CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Catu
A live observatory for the Sun, Moon, daylight, twilight and the sky above Catu.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION12h 27m+39s compared to yesterday
NIGHT DURATION11h 33mAstronomical darkness & twilights
MORNING GOLDEN HOUR05:03 - 05:32Soft warm lighting
EVENING GOLDEN HOUR17:02 - 17:31Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn03:51
Nautical Dawn04:16
Civil Dawn04:42
Sunrise05:03
DUSK (EVENING)
Sunset17:31
Civil Dusk17:52
Nautical Dusk18:18
Astronomical Dusk18:43