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From: hoffman@hdsvx1.UUCP
Newsgroups: net.unix
Subject: Re: Re: Adding Time and Date
Message-ID: <492@hdsvx1.UUCP>
Date: Thu, 4-Sep-86 14:20:24 EDT
Article-I.D.: hdsvx1.492
Posted: Thu Sep  4 14:20:24 1986
Date-Received: Mon, 8-Sep-86 20:53:01 EDT
References: <118@funvax.UUCP>
Organization: Schlumberger-HDS, Houston TX
Lines: 14

> Is there also a simple routine that will allow me to calculate
> what day of the week an arbitrary date falls on?
> 
> 			Bruce

Real simple.  Just take any day as a reference point, note its Julian
Day and the day of the week on which it fell.  To find the day of the
week for some other day, take the difference between the two Julian
Days, mod 7.
-- 
 Richard Hoffman                | "Oh life is a wonderful cycle of song,
 Schlumberger Well Services     |     A medley of extemporanea.
 hoffman%hdsvx1@slb-doll.csnet  | And Love is a thing that can never go wrong
 PO Box 2175, Houston, TX 77252 | ... And I am Marie of Roumania." --D. PARKER