draft CalDAV extension. Update URLs for TSP, TZInfo, IATA. Remove stale pointers to World Time Explorer and WORLDTIME. --- NEWS | 6 ++++++ tz-link.htm | 33 +++++++++++++++++---------------- 2 files changed, 23 insertions(+), 16 deletions(-) diff --git a/NEWS b/NEWS index 265f6b3..af68da4 100644 --- a/NEWS +++ b/NEWS @@ -15,6 +15,12 @@ Unreleased, experimental changes "VLASST" has been repaired to be "VLAST" for Vladivostok summer time in 1991. (Thanks to Hank W. for reporting the problems.) + Changes affecting commentary + + tz-link.htm now cites RFC 7265 for jCal, mentions PTP and the + draft CalDAV extension, updates URLs for TSP, TZInfo, IATA, and + removes stale pointers to World Time Explorer and WORLDTIME. + Release 2014d - 2014-05-27 21:34:40 -0700 diff --git a/tz-link.htm b/tz-link.htm index 04919a9..15ccb37 100644 --- a/tz-link.htm +++ b/tz-link.htm @@ -8,7 +8,7 @@ <meta http-equiv="Content-type" content='text/html; charset="US-ASCII"'> <meta name="DC.Creator" content="Eggert, Paul"> <meta name="DC.Contributor" content="Olson, Arthur David"> -<meta name="DC.Date" content="2014-05-27"> +<meta name="DC.Date" content="2014-06-04"> <meta name="DC.Description" content="Sources of information about time zones and daylight saving time"> <meta name="DC.Identifier" @@ -196,10 +196,11 @@ covers time zone data; see its VTIMEZONE calendar component. The iCalendar format requires specialized parsers and generators; a variant <a href="http://tools.ietf.org/html/rfc6321">xCal</a> -(Internet RFC 6321) uses +(Internet <abbr>RFC</abbr> 6321) uses <a href="http://www.w3.org/XML/"><abbr -title="Extensible Markup Language">XML</abbr></a> format, and a draft variant -<a href="http://datatracker.ietf.org/doc/draft-ietf-jcardcal-jcal/">jCal</a> +title="Extensible Markup Language">XML</abbr></a> format, and a variant +<a href="http://tools.ietf.org/html/rfc7265">jCal</a> +(Internet <abbr>RFC</abbr> 7265) uses <a href="http://www.json.org/"><abbr title="JavaScript Object Notation">JSON</abbr></a> format. <a href="http://calconnect.org/">CalConnect, The Calendaring and Scheduling @@ -209,8 +210,12 @@ TIMEZONE Problems and Recommendations</a> offers guidelines and recommendations for the use of VTIMEZONE and <code><abbr>tz</abbr></code>.</li> <li>CalConnect's <a href="http://calconnect.org/tc-timezone.shtml">TIMEZONE Technical Committee</a> has developed -a <a href="http://tools.ietf.org/html/draft-douglass-timezone-service-08">draft -timezone service protocol</a>. The committee's earlier <a +a <a href="http://tools.ietf.org/html/draft-douglass-timezone-service-11">draft +timezone service protocol</a> along with a <a +href="http://tools.ietf.org/html/draft-daboo-caldav-timezone-ref-01">draft +extension</a> to the <a href="http://caldav.calconnect.org/">CalDAV +calendar access protocol</a> to allow time zone information to be exchanged +by reference. The committee's earlier <a href="http://calconnect.org/publications/timezoneregistryandservicerecommendationsv1.0.pdf">Timezone Registry and Service Recommendations</a> discusses a strategy for defining and deploying a time zone @@ -284,7 +289,7 @@ Dates. It is freely available under the Apache License.</li> Definitions for Python</a> compiles <code><abbr>tz</abbr></code> source into <a href="http://python.org/">Python</a>. It is freely available under a <abbr>BSD</abbr>-style license.</li> -<li><a href="http://tzinfo.rubyforge.org/">TZInfo – +<li><a href="http://tzinfo.github.io/">TZInfo – Ruby Timezone Library</a> compiles <code><abbr>tz</abbr></code> source into <a href="http://www.ruby-lang.org/en/">Ruby</a>. @@ -375,9 +380,6 @@ href="http://veladg.com/velaterra.html">VelaTerra</a> is a Mac <abbr>OS X</abbr> program. Its developers <a href="http://veladg.com/tzoffer.html">offer free licenses</a> to <code><abbr>tz</abbr></code> contributors.</li> -<li><a -href="http://worldtimeexplorer.com/">World Time Explorer</a> is a -Microsoft Windows program.</li> </ul> <h2>Other time zone databases</h2> <ul> @@ -391,10 +393,6 @@ for the U.S.</a>, and <a href="http://www.astrocom.com/astrology/books/international-atlas">one for other locations</a>) by <a href="http://astrocom.com/">Astro Computing Services</a>.</li> -<li><a href="http://worldtime.com/">WORLDTIME: interactive atlas, -time info, public holidays</a> -contains information on local time, sunrise and sunset, -and public holidays in several hundred cities around the world.</li> <li><a href="http://worldtimeserver.com/">World Time Server</a> is another time zone database.</li> <li><a href="http://tycho.usno.navy.mil/tzones.html">World Time Zones</a> @@ -404,7 +402,7 @@ for the <code><abbr>usno</abbr>*</code> files in the <code><abbr>tz</abbr></code> distribution.</li> <li>The <a href="http://www.iata.org/publications/Pages/ssim.aspx">Standard Schedules Information Manual</a> of the -<a href="http://iata.org/index.htm">International Air Transport +<a href="http://iata.org/">International Air Transport Association</a> gives current time zone rules for airports served by commercial aviation.</li> <li>Some Microsoft Windows versions contain time zone information in @@ -482,7 +480,7 @@ common.</li> </ul> <h2>Civil time concepts and history</h2> <ul> -<li><a href="http://physics.nist.gov/GenInt/Time/time.html">A +<li><a href="http://www.nist.gov/pml/general/time/index.cfm">A Walk through Time</a> surveys the evolution of timekeeping.</li> <li><a href="http://webexhibits.org/daylightsaving/">About Daylight @@ -584,6 +582,9 @@ title="Network Time Protocol">NTP</abbr>: The Network Time Protocol</a> discusses how to synchronize clocks of Internet hosts.</li> +<li>The <a href="http://www.nist.gov/el/isd/ieee/ieee1588.cfm">Precision +Time Protocol</a> (IEEE 1588) can achieve submicrosecond clock +accuracy on a local area network.</li> <li><a href="http://tools.ietf.org/html/rfc4833">Timezone Options for <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr></a> -- 1.9.1