CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Colorado
A live observatory for the Sun, Moon, daylight, twilight and the sky above Colorado.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION12h 47m+75s compared to yesterday
NIGHT DURATION11h 13mAstronomical darkness & twilights
MORNING GOLDEN HOUR05:48 - 06:18Soft warm lighting
EVENING GOLDEN HOUR18:05 - 18:35Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn04:30
Nautical Dawn04:58
Civil Dawn05:25
Sunrise05:48
DUSK (EVENING)
Sunset18:35
Civil Dusk18:58
Nautical Dusk19:25
Astronomical Dusk19:53