Date: Tue, 03 Jan 2006 10:22:17 +0800 From: David Xu <davidxu@freebsd.org> To: Rich Wales <richw@richw.org> Cc: current@freebsd.org Subject: Re: FreeBSD handles leapsecond correctly Message-ID: <43B9DFD9.9050509@freebsd.org> In-Reply-To: <20060103014508.948273C9ED@whodunit.richw.org> References: <20060102221948.EBE475D09@ptavv.es.net> <80965.1136240851@critter.freebsd.dk> <20060102232208.GC42228@cirb503493.alcatel.com.au> <20060103014508.948273C9ED@whodunit.richw.org>
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Rich Wales wrote: > > Peter Jeremy wrote: > >> Islam has its own calendar (with a particularly painful Leap Year >> calculation that gives very marginally more accuracy than the >> Gregorian). > > > Are you perhaps thinking about the Iranian (Persian) calendar here? > > The Islamic calendar, AFAIK, is a 12-month lunar calendar which makes > =no= attempt whatsoever to stay in sync with the seasons. > >> I'm not sure how the Chinese, Hindu, Japanese and Jewish calendars >> handle leap years. > Here is some descriptions of the traditional Chinese calendar (the lunar calendar) http://webexhibits.org/calendars/calendar-chinese.html Note that Chinese farming is based on the lunar calender. > > The Jewish calendar uses a 13th lunar month in seven out of every > 19 years. Additionally, some months can have either 29 or 30 days, > depending on complex calculations. > > Rich Wales > Palo Alto, CA, USA > richw@richw.org > http://www.richw.org Regards, David Xu
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