The Boston Diaries

The ongoing saga of a programmer who doesn't live in Boston, nor does he even like Boston, but yet named his weblog/journal “The Boston Diaries.”

Go figure.

Sunday, January 08, 2023

Today's date happens more frequently on Sunday than any other day of the week

Five years ago, I posted that January 8th is less like to occur on Monday. At the time, I just accepted it, but when I recently came across that post a few days ago, I figured I should actually see if that's true. I ran the numbers from 1583 (the first full year under the Gregorian calendar) to now:

Number of times January 8th fell on a day of the week, since 1583
Sunday 65
Friday 64
Tuesday 64
Wednesday 63
Thursday 62
Saturday 62
Monday 61

What are the odds I'd find this result on a Sunday? [High, given your results. —Editor] [Har har. —Sean] I was expecting the results to be nearly equal. I also find it funny that the actual average, 63, happens on Wednesday, the most average day of the week (you see, Wednesday being in the middle of the week and the average is … oh bother!). I wonder what causes this?

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