StarsOutAlert me on good nights
Should you go outside tonight?
Might be worth a look
Partial clearing expected. Keep an eye out.
Xi'an
4.7
out of 10
Peak 2h
6.603:00–05:00
Prime 21–01
4.621:00–01:00
Best this week
8.5Fri, Jun 5
Moon
Waning Gibbous
93% lit
Very bright — stick to planets and the moon itself
🔭 Moon up: 21:02–06:30
📍 S · 26°
Full moon: Jun 29
Sky now
Clear · 0%
Measured at ZLXY · 21km away · 12min ago
Sun ↓ 19:51·Dark from 20:51·89% clouds
🔭
Moon visible today
05:32 – 08:15 · 93% lit · great for telescope viewing
Next great night
Friday — 8.5
✨ Great night tonight
Sky quality tonight
Best: 03:00–05:00This week’s nights
Asia/ShanghaiHow the score works
60% weight
Cloud cover
Layer-weighted across the best 2-hour window of the night. Low clouds block everything, thin high cirrus still lets bright stars through.
40% weight
Moon darkness
A new moon boosts the score. A full moon near midnight washes out all but the brightest stars. We ease the penalty after midnight when the moon is setting.