What time is sunset in Cheyenne today?

Sunset in Cheyenne is at 6:30 PM local time (America/Denver) on 2026-10-07.

What phase is the Moon tonight in Cheyenne?

The Moon is a Waning Crescent and about 9% illuminated.

Astronomical twilight ends at 8:02 PM local time, so the sky is fully dark from then until 5:31 AM.

Moonrise in Cheyenne is at 3:44 AM and moonset is at 5:03 PM local time.

The aurora is possible from Cheyenne if the sky is dark and clear; planetary Kp is 2.7.

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Kp2.7

Solar wind348 km/s

X-rayB9.5

StormG0 (Quiet)

Source: NOAA SWPC

2026-10-07 · times in America/Denver · 41.14°N, 104.82°W

Event	Time
Sunrise	7:02 AM
Sunset	6:30 PM
Day length	11 h 29 min
End of civil twilight	6:58 PM
End of nautical twilight	7:30 PM
End of astronomical twilight	8:02 PM
Night length (sunset to sunrise)	12 h 32 min
Fully dark sky tonight	9 h 30 min
Astronomical twilight starts (morning)	5:31 AM

Moonrise	3:44 AM
Moonset	5:03 PM
Illumination	9.2%
Phase	Waning Crescent
Sublunar point (Moon overhead)	7.23°N, 145.04°W
Sublunar point ground speed	1,603 km/h

Moon values are for the moment this page was generated (19:16 UTC). A moonrise or moonset can be missing on a given date.

Planet	Rise	Set	Meridian	Visibility
Mercury (mag -0.1)	9:15 AM	7:18 PM	2:17 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Venus (mag -4.6)	9:22 AM	6:48 PM	2:05 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Mars (mag 1.1)	1:09 AM	3:43 PM	8:26 AM	Visible about 5 h after dark, highest 57° toward the SE.
Jupiter (mag -1.9)	2:30 AM	4:24 PM	9:27 AM	Visible about 3.8 h after dark, highest 44° toward the E.
Saturn (mag 0.2)	6:27 PM	6:49 AM	12:40 AM	Visible about 11.5 h after dark, highest 51° toward the S.

Aurora possible

Cheyenne is far enough from the equator for aurora. Planetary Kp is 2.7. Seeing it still needs a dark, clear sky.

NOAA SWPC OVATION model. Full aurora forecast