RE: Question on interpretation of rules intervals
Olson, Arthur David (NIH/NCI) [E] <olsona <at> dc37a.nci.nih.gov>
2007-04-02 14:26:28 GMT
Starting in 1942, the U.S. observed Daylight Saving Time year-round as
part of a war-time effort to conserve energy; rather than being called
"Standard" or "Daylight" time, it was called "War" time (as in "Eastern
WWII ended during the summer of 1945, when Daylight Saving Time would
normally be observed; folks started using "Peace" rather than "War" in
time zone names (such as "Eastern Peace Time").
When the normal "fall back" date arrived in 1945, folks reverted to
"Eastern Standard Time" (and to "Eastern Daylight Time" in 1946).
So...there's one rule in 1942 to get things on to "War" time (in effect
through 1945, with no clock changes), one rule in 1945 to get things on
to "Peace" time, and one rule in 1945 to "fall back" to standard time.
From: Liviu Nicoara [mailto:nicoara <at> roguewave.com]
Sent: Monday, April 02, 2007 10:17 AM
To: tz <at> lecserver.nci.nih.gov
Subject: Question on interpretation of rules intervals
I have a question about how to interpret the US set of rules. After
going through the "zic" man page and the mailing list archive I am still
unclear about the meaning of using this: