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July 2001

18 participants
12 discussions

Time zone trivia
by Bruce Lilly July 4, 2001

July 4, 2001

Hello, ftp://elsie.nci.nih.gov/pub/tzdata2001c.tar.gz file "africa" reports that: # From Paul Eggert <eggert(a)twinsun.com> (1993-11-18): # In 1972 Liberia was the last country to switch # from a UTC offset that was not a multiple of 15 minutes. However, file "australasia" gives: Zone Pacific/Kiritimati -10:29:20 - LMT 1901 -10:40 - LINT 1979 Oct # Line Is Time -10:00 - LINT 1995 14:00 - LINT Unless I missed something, -10:40 isn't a multiple of 15 minutes, and 1979 is more recent than 1972 (the Republic of Kiribati is a country). A relatively minor point... Best regards, Bruce Lilly

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Plea to Microsoft to allow RTC=UTC
by Markus Kuhn July 4, 2001

July 4, 2001

I have managed to get someone inside Microsoft interested in the problems of the old MS-DOS convention of keeping the RTC in some local time that is not further specified in the CMOS RAM data. I was asked to write up a case to convince Microsoft management to dedicate resources for fixing this and enabling the Windows RTC driver to maintain the battery clock in Universal Time instead of local time. I just did so on http://www.cl.cam.ac.uk/~mgk25/mswish/ut-rtc.html and I would like to invite all computer time gurus out there to review this brief essay before I send it off to Redmond. Please let me know if you have any further - arguments - technical suggestions/proposals - related references - URLs of well-documented RTC DST problem stories that you think that whoever at Microsoft touches the Windows RTC code next should be aware of. Cheers, Markus -- Markus G. Kuhn, Computer Laboratory, University of Cambridge, UK Email: mkuhn at acm.org, WWW: <http://www.cl.cam.ac.uk/~mgk25/>

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