- The 13th day of a month is more likely to fall on a Friday than on any other day.
- In each 400-year cycle of the Gregorian calendar, 170 years have one Friday the 13th, 171 have two, and 59 have three.
- It is impossible to have a year with no Friday the 13th or a year with four or more Fridays the 13th.
- When there are three Fridays the 13th in a year, they occur in February, March and November except in leap years.
- In leap years, they occur in January, April and July.
- When there is only one Friday the 13th in a year, it falls either in May, June, August or October.
July 13, 2007
Friday the 13th
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3 comments:
Silly superstitions.
They were fun when I was, what, 10?
Confused. Um, these are facts?
I just meant the only reason anyone pays attention to Friday the 13th (vs. Friday the 10th, Monday the 16th, etc.) is because it's supposed to be unlucky.
That's a superstition.
No biggie.
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