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From: lihan@walt.cc.utexas.edu (Bruce Bostwick)
Newsgroups: comp.lang.pascal
Subject: Re: Algorithm for average time of day?
Message-ID: <18034@ut-emx.UUCP>
Date: 6 Sep 89 16:27:44 GMT
References: <1780003@hpcc01.HP.COM>
Sender: news@ut-emx.UUCP
Reply-To: lihan@walt.cc.utexas.edu (Bruce Bostwick)
Distribution: usa
Organization: The University of Texas at Austin, Austin, Texas
Lines: 26

In article <1780003@hpcc01.HP.COM> azarian@hpcc01.HP.COM (Randy Azarian) writes:
>Does anyone have an algorithm available that will calculate
>an average time of day?
>
>For example:
>   
>     4:30
>     5:30
>     -> average would be 5:00

Try converting the times to decimal hours, e.g. 4:30 becomes 4.5, 5:30 becomes
5.5; then averaging those two numbers and converting back to h:mm format.

If noon becomes a problem, you can remove some worries by using 24-hour
decimal time -- 4:30 PM would be 16.5, etc., etc.

r

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