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Daylight Shifting Time
Do I need to buy a new radio-controlled watch, or will the new dates
be accounted for in the magic radio signals that come in the dead of the night? bob k5qwg On Tue, 06 Mar 2007 04:31:10 -0500, dxAce wrote: WORLD OF HOROLOGY +++++++++++++++++ With silly DST foisted upon most of the USA three weeks earlier than before, from March 11, it`s about time to check when other countries make the shift. All this is from http://www.timeanddate.com/time/dst2007a.html and I suppose some of the dates are still subject to revision. Most notably, altho Canada is going along with US (except the part which never observes DST, Saskatchewan), Mexico is NOT but CUBA IS! Why in the world would Havana want to keep in step with Miami? Here is a summary of the upcoming change dates. The above site goes into more detail showing cities, and exact times of change. However, enclaves such as non-Navajo Arizona which do not observe DST are not singled out, and must be noted only by their absence from the list. The dates shown here are the local date when the change occurs, usually at local midnight to two hours later, in some cases actually the previous date by UT, in areas such as eastern Russia, Australia, NZ, and other points east of Western Europe. DAYLIGHT SHIFTING STARTS: 11 MARCH: Cuba, Canada [6 zones], USA [6 zones including Alaska] 25 MARCH: all of Russia, Armenia, Azerbaijan, Lebanon, Turkey, Europe [almost all?], Azores, Greenland 29 MARCH: Jordan 31 MARCH: Israel 1 APRIL: Syria, Palestine, Iraq, Haiti, Mexico [3 zones but not all?] 27 APRIL: Egypt 6 MAY : Honduras DAYLIGHT SHIFTING ENDS: 11 MARCH: Chile, Easter Island, Paraguay, Uruguay 17 MARCH: New Zealand, Chatham Islands 24 MARCH: Australia except NT, Qsld [3 zones + Lord Howe Island changing ½ hour] 1 APRIL: Namibia 15 APRIL: Falkland Islands (Glenn Hauser, DX LISTENING DIGEST) dxAce Michigan USA |
#2
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Daylight Shifting Time
I hope DST screws up everybody's computers,,, including meselfs too.ROCK
ONNNNNNNn,,,,,,,, cuhulin |
#3
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Daylight Shifting Time
Nibbles??? When you go Fishing,get a can of sweet corn (Guy
Lombardo/Kenny Gardner,,,, Enjoy Yourself (it's later than you think) (DirecTV Radio tb Music) and poke some holes in the can,,, hang the can off in the water. cuhulin |
#4
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Daylight Shifting Time
The daylight bit is encoded so if the National Bureau of Standards
fixed their watches, yours will be okay too. Except my nine identical La Crosse radio wall clocks http://home.att.net/~rhhardin3/clock01.jpg mostly hung in pairs so as to see the lockstep seconds ticking off, which were on sale at Kroger for $8.99 each apparently because of a software bug, namely : They change times perfectly, but the next UTC midnight they revert back to the previous time, then at local 2am revert back to the correct time. Thus changing (in lockstep) six times a year. You can see the bug's source with a little thinking. WWV indicates UTC daylight time; which has to be remembered in a bit somewhere until 2am local time. They got that right. But then the UTC day changes, and the logic is screwed up, and the clock resets back until 2am local time again. Someday there LaCrosse clocks will be collectors' items, like the original HP-35 calculator with the error for log(2.02). Too bad if you sent it in to get fixed. LaCrosse denies there's anything wrong (``the clock is probably overloaded by the WWVB signal, which they increase in power when they go to daylight time'' no kidding) as long as the warranty is in effect. -- Ron Hardin On the internet, nobody knows you're a jerk. |
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