CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Haidian
A live observatory for the Sun, Moon, daylight, twilight and the sky above Haidian.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION10h 49m-148s compared to yesterday
NIGHT DURATION13h 11mAstronomical darkness & twilights
MORNING GOLDEN HOUR06:35 - 07:12Soft warm lighting
EVENING GOLDEN HOUR16:46 - 17:23Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn05:04
Nautical Dawn05:36
Civil Dawn06:07
Sunrise06:35
DUSK (EVENING)
Sunset17:23
Civil Dusk17:51
Nautical Dusk18:23
Astronomical Dusk18:54