StarsOut
Is tonight good for stargazing in Sapporo?
Great night tonight
Clear skies and dark conditions. Go outside.
Sapporo
Tonight's score
8.0
out of 10
Sun ↓ 16:52Dark 18:27–04:1433% cloud, 18:27–04:14
Best 2 hours
8.923:00–01:00
Evening, 21–01
8.121:00–01:00
Best this week
9.1Sat, Oct 17
Parts of the night. The score above covers the whole dark window.
Moon
Waxing Crescent
23% lit
Moon doesn’t interfere — perfect darkness
Moon up: 10:36–19:00
Visible in daylight from 10:36 until sunset
📍 S · 16°
Full moon: Oct 26
Sky quality tonight
Best 2 hours: 23:00–01:00This week’s nights
Asia/TokyoHow the score works
60% weight
Cloud cover
Averaged over the whole dark window, layer by layer. Low cloud blocks everything; thin high cirrus still lets bright stars through.
40% weight
Moon darkness
A new moon boosts the score. A bright Moon only costs points while it is actually above the horizon in the dark hours, and more the higher it stands.