Tomorrow is not only the last day of the year but also the last day of the month AND the last day of the week. This only happens once every 775 years.

@Shayman I know people who will repeat this as true. When I used to teach math my students would often ask “when are we ever going to use this” when I realized the answer was “never” I decided it was time for me to do something else.
So many people think of math as arithmetic - to me it’s always been about game playing and reasoning. Anyone who doesn’t realize the number is closer to 7 than 700 is one of those “never” folks. Anyway thanks for giving me pause to remember

@dimsumthinking I know plenty of well-meaning, otherwise intelligent people who will gladly repeat similar nonsense about something being the first month in 700 years with 5 Fridays, Saturdays and Sundays. I'm glad you challenged your students to think these through!

@Shayman yeah I wrote an angry blog post about such a meme that traveled widely. I’m much calmer now

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@dimsumthinking @Shayman I was trying to make sense of the post and wondered if it meant lunar months. It'd naively be in the 200ish range if they're independent, but, I dunno, maybe there's some weird pattern - a lunar month is pretty close to four weeks, and I wouldn't be shocked to work out the math to find that the excess has lined up just right to make the distribution really nonuniform.

Then I remembered admiring a waxing crescent moon this week and that hypothesis kinda fell apart

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