Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!seismo!caip!sri-spam!nike!ucbcad!ucbvax!hplabs!qantel!ihnp4!ihlpl!psfales
From: psfales@ihlpl.UUCP (Peter Fales)
Newsgroups: net.unix
Subject: Re: Re: Re: Adding Time and Date
Message-ID: <1275@ihlpl.UUCP>
Date: Sun, 7-Sep-86 22:21:17 EDT
Article-I.D.: ihlpl.1275
Posted: Sun Sep  7 22:21:17 1986
Date-Received: Mon, 8-Sep-86 05:58:14 EDT
References: <118@funvax.UUCP> <492@hdsvx1.UUCP> <127@rayssd.UUCP>
Organization: AT&T Bell Laboratories
Lines: 16

> trivial (although admittedly not very difficult).  What I dont understand
> is why no one has suggested using Zeller's congruence?  Is this simple
> yet extremely useful algorithm considered second rate?  Or is it just
> that no one is familiar with it?  I dont have the source code in front
> of me but basically the algorithm takes the month, day of the month,
> century, and year of the century and outputs the day of the week.  The
> whole thing is only a couple of lines of C code.  If anybody is
> interested and doesn't have a reference available with the algorithm
> in it, send me mail and I will send you a working version of the algorithm
> written in C.

Seems like a perfect candidate for posting to the net I'd say!
(or mail me a copy - Thanks)

Peter Fales
...ihnp4!ihlpl!psfales