FreeBSD handles leapsecond correctly

David Xu davidxu at
Mon Jan 2 18:24:26 PST 2006

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

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 at

David Xu

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