The Handy Math Answer Book

(Brent) #1
the number of days in the week: 365/7 52, with a remainder of 1 (or 52.142857...).
This means that a given year usually begins and ends on the same weekday; and it also
means that the next year bumps January 1 (and all following dates) to the next week-
day, and a new calendar is born each year. But because the calendar we now have is so
ingrained in everything we do, it is doubtful that there will be any changes soon.
Not that there haven’t been suggestions. One is called the World(or Worldsday)
Calendar,in which each date would always fall on the same day of the week, and all
the holidays occur on the same day of the year. With this calendar, each year begins on
Sunday, January 1, and each working year begins on Monday, January 2. The reason
why the calendar is called “perpetual” or “perennial” is that the year ends with a 365th
day following December 30, which is marked with a “W” for “Worldsday” (our current
“December 31”). Leap year days would still have to be added, such as at the end of
June (some suggest a June 31 be added). Both extra days could act as world holidays.
The drawbacks? Besides the obvious—no one wanting to change an already
entrenched system—the superstitious would revolt. After all, on the World Calendar
there are four Friday the 13ths.

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