Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!wuarchive!cs.utexas.edu!uunet!virtech!cpcahil
From: cpcahil@virtech.uucp (Conor P. Cahill)
Newsgroups: comp.lang.c
Subject: Re: Leap Year Checker.
Message-ID: <1990Sep23.013009.17582@virtech.uucp>
Date: 23 Sep 90 01:30:09 GMT
References: <9464@uhccux.uhcc.Hawaii.Edu> <24700010@sunc1>
Reply-To: cpcahil@virtech.UUCP (Conor P. Cahill)
Organization: Virtual Technologies Inc., Sterling VA
Lines: 16

In article <24700010@sunc1> mccaugh@sunc1.cs.uiuc.edu writes:
>
> Ordinarily, a leap-year is a multiple of four, so thst -- given leap-year y --
> (y%4 == 0) ought to indicate if y designates a leap-year.

Actually a leap year is a year that is a multiple of 4 but not a multiple
of 100 unless it is also a multiple of 400.

So, 1900 is not a leap year, 1904 is, 1996 is, 2000 is, 2100 is not, etc.



-- 
Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.,
uunet!virtech!cpcahil                           46030 Manekin Plaza, Suite 160
                                                Sterling, VA 22170