What time is sunset in Butte today?

Sunset in Butte is at 6:58 PM local time (America/Denver) on 2026-10-07.

What phase is the Moon tonight in Butte?

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

Astronomical twilight ends at 8:37 PM local time, so the sky is fully dark from then until 5:58 AM.

Moonrise in Butte is at 4:09 AM and moonset is at 5:39 PM local time.

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

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Kp2.7

Solar wind348 km/s

X-rayB9.8

StormG0 (Quiet)

Source: NOAA SWPC

2026-10-07 · times in America/Denver · 46.00°N, 112.53°W

Event	Time
Sunrise	7:36 AM
Sunset	6:58 PM
Day length	11 h 22 min
End of civil twilight	7:28 PM
End of nautical twilight	8:02 PM
End of astronomical twilight	8:37 PM
Night length (sunset to sunrise)	12 h 40 min
Fully dark sky tonight	9 h 21 min
Astronomical twilight starts (morning)	5:58 AM

Moonrise	4:09 AM
Moonset	5:39 PM
Illumination	9.2%
Phase	Waning Crescent
Sublunar point (Moon overhead)	7.23°N, 144.49°W
Sublunar point ground speed	1,603 km/h

Moon values are for the moment this page was generated (19:14 UTC). A moonrise or moonset can be missing on a given date.

Planet	Rise	Set	Meridian	Visibility
Mercury (mag -0.1)	9:57 AM	7:37 PM	2:48 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Venus (mag -4.6)	10:08 AM	7:04 PM	2:36 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Mars (mag 1.1)	1:25 AM	4:29 PM	8:57 AM	Visible about 5 h after dark, highest 54° toward the SE.
Jupiter (mag -1.9)	2:50 AM	5:05 PM	9:58 AM	Visible about 3.8 h after dark, highest 42° toward the SE.
Saturn (mag 0.2)	6:57 PM	7:21 AM	1:11 AM	Visible about 11.5 h after dark, highest 46° toward the S.

Aurora possible

Butte 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