Re: Daylight saving correction
On 03/14/2010 12:22 PM, Roedy Green wrote:
Your computer should have automatically set your PC clock ahead 1 hour
at 2AM this morning. If you want to check that it worked ok, and if
not correct the problem and resynch your clock with an atomic source,
see
http://mindprod.com/webstart/setclock.html
Only if you are part of the ~5% of the world population who lives in
parts of North America and the Caribbean islands.
A more complete (but not fully correct) chart, taken courtesy of another
newsgroup that requires coordination between people from many different
countries (most notably U.S., Canada, a variety of European countries,
New Zealand, Japan, among others):
Sunday, February 21:
-1 hour: South, Southeast, and Central-West Brazil (GO, DF, MG, ES, RJ,
SP, PR, SC, RS, MS, MT)
Sunday, March 14:
+1 hour: Canada (except Saskatchewan (excluding western parts that are in
Mountain Time) and the areas around Resolute (NU),
Atikokan (ON) and Southampton Island (NU),
Blanc-Sablon (PQ), and Dawson Creek and Fort Saint
John (BC))
United States (except Hawaii and most (non-Navajo areas) of
Arizona)
parts of Mexico near US border (except Sonora)
Bahamas
Bermuda
Cuba
Turks & Caicos Islands
St. Pierre & Miquelon
Thule area (Greenland)
-1 hour: Uruguay
San Luis area (Argentina)
Palmer Station (Antarctica)
Monday, March 22:
+1 hour: Iran
Friday, March 26:
+1 hour: Jordan, Syria, Israel, Palestinian Territories
Sunday, March 28:
+1 hour: all of Europe (except Iceland and Georgia), including:
all of Russia (except Novokuznetsk area)
all of Turkey
Armenia
Azerbaijan
Cyprus
Faroe Islands
Tunisia
Lebanon
most of Greenland (except Thule and Danmarkshavn areas)
-1 hour: Samoa
Fiji
Thursday, April 1:
+1 hour: Bangladesh
Sunday, April 4:
-1 hour: much of Australia (Victoria, NSW, Tasmania, SA, ACT?)
New Zealand
Namibia
Chile
McMurdo and Amundsen-Scott Stations (Antarctica)
-0.5 hours: Lord Howe Island (Australia)
+1 hour: Mexico (except Sonora and parts near US border)
Sunday, April 11:
-1 hour: Paraguay
Thursday, April 15:
+1 hour: Pakistan
Sunday, April 18:
-1 hour: Falkland Islands
Friday, April 30:
+1 hour: Egypt
On second thought, don't bother posting DST correction announcements.
The newsgroup would be flooded throughout late March and April, as well
as a similar timeframe near the other equinox.
--
Beware of bugs in the above code; I have only proved it correct, not
tried it. -- Donald E. Knuth