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

**URL:** https://boards.straightdope.com/t/how-many-cultures-still-regard-the-rising-of-the-sun-as-the-official-start-of-the-day/1003018
**Category:** Factual Questions
**Created:** [June 18, 2024, 5:34pm UTC](https://boards.straightdope.com/t/how-many-cultures-still-regard-the-rising-of-the-sun-as-the-official-start-of-the-day/1003018 "2024-06-18T17:34:47Z")
**Posts on this page:** 1
**Showing post:** 17

<div class="post-metadata">

### Author: ![DPRK](https://avatars.discourse-cdn.com/v4/letter/d/4491bb/32.png) [@DPRK](https://boards.straightdope.com/u/DPRK)
#### Post date: [June 19, 2024, 4:22am UTC](https://boards.straightdope.com/t/how-many-cultures-still-regard-the-rising-of-the-sun-as-the-official-start-of-the-day/1003018/17 "2024-06-19T04:22:08Z")

</div>

> [@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](https://boards.straightdope.com/t/black-vs-red-thread-marking-sunset/942509/2):
>
> 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](https://en.wikipedia.org/wiki/Astronomical_day) 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 🙂

---

_[View the full topic](https://boards.straightdope.com/t/how-many-cultures-still-regard-the-rising-of-the-sun-as-the-official-start-of-the-day/1003018)._
