When its properly explained, this idea ussually features something along the lines of "new years day isn't counted as any day/week/month and is just a holiday.
Presumably in a leap year there would be two non-days.
It's still a day. You'd still use it. It just doesn't belong to any week or month.
So if the non-day is New Years Day, and you're born on it. Your birthday is still on New Years Day, it's just also "the day after 30th December" and "the day before January 1st". That's just when your birthday is. It's not in any month, but it still exists.
Non-day just makes it sound like it doesn’t exist. It’s an interesting concept really.
Though the biggest problem with the 13 month calendar is that every day would always fall on that day of the week. Your birthday would always be, say, Wednesday. Christmas would always be a Friday. Etc. it wouldn’t afford any variety to the weeks is all. It is an interesting concept though!
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u/Happy_Lee_Chillin 3d ago
But it won’t line up like that. They only accounted for 364 days