - Rule Uruguay 1993 only - Feb 28 0:00 0 - # From Eduardo Cota (2004-09-20): # The Uruguayan government has decreed a change in the local time.... # http://www.presidencia.gub.uy/decretos/2004091502.htm -Rule Uruguay 2004 only - Sep 19 0:00 1:00 S +Rule Uruguay 2004 only - Sep 19 0:00 1:00 - # From Steffen Thorsen (2005-03-11): # Uruguay's DST was scheduled to end on Sunday, 2005-03-13, but in order to # save energy ... it was postponed two weeks.... @@ -1740,7 +1740,7 @@ Rule Uruguay 2005 only - Mar 27 2:00 0 - # http://www.presidencia.gub.uy/_Web/decretos/2005/09/CM%20119_09%2009%202005_... # This means that from 2005-10-09 at 02:00 local time, until 2006-03-12 at # 02:00 local time, official time in Uruguay will be at GMT -2. -Rule Uruguay 2005 only - Oct 9 2:00 1:00 S +Rule Uruguay 2005 only - Oct 9 2:00 1:00 - Rule Uruguay 2006 only - Mar 12 2:00 0 - # From Jesper Nørgaard Welen (2006-09-06): # http://www.presidencia.gub.uy/_web/decretos/2006/09/CM%20210_08%2006%202006_... @@ -1755,7 +1755,7 @@ Rule Uruguay 2006 only - Mar 12 2:00 0 - # From Pablo Camargo (2015-07-13): # http://archivo.presidencia.gub.uy/sci/decretos/2015/06/cons_min_201.pdf # [dated 2015-06-29; repeals Decree 311/006 dated 2006-09-04] -Rule Uruguay 2006 2014 - Oct Sun>=1 2:00 1:00 S +Rule Uruguay 2006 2014 - Oct Sun>=1 2:00 1:00 - Rule Uruguay 2007 2015 - Mar Sun>=8 2:00 0 - # This Zone can be simplified once we assume zic %z. -- 2.14.3