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Pastimes : Laughter is the Best Medicine - Tell us a joke
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To: Ish who wrote (44663)5/20/2011 12:12:48 PM
From: Fred McCutcheon  Read Replies (1) of 62567
 
Any month with 31 days has three consecutive weekdays that occur 5 times. The calendar shifts the first day of the month through the week at 1 day per year (2 on leap years) so any consecutive trio of weekdays will repeat at intervals of 14 to 21 years, depending upon the leap years.

Fred
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