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From: Jeffrey Carter <jeffrey.carter@boeing.com>
Subject: Re: Date & time formatting operations for review
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Ted Dennison wrote:
> 
> I don't see anything in there for retrieving the day of the week. Other than
> that, it looks pretty good.

PragmARC.Date_Handler already has a day-of-week function, so it isn't
new. The algorithm (by Zeller, 1887) relies on taking a modulus, rather
than a remainder. Numerous implementations in Pascal didn't work without
fudging because "mod" was really "rem".

Jeff