Fun fact: while a much more often occurrence than once in a lifetime, "Thursday the 20th" is tied with "Saturday the 20th" as the least-likely combination of days of the week with the 20th day of the month, even though you'd think the chances would be exactly 1/7.
Here's the math about the Gregorian calendar that explains why. (Even though the post is about Friday the 13th, it straightforwardly can be applied to any other day/date combination as well.)
28The next Thursday 4/20s will be in these years:
- 2028
- 2034
- 2045
- 2051
- 2056
10Interesting. But the difference is 4 days over a 400-year cycle, i.e., in a typical human lifespan you'll maybe experience one more Thursday the 20th than Friday the 20th.
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another prophecy of the simpsons that came true. and dont correct me if i got the name wrong, it looks funny to me so i think it is good enough. Or do it, will not edit it anyway
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