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2017-03-06

2017-03-06 16:12:39 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to 2017a.

178:   Zone MST7MDT -7:00 US M%sT   Zone PST8PDT -8:00 US P%sT    - # From Bob Devine (1988-01-28): - # ...Alaska (and Hawaii) had the timezone names changed in 1967. - # old new - # Pacific Standard Time(PST) -same- - # Yukon Standard Time(YST) -same- - # Central Alaska S.T. (CAT) Alaska-Hawaii St[an]dard Time (AHST) - # Nome Standard Time (NT) Bering Standard Time (BST) - # - # ...Alaska's timezone lines were redrawn in 1983 to give only 2 tz. - # The YST zone now covers nearly all of the state, AHST just part - # of the Aleutian islands. No DST. -  - # From Paul Eggert (1995-12-19): - # The tables below use 'NST', not 'NT', for Nome Standard Time. - # I invented 'CAWT' for Central Alaska War Time. -  +    # From U. S. Naval Observatory (1989-01-19):   # USA EASTERN 5 H BEHIND UTC NEW YORK, WASHINGTON   # USA EASTERN 4 H BEHIND UTC APR 3 - OCT 30
250:   # Samoa standard time   # The law doesn't give abbreviations.   # + # From Paul Eggert (2016-12-19): + # Here are URLs for the 1918 and 1966 legislation: + # http://uscode.house.gov/statviewer.htm?volume=40&page=451 + # http://uscode.house.gov/statviewer.htm?volume=80&page=108 + # Although the 1918 names were officially "United States Standard + # Eastern Time" and similarly for "Central", "Mountain", "Pacific", + # and "Alaska", in practice "Standard" was placed just before "Time", + # as codified in 1966. In practice, Alaska time was abbreviated "AST" + # before 1968. Summarizing the 1967 name changes: + # 1918 names 1967 names + # -08 Standard Pacific Time (PST) Pacific standard time (PST) + # -09 (unofficial) Yukon (YST) Yukon standard time (YST) + # -10 Standard Alaska Time (AST) Alaska-Hawaii standard time (AHST) + # -11 (unofficial) Nome (NST) Bering standard time (BST) + #   # From Paul Eggert (2000-01-08), following a heads-up from Rives McDow:   # Public law 106-564 (2000-12-23) introduced ... "Chamorro Standard Time"   # for time in Guam and the Northern Marianas. See the file "australasia".
305:   # Roberts, city administrator in Phenix City. as saying "We are in the Central   # time zone, but we do go by the Eastern time zone because so many people work   # in Columbus." + # + # From Paul Eggert (2017-02-22): + # Four cities are involved. The two not mentioned above are Smiths Station + # and Valley. Barbara Brooks, Valley's assistant treasurer, heard it started + # because West Point Pepperell textile mills were in Alabama while the + # corporate office was in Georgia, and residents voted to keep Eastern + # time even after the mills closed. See: Kazek K. Did you know which + # Alabama towns are in a different time zone? al.com 2017-02-06. + # http://www.al.com/living/index.ssf/2017/02/do_you_know_which_alabama_town.html      # From Paul Eggert (2014-09-06):   # Monthly Notices of the Royal Astronomical Society 44, 4 (1884-02-08), 208
482:    -8:00 US P%sT      # Alaska - # AK%sT is the modern abbreviation for -9:00 per USNO. + # AK%sT is the modern abbreviation for -09 per USNO.   #   # From Paul Eggert (2001-05-30):   # Howse writes that Alaska switched from the Julian to the Gregorian calendar,
588:    -9:00 US AK%sT   Zone America/Anchorage 14:00:24 - LMT 1867 Oct 18    -9:59:36 - LMT 1900 Aug 20 12:00 -  -10:00 - CAT 1942 -  -10:00 US CAT/CAWT 1945 Aug 14 23:00u -  -10:00 US CAT/CAPT 1946 # Peace -  -10:00 - CAT 1967 Apr +  -10:00 - AST 1942 +  -10:00 US A%sT 1967 Apr    -10:00 - AHST 1969    -10:00 US AH%sT 1983 Oct 30 2:00    -9:00 US Y%sT 1983 Nov 30
680:    -10:30 1:00 HDT 1945 Sep 30 2:00    -10:30 - HST 1947 Jun 8 2:00    -10:00 - HST - Link Pacific/Honolulu Pacific/Johnston +       # Now we turn to US areas that have diverged from the consensus since 1970.   
1068:   ################################################################################       - # From Paul Eggert (2014-10-31): + # From Paul Eggert (2017-02-10):   #   # Unless otherwise specified, the source for data through 1990 is:   # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),   # San Diego: ACS Publications, Inc. (2003).   # Unfortunately this book contains many errors and cites no sources.   # - # Gwillim Law writes that a good source - # for recent time zone data is the International Air Transport + # Many years ago Gwillim Law wrote that a good source + # for time zone data was the International Air Transport   # Association's Standard Schedules Information Manual (IATA SSIM),   # published semiannually. Law sent in several helpful summaries   # of the IATA's data after 1990. Except where otherwise noted,
2734:   # Belize   # Whitman entirely disagrees with Shanks; go with Shanks & Pottenger.   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 HD - Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 S - Rule Belize 1973 only - Dec 5 0:00 1:00 D - Rule Belize 1974 only - Feb 9 0:00 0 S - Rule Belize 1982 only - Dec 18 0:00 1:00 D - Rule Belize 1983 only - Feb 12 0:00 0 S + Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 -0530 + Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 CST + Rule Belize 1973 only - Dec 5 0:00 1:00 CDT + Rule Belize 1974 only - Feb 9 0:00 0 CST + Rule Belize 1982 only - Dec 18 0:00 1:00 CDT + Rule Belize 1983 only - Feb 12 0:00 0 CST   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Belize -5:52:48 - LMT 1912 Apr -  -6:00 Belize C%sT +  -6:00 Belize %s      # Bermuda   
3014:         # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule DR 1966 only - Oct 30 0:00 1:00 D - Rule DR 1967 only - Feb 28 0:00 0 S - Rule DR 1969 1973 - Oct lastSun 0:00 0:30 HD - Rule DR 1970 only - Feb 21 0:00 0 S - Rule DR 1971 only - Jan 20 0:00 0 S - Rule DR 1972 1974 - Jan 21 0:00 0 S + Rule DR 1966 only - Oct 30 0:00 1:00 EDT + Rule DR 1967 only - Feb 28 0:00 0 EST + Rule DR 1969 1973 - Oct lastSun 0:00 0:30 -0430 + Rule DR 1970 only - Feb 21 0:00 0 EST + Rule DR 1971 only - Jan 20 0:00 0 EST + Rule DR 1972 1974 - Jan 21 0:00 0 EST   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Santo_Domingo -4:39:36 - LMT 1890    -4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT -  -5:00 DR E%sT 1974 Oct 27 +  -5:00 DR %s 1974 Oct 27    -4:00 - AST 2000 Oct 29 2:00    -5:00 US E%sT 2000 Dec 3 1:00    -4:00 - AST
3313:   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre    -4:00 - AST 1980 May -  -3:00 - PMST 1987 # Pierre & Miquelon Time -  -3:00 Canada PM%sT +  -3:00 - -03 1987 +  -3:00 Canada -03/-02      # St Vincent and the Grenadines   # See America/Port_of_Spain.