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<TITLE>Chinese timezones do not observe DST</TITLE>
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<P><FONT SIZE=2 FACE="Arial">I noticed that the timezone description for chinese timezones use DST.</FONT>
<BR><FONT SIZE=2 FACE="Arial">Aparently the chinese governament stopped using DST in 1992.</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial">To fix the problem I changed my copy asia file and regenerated ICU4J resources (my copy).</FONT>
</P>
<BR>
<P><FONT SIZE=2 FACE="Arial"># China</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># From Guy Harris:</FONT>
<BR><FONT SIZE=2 FACE="Arial"># People's Republic of China. Yes, they really have only one time zone.</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># From Bob Devine (1988-01-28):</FONT>
<BR><FONT SIZE=2 FACE="Arial"># No they don't. See TIME mag, 1986-02-17 p.52. Even though</FONT>
<BR><FONT SIZE=2 FACE="Arial"># China is across 4 physical time zones, before Feb 1, 1986 only the</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Peking (Bejing) time zone was recognized. Since that date, China</FONT>
<BR><FONT SIZE=2 FACE="Arial"># has two of 'em -- Peking's and Urumqi (named after the capital of</FONT>
<BR><FONT SIZE=2 FACE="Arial"># the Xinjiang Uyghur Autonomous Region). I don't know about DST for it.</FONT>
<BR><FONT SIZE=2 FACE="Arial">#</FONT>
<BR><FONT SIZE=2 FACE="Arial"># . . .I just deleted the DST table and this editor makes it too</FONT>
<BR><FONT SIZE=2 FACE="Arial"># painful to suck in another copy.. So, here is what I have for</FONT>
<BR><FONT SIZE=2 FACE="Arial"># DST start/end dates for Peking's time zone (info from AP):</FONT>
<BR><FONT SIZE=2 FACE="Arial">#</FONT>
<BR><FONT SIZE=2 FACE="Arial"># 1986 May 4 - Sept 14</FONT>
<BR><FONT SIZE=2 FACE="Arial"># 1987 mid-April - ??</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># From U. S. Naval Observatory (1989-01-19):</FONT>
<BR><FONT SIZE=2 FACE="Arial"># CHINA 8 H AHEAD OF UTC ALL OF CHINA, INCL TAIWAN</FONT>
<BR><FONT SIZE=2 FACE="Arial"># CHINA 9 H AHEAD OF UTC APR 17 - SEP 10</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># From Paul Eggert <eggert@twinsun.com> (1995-12-19):</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Shanks writes that China has had a single time zone since 1980 May 1,</FONT>
<BR><FONT SIZE=2 FACE="Arial"># observing summer DST from 1986 through 1991; this contradicts Devine's</FONT>
<BR><FONT SIZE=2 FACE="Arial"># note about Time magazine, though apparently _something_ happened in 1986.</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Go with Shanks for now. I made up names for the other pre-1980 time zones.</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># From Shanks:</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Shang 1940 only - Jun 3 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Shang 1940 1941 - Oct 1 0:00 0 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Shang 1941 only - Mar 16 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule PRC 1949 only - Jan 1 0:00 0 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule PRC 1986 only - May 4 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule PRC 1986 1991 - Sep Sun>=11 0:00 0 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule PRC 1987 1991 - Apr Sun>=10 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">#</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Zone NAME GMTOFF RULES FORMAT [UNTIL]</FONT>
<BR><FONT SIZE=2 FACE="Arial">#</FONT>
<BR><FONT SIZE=2 FACE="Arial"># From Anthony Fok (2001-12-20):</FONT>
<BR><FONT SIZE=2 FACE="Arial"># BTW, I did some research on-line and found some info regarding these five</FONT>
<BR><FONT SIZE=2 FACE="Arial"># historic timezones from some Taiwan websites. And yes, there are official</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Chinese names for these locales (before 1949):</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Changbai Time ("Long-white Time", Long-white = Heilongjiang area)</FONT>
<BR><FONT SIZE=2 FACE="Arial">Zone Asia/Harbin 8:26:44 - LMT 1928 # or Haerbin</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:30 - CHAT 1932 Mar # Changbai Time</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST 1940</FONT>
<BR> <FONT SIZE=2 FACE="Arial">9:00 - CHAT 1966 May</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:30 - CHAT 1980 May</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 PRC C%sT 1992</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Zhongyuan Time ("Central plain Time")</FONT>
<BR><FONT SIZE=2 FACE="Arial">Zone Asia/Shanghai 8:05:52 - LMT 1928</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 Shang C%sT 1949</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 PRC C%sT 1992</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Long-shu Time (probably due to Long and Shu being two names of that area)</FONT>
<BR><FONT SIZE=2 FACE="Arial">Zone Asia/Chongqing 7:06:20 - LMT 1928 # or Chungking</FONT>
<BR> <FONT SIZE=2 FACE="Arial">7:00 - LONT 1980 May # Long-shu Time</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 PRC C%sT 1992</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Xin-zang Time ("Xinjiang-Tibet Time")</FONT>
