Anonymous ID: b81d04 May 18, 2023, 8:19 p.m. No.18869654   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun   >>9668

was thinking about the definition of a day, the other day.

looked at the moonโ€ฆ

it rotates on its axis once every 29.5-ish earth days.

1 lunar day = 29.5 earth days.

give or take a finger smudge or two.

but how long is its month?