>From 5bcfa5764d274caf0edd5df5f491ded5a3fd5114 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sun, 7 Jul 2019 00:55:40 -0700 Subject: [PROPOSED] Detroit observed DST in 1967/8 (Thanks to Alois Treindl for pointing out that the old data entries were probably wrong.) * NEWS: Mention this. * northamerica (America/Detroit): DST was observed in 1967 starting on June 14 at 00:01, and thereafter following US rules through 1968. --- NEWS | 7 +++++++ northamerica | 31 +++++++++++++++++-------------- 2 files changed, 24 insertions(+), 14 deletions(-) diff --git a/NEWS b/NEWS index 4057ec3..1f02560 100644 --- a/NEWS +++ b/NEWS @@ -2,6 +2,13 @@ News for the tz database Unreleased, experimental changes + Changes to past timestamps + + Detroit observed DST in 1967 and 1968 following the US DST rules, + except that its 1967 DST began on June 14 at 00:01. (Thanks to + Alois Treindl for pointing out that the old data entries were + probably wrong.) + Changes to commentary Nashville's newspapers dueled about the time of day in the 1950s. diff --git a/northamerica b/northamerica index 689947b..14f087f 100644 --- a/northamerica +++ b/northamerica @@ -421,7 +421,7 @@ Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58 # TIME magazine reported: # # "'The Nashville Banner and The Nashville Tennessean rarely agree on anything -# but the time of day ��� and last week they couldn't agree on that.' +# but the time of day - and last week they couldn't agree on that.' # # "It was all too true. The clock on the front of the building had two faces - # The Tennessean side of the building facing west, the other, east. When it @@ -1159,18 +1159,19 @@ Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:20:36 # one hour in 1914." This change is not in Shanks. We have no more # info, so omit this for now. # -# From Paul Eggert (2017-07-26): -# Although Shanks says Detroit observed DST in 1967 from 06-14 00:01 -# until 10-29 00:01, I now see multiple reports that this is incorrect. -# For example, according to a 50-year anniversary report about the 1967 -# Detroit riots and a major-league doubleheader on 1967-07-23, "By the time -# the last fly ball of the doubleheader settled into the glove of leftfielder -# Lenny Green, it was after 7 p.m. Detroit did not observe daylight saving -# time, so light was already starting to fail. Twilight was made even deeper -# by billowing columns of smoke that ascended in an unbroken wall north of the -# ballpark." See: Dow B. Detroit '67: As violence unfolded, Tigers played two -# at home vs. Yankees. Detroit Free Press 2017-07-23. -# https://www.freep.com/story/sports/mlb/tigers/2017/07/23/detroit-tigers-1967-riot-new-york-yankees/499951001/ +# From Paul Eggert (2019-07-06): +# Due to a complicated set of legal maneuvers, in 1967 Michigan did +# not start daylight saving time when the rest of the US did. +# Instead, it began DST on Jun 14 at 00:01. This was big news: +# the Detroit Free Press reported it at the top of Page 1 on +# 1967-06-14, in an article "State Adjusting to Switch to Fast Time" +# by Gary Blonston, above an article about Thurgood Marshall's +# confirmation to the US Supreme Court. Although Shanks says Detroit +# observed DST until 1967-10-29 00:01, that time of day seems to be +# incorrect, as the Free Press later said DST ended in Michigan at the +# same time as the rest of the US. Also, although Shanks reports no DST in +# Detroit in 1968, it did observe DST that year; in the November 1968 +# election Michigan voters narrowly repealed DST, effective 1969. # # Most of Michigan observed DST from 1973 on, but was a bit late in 1975. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER @@ -1181,7 +1182,9 @@ Zone America/Detroit -5:32:11 - LMT 1905 -6:00 - CST 1915 May 15 2:00 -5:00 - EST 1942 -5:00 US E%sT 1946 - -5:00 Detroit E%sT 1973 + -5:00 Detroit E%sT 1967 Jun 14 0:01 + -5:00 US E%sT 1969 + -5:00 - EST 1973 -5:00 US E%sT 1975 -5:00 - EST 1975 Apr 27 2:00 -5:00 US E%sT -- 2.17.1