What time is sunset in Alton today?

Sunset in Alton is at 7:13 PM local time (America/Chicago) on 2026-10-07.

What phase is the Moon tonight in Alton?

The Moon is a Waning Crescent and about 10% illuminated.

Astronomical twilight ends at 8:29 PM local time, so the sky is fully dark from then until 6:12 AM.

Moonrise in Alton is at 4:32 AM and moonset is at 5:27 PM local time.

Alton is too far from the poles for regular aurora; it would take a very strong geomagnetic storm.

Live now

Kp1.0

Solar wind350 km/s

X-rayC1.0

StormG0 (Quiet)

Source: NOAA SWPC

2026-10-07 · times in America/Chicago · 26.29°N, 98.31°W

Event	Time
Sunrise	7:28 AM
Sunset	7:13 PM
Day length	11 h 45 min
End of civil twilight	7:36 PM
End of nautical twilight	8:03 PM
End of astronomical twilight	8:29 PM
Night length (sunset to sunrise)	12 h 16 min
Fully dark sky tonight	9 h 42 min
Astronomical twilight starts (morning)	6:12 AM

Moonrise	4:32 AM
Moonset	5:27 PM
Illumination	9.6%
Phase	Waning Crescent
Sublunar point (Moon overhead)	7.65°N, 120.94°W
Sublunar point ground speed	1,601 km/h

Moon values are for the moment this page was generated (17:37 UTC). A moonrise or moonset can be missing on a given date.

Planet	Rise	Set	Meridian	Visibility
Mercury (mag -0.1)	9:22 AM	8:19 PM	2:51 PM	Visible about 0.5 h after dark, highest 8° toward the SW.
Venus (mag -4.6)	9:22 AM	7:57 PM	2:39 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Mars (mag 1.1)	2:17 AM	3:44 PM	9:00 AM	Visible about 4.3 h after dark, highest 60° toward the E.
Jupiter (mag -1.9)	3:28 AM	4:34 PM	10:01 AM	Visible about 3.3 h after dark, highest 45° toward the E.
Saturn (mag 0.2)	7:05 PM	7:19 AM	1:14 AM	Visible about 11.5 h after dark, highest 66° toward the S.

Aurora near poles only. Alton is too far from them to see regular aurora; it would take an extreme geomagnetic storm. See the live aurora forecast.