in reply to Re: subroutine for calculating day since 1900 needed
in thread subroutine for calculating day since 1900 needed

You have to keep in mind that 2000 was a non leap year leap year to account for the 4 century drift as the year is 365.24 and the leap years system drifts .1 every leap year so every 4 centuries you skip a leap year. Except if it is divisible by 4. http://tf.nist.gov/general/leaps.htm
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Re^3: subroutine for calculating day since 1900 needed
by Ninthwave (Chaplain) on May 12, 2006 at 18:15 UTC
    Sorry that 2000 was a leap year not a non leap year
    "No matter where you go, there you are." BB