diff options
Diffstat (limited to 'contrib/tzdata/northamerica')
-rw-r--r-- | contrib/tzdata/northamerica | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/contrib/tzdata/northamerica b/contrib/tzdata/northamerica index a014126..06db1a8 100644 --- a/contrib/tzdata/northamerica +++ b/contrib/tzdata/northamerica @@ -25,7 +25,7 @@ # in New York City (1869-10). His 1870 proposal was based on Washington, DC, # but in 1872-05 he moved the proposed origin to Greenwich. -# From Paul Eggert (2016-09-21): +# From Paul Eggert (2018-03-20): # Dowd's proposal left many details unresolved, such as where to draw # lines between time zones. The key individual who made time zones # work in the US was William Frederick Allen - railway engineer, @@ -36,10 +36,9 @@ # to the General Time Convention on 1883-04-11, saying that his plan # meant "local time would be practically abolished" - a plus for # railway scheduling. By the next convention on 1883-10-11 nearly all -# railroads had agreed and it took effect on 1883-11-18 at 12:00. -# That Sunday was called the "day of two noons", as the eastern parts -# of the new zones observed noon twice. Allen witnessed the -# transition in New York City, writing: +# railroads had agreed and it took effect on 1883-11-18. That Sunday +# was called the "day of two noons", as some locations observed noon +# twice. Allen witnessed the transition in New York City, writing: # # I heard the bells of St. Paul's strike on the old time. Four # minutes later, obedient to the electrical signal from the Naval @@ -424,8 +423,7 @@ Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21 # ...according to the Census Bureau, the largest city is Beulah (although # it's commonly referred to as Beulah-Hazen, with Hazen being the next # largest city in Mercer County). Google Maps places Beulah's city hall -# at 47 degrees 15' 51" N, 101 degrees 46' 40" W, which yields an offset -# of 6h47'07". +# at 47° 15' 51" N, 101° 46' 40" W, which yields an offset of 6h47'07". Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 12:12:53 -7:00 US M%sT 2010 Nov 7 2:00 @@ -458,7 +456,7 @@ Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00:04 # California, northern Idaho (Benewah, Bonner, Boundary, Clearwater, # Kootenai, Latah, Lewis, Nez Perce, and Shoshone counties, Idaho county # north of the Salmon River, and the towns of Burgdorf and Warren), -# Nevada (except West Wendover), Oregon (except the northern 3/4 of +# Nevada (except West Wendover), Oregon (except the northern ¾ of # Malheur county), and Washington # From Paul Eggert (2016-08-20): @@ -956,6 +954,13 @@ Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 -5:00 - EST 2006 -5:00 US E%sT +# From Paul Eggert (2018-03-20): +# The Louisville & Nashville Railroad's 1883-11-18 change occurred at +# 10:00 old local time; train were supposed to come to a standstill +# for precisely 18 minutes. See Bartky Fig. 1 (page 50). It is not +# clear how this matched civil time in Louisville, so for now continue +# to assume Louisville switched at noon new local time, like New York. +# # Part of Kentucky left its clocks alone in 1974. # This also includes Clark, Floyd, and Harrison counties in Indiana. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER @@ -3264,8 +3269,8 @@ Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr # http://www.jamaicaobserver.com/columns/The-politician-in-all-of-us_17573647 # # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/Jamaica -5:07:11 - LMT 1890 # Kingston - -5:07:11 - KMT 1912 Feb # Kingston Mean Time +Zone America/Jamaica -5:07:10 - LMT 1890 # Kingston + -5:07:10 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST 1974 -5:00 US E%sT 1984 -5:00 - EST @@ -3415,7 +3420,7 @@ Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre # # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Grand_Turk -4:44:32 - LMT 1890 - -5:07:11 - KMT 1912 Feb # Kingston Mean Time + -5:07:10 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST 1979 -5:00 US E%sT 2015 Nov Sun>=1 2:00 -4:00 - AST 2018 Mar 11 3:00 |