Another China time zone question
dot at dotat.at
Mon Oct 18 10:30:36 UTC 2010
On Sat, 16 Oct 2010, Jonathan Hassid wrote:
> There is a longish discussion about whether Beijing time means local
> solar time or based on a GMT offset, and Guo argues that between 27 Sep
> 1949 and 1954 (date unspecified), "Beijing time" meant local Beijing
> solar time (with an offset varying by time of year of course, but
> generally between 46 and 56 minutes earlier than 120 degree latitude
That's surprising. It's easier to generate time signals based on mean
solar time, not aparrent solar time.
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
HUMBER THAMES DOVER WIGHT PORTLAND: NORTH BACKING WEST OR NORTHWEST, 5 TO 7,
DECREASING 4 OR 5, OCCASIONALLY 6 LATER IN HUMBER AND THAMES. MODERATE OR
ROUGH. RAIN THEN FAIR. GOOD.
More information about the tz