4 ms·
It'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
by madcaptenor 4y ago
It'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.