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calendar rule
(beehaw.org)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
But 13 months of 28 days is only 364 days. After 28 years, the months would be shifted and the seasons would no longer line up, which throws off a whole lot of stuff that needs proper timing like farming. It's not perfect, but the current calender is the way it is for a reason.
The last day is a dedicated new year's celebration day, two on leap years.
I really like it because in order to keep the days of the week aligning that holiday must be a special non day of the week. It would lead to conversations like. "What day of the week is it?" "It isn't"
New Year's Festival. Mandatory day off for everyone except emergency services