CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Acheng
A live observatory for the Sun, Moon, daylight, twilight and the sky above Acheng.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION10h 32m-180s compared to yesterday
NIGHT DURATION13h 28mAstronomical darkness & twilights
MORNING GOLDEN HOUR05:59 - 06:41Soft warm lighting
EVENING GOLDEN HOUR15:50 - 16:32Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn04:20
Nautical Dawn04:54
Civil Dawn05:29
Sunrise05:59
DUSK (EVENING)
Sunset16:32
Civil Dusk17:02
Nautical Dusk17:36
Astronomical Dusk18:11