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February 2006, Week 2

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Subject:
Re: HP COBOL routine to calculate the difference between 2 dates
From:
Walter Murray <[log in to unmask]>
Reply To:
Walter Murray <[log in to unmask]>
Date:
Wed, 8 Feb 2006 21:30:14 -0800
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Eben Yong asks:

> Would someone pls share their COBOL code that will calculate the 
> difference between two given dates, and return the results in terms of

> years, months, and days?

I don't even know how to define the difference, in view of the fact that
not all months have the same number of days.

For example, what is the difference between 2005-07-30 and 2006-09-01?
Is it 1 year + 1 month + 1 day?  Or 1 year + 1 month + 2 days?

I wonder if there's a standard that defines this.  It might be in ISO
8601.  I'll check at work tomorrow.

Walter  

Walter J. Murray

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