<BR><FONT SIZE=2 FACE="Arial">Zone Asia/Urumqi 5:50:20 - LMT 1928 # or Urumchi</FONT>
<BR> <FONT SIZE=2 FACE="Arial">6:00 - URUT 1980 May # Urumqi Time</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 PRC C%sT 1992</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Kunlun Time</FONT>
<BR><FONT SIZE=2 FACE="Arial">Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar</FONT>
<BR> <FONT SIZE=2 FACE="Arial">5:30 - KAST 1940 # Kashgar Time</FONT>
<BR> <FONT SIZE=2 FACE="Arial">5:00 - KAST 1980 May</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 PRC C%sT 1992</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># Hong Kong (Xianggang)</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1946 only - Apr 20 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1946 only - Dec 1 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1947 only - Apr 13 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1947 only - Dec 30 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1948 only - May 2 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1948 1952 - Oct lastSun 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1949 1953 - Apr Sun>=1 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1953 only - Nov 1 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1954 1964 - Mar Sun>=18 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1954 only - Oct 31 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1955 1964 - Nov Sun>=1 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1965 1977 - Apr Sun>=16 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1965 1977 - Oct Sun>=16 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1979 1980 - May Sun>=8 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule HK 1979 1980 - Oct Sun>=16 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Zone NAME GMTOFF RULES FORMAT [UNTIL]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Zone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 HK HK%sT 2002</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST </FONT>
</P>
<BR>
<P><FONT SIZE=2 FACE="Arial">###############################################################################</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># Taiwan</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># Shanks writes that Taiwan observed DST during 1945, when it</FONT>
<BR><FONT SIZE=2 FACE="Arial"># was still controlled by Japan. This is hard to believe, but we don't</FONT>
<BR><FONT SIZE=2 FACE="Arial"># have any other information.</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1945 1951 - May 1 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1945 1951 - Oct 1 0:00 0 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1952 only - Mar 1 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1952 1954 - Nov 1 0:00 0 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1953 1959 - Apr 1 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1955 1961 - Oct 1 0:00 0 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1960 1961 - Jun 1 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1974 1975 - Apr 1 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1974 1975 - Oct 1 0:00 0 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1980 only - Jun 30 0:00 1:00 D</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Taiwan 1980 only - Sep 30 0:00 0 S</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Zone NAME GMTOFF RULES FORMAT [UNTIL]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Zone Asia/Taipei 8:06:00 - LMT 1896 # or Taibei or T'ai-pei</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 Taiwan C%sT 1992</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST</FONT>
</P>
<P><FONT SIZE=2 FACE="Arial"># Macau (Macao, Aomen)</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1961 1962 - Mar Sun>=16 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1961 1964 - Nov Sun>=1 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1963 only - Mar Sun>=16 0:00 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1964 only - Mar Sun>=16 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1965 only - Mar Sun>=16 0:00 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1965 only - Oct 31 0:00 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1966 1971 - Apr Sun>=16 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1966 1971 - Oct Sun>=16 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1972 1974 - Apr Sun>=15 0:00 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1972 1973 - Oct Sun>=15 0:00 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1974 1977 - Oct Sun>=15 3:30 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1975 1977 - Apr Sun>=15 3:30 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1978 1980 - Apr Sun>=15 0:00 1:00 S</FONT>
<BR><FONT SIZE=2 FACE="Arial">Rule Macau 1978 1980 - Oct Sun>=15 0:00 0 -</FONT>
<BR><FONT SIZE=2 FACE="Arial"># Zone NAME GMTOFF RULES FORMAT [UNTIL]</FONT>
<BR><FONT SIZE=2 FACE="Arial">Zone Asia/Macau 7:34:20 - LMT 1912</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 Macau MO%sT 1999 Dec 20 # return to China</FONT>
<BR> <FONT SIZE=2 FACE="Arial">8:00 - CST</FONT>
</P>
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