Stargazing HK | Hong Kong Stargazing Forecast & Dark Sky Guide
An almanac for Hong Kong stargazers — when the sky is dark, the moon is kind, and the clouds are thin.
Source: Hong Kong Observatory. Updates every 6 min.
An almanac for Hong Kong stargazers — when the sky is dark, the moon is kind, and the clouds are thin.
Bortle · tonight's score · 5-night trend
Viewed from Po Toi Island, Hong Kong · Bortle 4
43%
VariableHazy
85% RH
85%
High confidenceEach night gets a 0–100 score based on four things, weighted by how much they matter:
The longest stretch of forecast cloud cover ≤ 40% during astronomical darkness. The most reliable time to head out.
At 03:30 HKT
Positions are at the mid-point of the best dark-sky window. Magnitudes assume clear conditions — light pollution will reduce what you can actually see.
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“Some nights, the city steps out of the way.”
4
Rural
02:00–05:00
HKT
Source: Hong Kong Observatory. Updates every 6 min.
Source: HKO via Himawari-9 (JMA). Updates every 10 min.