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Diffstat (limited to 'contrib/tzdata/backzone')
-rw-r--r-- | contrib/tzdata/backzone | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/contrib/tzdata/backzone b/contrib/tzdata/backzone index 3ccadd139240..91fa21da8e39 100644 --- a/contrib/tzdata/backzone +++ b/contrib/tzdata/backzone @@ -33,6 +33,35 @@ # assumes rules from other files. In the tz distribution, use # 'make PACKRATDATA=backzone zones' to compile and install this file. + +# From Paul Eggert (2020-04-15): +# The following remarks should be incorporated into this table sometime. +# Patches in 'git format-patch' format would be welcome. +# +# From Phake Nick (2020-04-15): +# ... the historical timezone data for those China zones seems to be +# incorrect. The transition to GMT+8 date given there for these zones +# were 1980 which also contradict the file description that they do +# not disagree with normal zone after 1970. According to sources that +# have also been cited in the asia file, except Xinjiang and Tibet, +# they should have adopted the Beijing Time from around 1949/1950 +# depends on exactly when each of those cities were taken over by the +# communist army. And they should also follow the DST setting of +# Asia/Shanghai after that point of time. In addition, +# http://gaz.ncl.edu.tw/detail.jsp?sysid=E1091792 the document from +# Chongqing Nationalist government say in year 1945 all of China +# should adopt summer time due to the war (not sure whether it +# continued after WWII ends)(Probably only enforced in area under +# their rule at the time?) The Asia/Harbin's 1932 and 1940 entry +# should also be incorrect. As per sources recorded at +# https://wiki.suikawiki.org/n/%E6%BA%80%E5%B7%9E%E5%9B%BD%E3%81%AE%E6%A8%99%E6%BA%96%E6%99%82 +# , in 1932 Harbin should have adopted UTC+8:00 instead of data +# currently listed in the tz database according to official +# announcement from Manchuko. And they should have adopted GMT+9 in +# 1937 January 1st according to official announcement at the time +# being cited on the webpage. + + # Zones are sorted by zone name. Each zone is preceded by the # name of the country that the zone is in, along with any other # commentary and rules associated with the entry. |