2 ms·
It would be interesting to see the calculations for it though (with the different twilights too) When doez civil twilight start - is it when the centre of the
by iso1631 4y ago
It would be interesting to see the calculations for it though (with the different twilights too)
When doez civil twilight start - is it when the centre of the sun drops below horizon, or a minuteish later when the last part of the sun drops?
- madcaptenor 4y agoIt's when the last part of the sun drops. https://en.wikipedia.org/wiki/Sunrise#Measurement https://en.wikipedia.org/wiki/Sunrise#Measurement - sunrise is when the sun's center is 50 arcminutes below the horizon. 34 arcminutes of that is refraction, and another 16 is from the radius of the sun.