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-rw-r--r--contrib/tzdata/northamerica21
1 files changed, 17 insertions, 4 deletions
diff --git a/contrib/tzdata/northamerica b/contrib/tzdata/northamerica
index 06db1a8..9d5bad2 100644
--- a/contrib/tzdata/northamerica
+++ b/contrib/tzdata/northamerica
@@ -1,3 +1,5 @@
+# tzdb data for North and Central America and environs
+
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.
@@ -48,7 +50,7 @@
#
# Most of the US soon followed suit. See:
# Bartky IR. The adoption of standard time. Technol Cult 1989 Jan;30(1):25-56.
-# http://dx.doi.org/10.2307/3105430
+# https://dx.doi.org/10.2307/3105430
# From Paul Eggert (2005-04-16):
# That 1883 transition occurred at 12:00 new time, not at 12:00 old time.
@@ -437,6 +439,19 @@ Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 12:12:53
# western South Dakota, far western Texas (El Paso County, Hudspeth County,
# and Pine Springs and Nickel Creek in Culberson County), Utah, Wyoming
#
+# From Paul Eggert (2018-10-25):
+# On 1921-03-04 federal law placed all of Texas into the central time zone.
+# However, El Paso ignored the law for decades and continued to observe
+# mountain time, on the grounds that that's what they had always done
+# and they weren't about to let the federal government tell them what to do.
+# Eventually the federal government gave in and changed the law on
+# 1970-04-10 to match what El Paso was actually doing. Although
+# that's slightly after our 1970 cutoff, there is no need to create a
+# separate zone for El Paso since they were ignoring the law anyway. See:
+# Long T. El Pasoans were time rebels, fought to stay in Mountain zone.
+# El Paso Times. 2018-10-24 06:40 -06.
+# https://www.elpasotimes.com/story/news/local/el-paso/2018/10/24/el-pasoans-were-time-rebels-fought-stay-mountain-zone/1744509002/
+#
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
Rule Denver 1920 1921 - Mar lastSun 2:00 1:00 D
Rule Denver 1920 only - Oct lastSun 2:00 0 S
@@ -706,9 +721,7 @@ Zone America/Adak 12:13:22 - LMT 1867 Oct 19 12:44:35
Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00
-10:30 - HST 1933 Apr 30 2:00
-10:30 1:00 HDT 1933 May 21 12:00
- -10:30 - HST 1942 Feb 9 2:00
- -10:30 1:00 HDT 1945 Sep 30 2:00
- -10:30 - HST 1947 Jun 8 2:00
+ -10:30 US H%sT 1947 Jun 8 2:00
-10:00 - HST
# Now we turn to US areas that have diverged from the consensus since 1970.
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