What time is sunset in Sarnia today?

Sunset in Sarnia is at 7:00 PM local time (America/Toronto) on 2026-10-07.

What phase is the Moon tonight in Sarnia?

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

Astronomical twilight ends at 8:34 PM local time, so the sky is fully dark from then until 6:00 AM.

Moonrise in Sarnia is at 4:07 AM and moonset is at 5:34 PM local time.

The aurora is possible from Sarnia if the sky is dark and clear; planetary Kp is 1.0.

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Kp1.0

Solar wind350 km/s

X-rayC1.0

StormG0 (Quiet)

Source: NOAA SWPC

2026-10-07 · times in America/Toronto · 42.98°N, 82.40°W

Event	Time
Sunrise	7:33 AM
Sunset	7:00 PM
Day length	11 h 26 min
End of civil twilight	7:28 PM
End of nautical twilight	8:01 PM
End of astronomical twilight	8:34 PM
Night length (sunset to sunrise)	12 h 35 min
Fully dark sky tonight	9 h 26 min
Astronomical twilight starts (morning)	6:00 AM

Moonrise	4:07 AM
Moonset	5:34 PM
Illumination	9.6%
Phase	Waning Crescent
Sublunar point (Moon overhead)	7.65°N, 121.01°W
Sublunar point ground speed	1,602 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)	9:49 AM	7:44 PM	2:47 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Venus (mag -4.6)	9:59 AM	7:13 PM	2:36 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Mars (mag 1.1)	1:34 AM	4:19 PM	8:57 AM	Visible about 5 h after dark, highest 56° toward the SE.
Jupiter (mag -1.9)	2:57 AM	4:58 PM	9:58 AM	Visible about 3.8 h after dark, highest 43° toward the SE.
Saturn (mag 0.2)	6:57 PM	7:20 AM	1:11 AM	Visible about 11.5 h after dark, highest 49° toward the S.

Aurora possible

Sarnia is far enough from the equator for aurora. Planetary Kp is 1.0. Seeing it still needs a dark, clear sky.

NOAA SWPC OVATION model. Full aurora forecast