CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Longmen
A live observatory for the Sun, Moon, daylight, twilight and the sky above Longmen.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION11h 23m-81s compared to yesterday
NIGHT DURATION12h 37mAstronomical darkness & twilights
MORNING GOLDEN HOUR06:09 - 06:41Soft warm lighting
EVENING GOLDEN HOUR17:01 - 17:33Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn04:53
Nautical Dawn05:19
Civil Dawn05:46
Sunrise06:09
DUSK (EVENING)
Sunset17:33
Civil Dusk17:56
Nautical Dusk18:23
Astronomical Dusk18:49