CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Arch
A live observatory for the Sun, Moon, daylight, twilight and the sky above Arch.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION10h 29m-192s compared to yesterday
NIGHT DURATION13h 31mAstronomical darkness & twilights
MORNING GOLDEN HOUR07:59 - 08:42Soft warm lighting
EVENING GOLDEN HOUR17:45 - 18:28Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn06:17
Nautical Dawn06:52
Civil Dawn07:28
Sunrise07:59
DUSK (EVENING)
Sunset18:28
Civil Dusk18:59
Nautical Dusk19:35
Astronomical Dusk20:10