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| author | Paul Eggert <eggert@cs.ucla.edu> | 2014-11-22 20:08:43 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2014-11-22 20:08:43 -0800 |
| commit | ff5b82b07bcf9fe794e1d7920a6a3c0ed4167e64 (patch) | |
| tree | 99d047d8e6d58c54e4d1d6094a9e16bde0a8fe50 | |
| parent | 66cda43f6783a2b869251f7093689751ae298070 (diff) | |
| download | tz-ff5b82b07bcf9fe794e1d7920a6a3c0ed4167e64.tar.gz | |
Adjust pre-1940 Iceland data to match the Iceland Almanak.
* europe (Iceland, Atlantic/Reykjavik):
Correct entries for 1939, 1921, 1919, and 1837-1907.
Coalesce some other entries, for simplicity.
* NEWS: Document this.
| -rw-r--r-- | NEWS | 6 | ||||
| -rw-r--r-- | europe | 29 |
2 files changed, 19 insertions, 16 deletions
@@ -2,6 +2,12 @@ News for the tz database Unreleased, experimental changes + Changes affecting past time stamps + + Iceland observed DST in 1919 and 1921, and its 1939 fallbacck + transition was Oct. 29, not Nov. 29. Remove incorrect data from + Shanks about time in Iceland between 1837 and 1908. + Changes affecting code tzalloc now scrubs time zone abbreviations compatibly with the way @@ -1407,35 +1407,32 @@ Zone Europe/Budapest 1:16:20 - LMT 1890 Oct # might be a reference to the Julian calendar as opposed to Gregorian, or it # might mean something else (???). # -# From Paul Eggert (2006-03-22): -# The Iceland Almanak, Shanks & Pottenger, and Whitman disagree on many points. -# We go with the Almanak, except for one claim from Shanks & Pottenger, namely -# that Reykavik was 21W57 from 1837 to 1908, local mean time before that. +# From Paul Eggert (2014-11-22): +# The information below is taken from the 1988 Almanak; see +# http://www.almanak.hi.is/klukkan.html # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Iceland 1917 1918 - Feb 19 23:00 1:00 S +Rule Iceland 1917 1919 - Feb 19 23:00 1:00 S Rule Iceland 1917 only - Oct 21 1:00 0 - -Rule Iceland 1918 only - Nov 16 1:00 0 - +Rule Iceland 1918 1919 - Nov 16 1:00 0 - +Rule Iceland 1921 only - Mar 19 23:00 1:00 S +Rule Iceland 1921 only - Jun 23 1:00 0 - Rule Iceland 1939 only - Apr 29 23:00 1:00 S -Rule Iceland 1939 only - Nov 29 2:00 0 - +Rule Iceland 1939 only - Oct 29 2:00 0 - Rule Iceland 1940 only - Feb 25 2:00 1:00 S -Rule Iceland 1940 only - Nov 3 2:00 0 - -Rule Iceland 1941 only - Mar 2 1:00s 1:00 S -Rule Iceland 1941 only - Nov 2 1:00s 0 - -Rule Iceland 1942 only - Mar 8 1:00s 1:00 S -Rule Iceland 1942 only - Oct 25 1:00s 0 - +Rule Iceland 1940 1941 - Nov Sun>=2 1:00s 0 - +Rule Iceland 1941 1942 - Mar Sun>=2 1:00s 1:00 S # 1943-1946 - first Sunday in March until first Sunday in winter Rule Iceland 1943 1946 - Mar Sun>=1 1:00s 1:00 S -Rule Iceland 1943 1948 - Oct Sun>=22 1:00s 0 - +Rule Iceland 1942 1948 - Oct Sun>=22 1:00s 0 - # 1947-1967 - first Sunday in April until first Sunday in winter Rule Iceland 1947 1967 - Apr Sun>=1 1:00s 1:00 S -# 1949 Oct transition delayed by 1 week +# 1949 and 1969 Oct transitions delayed by 1 week Rule Iceland 1949 only - Oct 30 1:00s 0 - Rule Iceland 1950 1966 - Oct Sun>=22 1:00s 0 - Rule Iceland 1967 only - Oct 29 1:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Atlantic/Reykjavik -1:27:24 - LMT 1837 - -1:27:48 - RMT 1908 # Reykjavik Mean Time? +Zone Atlantic/Reykjavik -1:28 - LMT 1908 -1:00 Iceland IS%sT 1968 Apr 7 1:00s 0:00 - GMT |