How many cultures still regard the rising of the sun as the official start of the day?

[DPRK]

@Chronos

@blondebear

I can’t find a cite, and maybe it’s a meme from a western novel or movie, but I seem to remember the Native Americans’ method of determining “dawn” was something like when you could tell a black hair from a white one.

That’s Jewish. When you can’t tell a red thread from a black one, it’s night.

I thought we already debunked this:

Black vs. red thread marking sunset

The Muslims and Jews talking about black, white, and red threads for determining the time of twilight/dawn are not talking about textiles. They mean the colour of the sky. E.g. (from Allameh Tabatabaei’s Tafsir al-Mizan:) On the red thread:

@ftg

Unless you’re an astronomer from a few hundred years ago, of course.

If you look at old almanacs, it is apparent that while the civil day is defined to begin at midnight, the astronomical day begins at noon, while the nautical day ends at noon [I mean, the astronomical day starts just as the nautical day ends], for obvious reasons