this post was submitted on 31 Dec 2025
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[–] Clent@lemmy.dbzer0.com 1 points 4 hours ago (3 children)

The mathematical error os not basing our time counting on that ratio. The number is only 365.2422 because our second, hours, days are too long/short.

We can just decide we want one rotation to be exactly 366 units and then work backwards from there to determine new units.

[–] brsrklf@jlai.lu 2 points 3 hours ago

So you'd support a "day" unit of time that has no relation with the times the sun is rising and setting?

if your "day" is exactly a 365th or 366th of a year, you'll have to work with with the fact a specific hour like 12PM would gradually deviate to be any time from sun's zenith to the middle of the night.

[–] moonshadow@slrpnk.net 3 points 3 hours ago

Days are defined by a different natural cycle, that of the earth's rotation around its axis. That happens 365.2422 times every time we go around the sun. You can't just assign the length of a day to something more convenient

[–] Val@anarchist.nexus 3 points 3 hours ago (1 children)

A day is defined as a single rotation around earths axis. A year is a single rotation around the sun. The 356.2422 is the result of those two definitions. Earth takes 356.2422 rotations around its axis to rotate around the sun. That is a fact. You could define a unit to be 366th of a rotation around the sun, you could even call it a day, but as a result you lose the reason a day is a useful unit: It's the time it takes for earth to spin around its axis, a far more useful definition than 366th of a year.

[–] erusuoyera@sh.itjust.works 1 points 1 hour ago

I propose we make the calender a nice round 360 days, then have a roughly 5-6 day holiday for new New year around the spring equinox.