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Comment by mckirk | Hacker News Reader

As an interesting side-note, 365 has two prime factors: 5 and 73. That means you can cleanly divide the year in five 'seasons' (or 'pentamesters', I suppose) of 73 days each, which somehow seemed... beautiful to me from a mathematical perspective.

In case anyone else is curious and wants to segment their year in 20% chunks, the start dates are:

- January 1st

- March 15th

- May 27th

- August 8th

- October 20th

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Someone beat you to that punch a long time ago. Here is a whole calendar replete with holidays https://en.wikipedia.org/wiki/Discordian_calendar for your viewing pleasure.

Damn, thanks for letting me know! I suspect then that I was prompted to re-discover this by some fnording guy in a submarine, using mind control satellites or something.

The prime factors of 366 are 2, 3, and 61. You'll need them, too :).

The first rule of pentamester club is: we do not talk about February 29th ;)

or you can have a day of break every four years :(

Or you can observe 1461 = 3 * 487 and divide every four-year period into... um... three hexadecamesters?

That's the spirit!

Don't forget, every 100 years isn't a leap year, but every 400 is.

Their are 485 leap years between 2000 and 3999, inclusive, for a total of 730,120 days.

- January 1st: depression and solitude - March 15th: spring, yay - May 27th: summer - August 8th: late summer + bit of autumn - October 20th: autumn and christmas

something like that?

Or even 73 seasons of five days each.

There was a topic about micro seasons in Japan, that were each five days long, recently

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