Puzzled with Time Server conversion problems?

D'Arcy J.M. Cain darcy at vex.net
Wed Oct 6 09:30:49 EDT 1999


Bill Eldridge <bill at hk.rfa.org> wrote:
> Researching this:
> ------------------------------
> Years devisabl by 4 ARE leap years
> Except years devisable by 100 are NOT leap years
> Except years devisable by 400 which ARE leap years
> Except years devisable by 4000 which are NOT leap years!
> ------------------------------

Nope.  There is no such 4000 rule.  It's a myth.  If you believe
otherwise, please provide references.  This is one of those perenial
arguments on Usenet.  I have seen it come up time and again for almost
20 years.

> I thought there was a third rule in addition to %100 & %400 for
> millenia.

No.  However, the 400 rule special cases 2000.  Perhaps that's what
you were thinking of.

-- 
D'Arcy J.M. Cain <darcy at caingang.com>      |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on         
+1 416 425 1212     (DoD#0082)    (eNTP)   |  what's for dinner.




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