How to Measure Remaining Sunlight With Your Hands
https://www.artofmanliness.com/articles/how-to-measure-remaining-sunlight-with-your-hands/
(Snip) ... Sure, you could check your watch/phone, if you have one. But maybe it’s not working, and even if it is, there’s a simple, age-old method you can employ to find out how many daylight hours there are before the sun sets. The cool part is that the only equipment you need is your hands.
Keep in mind that this method varies depending on ---CONTINUED at LINK, above---