CELESTIAL CALCULATOR & EPHEMERIS·NOAA & MEEUS
Astronomy · Chicago Loop
A live observatory for the Sun, Moon, daylight, twilight and the sky above Chicago Loop.
Daylight, Twilight & Solar Rhythm
TOTAL DAYLIGHT DURATION10h 45m-158s compared to yesterday
NIGHT DURATION13h 15mAstronomical darkness & twilights
MORNING GOLDEN HOUR07:12 - 07:50Soft warm lighting
EVENING GOLDEN HOUR17:18 - 17:56Optimum photography window
Night (≤ -18°)
Astro Twilight (-18° to -12°)
Nautical (-12° to -6°)
Civil (-6° to 0°)
Daylight (> 0°)
DAWN (MORNING)
Astronomical Dawn05:38
Nautical Dawn06:11
Civil Dawn06:43
Sunrise07:12
DUSK (EVENING)
Sunset17:56
Civil Dusk18:25
Nautical Dusk18:57
Astronomical Dusk19:29