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A comment on Calculate the day of the week for any date in your head. Parent comment

Re:Calculate the day of the week for any date in your head by theli0nheart on Wednesday January 01, 2020 @08:56AM (#21928012)
What method does he use to calculate?
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Re:Calculate the day of the week for any date in your head by hunta2097 on Wednesday January 01, 2020 @07:45PM (#21931984)
He can't explain it. AFAIK none of the Human Calendars can, there have been studies.

I reckon it's memory related, he has an incredible memory and can tell you everything he did on a specific day in the past!

Maybe at some point he just scanned the Windows calendar or something!? We (and his teachers) can't work it out.

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