CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Alfter
A live observatory for the Sun, Moon, daylight, twilight and the sky above Alfter.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION10h 16m-219s compared to yesterday
NIGHT DURATION13h 44mAstronomical darkness & twilights
MORNING GOLDEN HOUR08:07 - 08:54Soft warm lighting
EVENING GOLDEN HOUR17:37 - 18:23Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn06:18
Nautical Dawn06:56
Civil Dawn07:34
Sunrise08:07
DUSK (EVENING)
Sunset18:23
Civil Dusk18:57
Nautical Dusk19:35
Astronomical Dusk20:13