CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Changtun
A live observatory for the Sun, Moon, daylight, twilight and the sky above Changtun.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION10h 50m-145s compared to yesterday
NIGHT DURATION13h 10mAstronomical darkness & twilights
MORNING GOLDEN HOUR06:30 - 07:07Soft warm lighting
EVENING GOLDEN HOUR16:43 - 17:20Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn05:00
Nautical Dawn05:31
Civil Dawn06:03
Sunrise06:30
DUSK (EVENING)
Sunset17:20
Civil Dusk17:48
Nautical Dusk18:19
Astronomical Dusk18:50