--- old/test/jdk/sun/util/calendar/zi/tzdata/asia 2018-01-26 14:28:43.498033847 -0800 +++ new/test/jdk/sun/util/calendar/zi/tzdata/asia 2018-01-26 14:28:43.310033847 -0800 @@ -73,7 +73,7 @@ # 9:00 KST KDT Korea when at +09 # 9:30 ACST Australian Central Standard Time # Otherwise, these tables typically use numeric abbreviations like +03 -# and +0330 for integer hour and minute UTC offsets. Although earlier +# and +0330 for integer hour and minute UT offsets. Although earlier # editions invented alphabetic time zone abbreviations for every # offset, this did not reflect common practice. # @@ -670,17 +670,17 @@ # time", in which abolished the adoption of Western Standard Time in # western islands (listed above), which means the whole Japan # territory, including later occupations, adopt Japan Central Time -# (UTC+9). The adoption began on Oct 1, 1937. The original text can +# (UT+9). The adoption began on Oct 1, 1937. The original text can # be found on Wikisource: # https://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件 # -# That is, the time zone of Taipei switched to UTC+9 on Oct 1, 1937. +# That is, the time zone of Taipei switched to UT+9 on Oct 1, 1937. # From Yu-Cheng Chuang (2014-07-02): -# I've found more evidence about when the time zone was switched from UTC+9 -# back to UTC+8 after WW2. I believe it was on Sep 21, 1945. In a document +# I've found more evidence about when the time zone was switched from UT+9 +# back to UT+8 after WW2. I believe it was on Sep 21, 1945. In a document # during Japanese era [1] in which the officer told the staff to change time -# zone back to Western Standard Time (UTC+8) on Sep 21. And in another +# zone back to Western Standard Time (UT+8) on Sep 21. And in another # history page of National Cheng Kung University [2], on Sep 21 there is a # note "from today, switch back to Western Standard Time". From these two # materials, I believe that the time zone change happened on Sep 21. And @@ -1487,17 +1487,17 @@ # of the Japanese wanted to scrap daylight-saving time, as opposed to 30% who # wanted to keep it.) -# From Paul Eggert (2006-03-22): -# Shanks & Pottenger write that DST in Japan during those years was as follows: -# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Japan 1948 only - May Sun>=1 2:00 1:00 D -Rule Japan 1948 1951 - Sep Sat>=8 2:00 0 S -Rule Japan 1949 only - Apr Sun>=1 2:00 1:00 D -Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D -# but the only locations using it (for birth certificates, presumably, since -# their audience is astrologers) were US military bases. For now, assume -# that for most purposes daylight-saving time was observed; otherwise, what -# would have been the point of the 1951 poll? +# From Takayuki Nikai (2018-01-19): +# The source of information is Japanese law. +# http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00219480428029.htm +# http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00719500331039.htm +# ... In summary, it is written as follows. From 24:00 on the first Saturday +# in May, until 0:00 on the day after the second Saturday in September. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +Rule Japan 1948 only - May Sat>=1 24:00 1:00 D +Rule Japan 1948 1951 - Sep Sun>=9 0:00 0 S +Rule Japan 1949 only - Apr Sat>=1 24:00 1:00 D +Rule Japan 1950 1951 - May Sat>=1 24:00 1:00 D # From Hideyuki Suzuki (1998-11-09): # 'Tokyo' usually stands for the former location of Tokyo Astronomical @@ -1528,7 +1528,7 @@ # # ...the Showa Emperor announced Ordinance No. 529 of Showa Year 12 ... which # means the whole Japan territory, including later occupations, adopt Japan -# Central Time (UTC+9). The adoption began on Oct 1, 1937. +# Central Time (UT+9). The adoption began on Oct 1, 1937. # https://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件 # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -2089,8 +2089,8 @@ # Maldives # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Indian/Maldives 4:54:00 - LMT 1880 # Male - 4:54:00 - MMT 1960 # Male Mean Time +Zone Indian/Maldives 4:54:00 - LMT 1880 # Malé + 4:54:00 - MMT 1960 # Malé Mean Time 5:00 - +05 # Mongolia