CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Helong
A live observatory for the Sun, Moon, daylight, twilight and the sky above Helong.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION10h 42m-162s compared to yesterday
NIGHT DURATION13h 18mAstronomical darkness & twilights
MORNING GOLDEN HOUR05:47 - 06:26Soft warm lighting
EVENING GOLDEN HOUR15:49 - 16:28Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn04:12
Nautical Dawn04:45
Civil Dawn05:18
Sunrise05:47
DUSK (EVENING)
Sunset16:28
Civil Dusk16:57
Nautical Dusk17:30
Astronomical Dusk18:02