OOP was Re: SC - Happy New Year (OT)

Jeff Gedney JGedney at dictaphone.com
Mon Jan 10 07:27:03 PST 2000


Margali, my dear, 
I think the point is that there was a problem in the programming of 
dates in earlier versions of EXCEL (and this is a common Y2K
bug) that did nto take into account that the Current calendar is set 
up that the century years are NOT leap years, but that Milennial 
years ARE. This is to take into account the fact that the year is 
Slightly MORE than 365 1/4 years long, and if the Leap year was 
EVERY 4 years without exception, then the calendar would slip 
as measured astronomically a little under a day a century.

Most versions of this error take either one or the other of these 
exceptions into account, and either do NOT male 2000 a leap 
year (most common), or make 1900 a leap year.

A properly calibrated calendar makes centennial years normal, and 
millenial years leap years.

( or is that the other way around? )

Damned horology...


Brandu
 ("Your elbow is soooooo exquisite....")

>>> Marilyn Traber <margali at 99main.com> 01/07 6:23 PM >>>
I thought leap year automatically meant feb 29th, which is why it is
called leap day...
margali
puzzled in canterbury

>>>>>
FWIW, anything excel based "knows" about this exception.  I hear turns
of
century don't have the leap day unless they are divisible by 1000 (so
this
correction comes in every millenium).  But, like you, I could  be
wrong.)
At any rate, when I was creating something this morning and used "fill,
down, series, date" I noted that 02/29/2000 was not left out.

Bonne

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