Sunset
6:28 p.m.
253° W
Ontario · Canada
Sunrise and Sunset Times Today in Sarnia, Ontario
· EDT (UTC−04:00)
Sunset in Sarnia is at 6:28 p.m. and sunrise is at 7:58 a.m.. There are 10h 30m of daylight.
Sunrise
7:58 a.m.
107° E
Daylight
10h 30m
0h 03m shorter than the previous day
Solar noon
1:13 p.m.
Sun altitude: 34.1°
Live countdown to the next sunrise or sunset
Times use the city centre and a clear, level horizon. Hills, buildings and weather can change what you see.
Tomorrow in Sarnia
Wednesday, October 28, 2026: sunset 6:27 p.m., sunrise 7:59 a.m.. Daylight: 10h 28m.
Twilight and golden hour
Morning light
- Astronomical dawn (−18°)6:23 a.m.
- Nautical dawn (−12°)6:55 a.m.
- Civil dawn (−6°)7:29 a.m.
- Golden hour (−4° to +6°)7:40 a.m. – 8:38 a.m.
Evening light
- Golden hour (+6° to −4°)5:49 p.m. – 6:46 p.m.
- Civil dusk (−6°)6:58 p.m.
- Nautical dusk (−12°)7:31 p.m.
- Astronomical dusk (−18°)8:04 p.m.
Golden hour is an approximate photography window, not a weather forecast. About twilight and light thresholds.
Local time in Sarnia
America/Toronto · EDT · UTC−04:00. Daylight saving time is in effect.
The next clock change is on Sunday, November 1, 2026, from UTC−04:00 to UTC−05:00. Times in the calendar already include this change.
Clock changes and regional exceptions in CanadaIANA timezone data 2026e. Future rules can change; corrections are welcome.
Sunrise and sunset calendar for Sarnia
| Date | Sunset | Sunrise | Daylight |
|---|---|---|---|
| 7:11 p.m. | 7:27 a.m. | 11h 44m | |
| 7:09 p.m. | 7:28 a.m. | 11h 41m | |
| 7:07 p.m. | 7:29 a.m. | 11h 38m | |
| 7:05 p.m. | 7:30 a.m. | 11h 35m | |
| 7:04 p.m. | 7:32 a.m. | 11h 32m | |
| 7:02 p.m. | 7:33 a.m. | 11h 29m | |
| 7:00 p.m. | 7:34 a.m. | 11h 26m | |
| 6:58 p.m. | 7:35 a.m. | 11h 23m | |
| 6:57 p.m. | 7:36 a.m. | 11h 21m | |
| 6:55 p.m. | 7:37 a.m. | 11h 18m | |
| 6:53 p.m. | 7:39 a.m. | 11h 15m | |
| 6:52 p.m. | 7:40 a.m. | 11h 12m | |
| 6:50 p.m. | 7:41 a.m. | 11h 09m | |
| 6:48 p.m. | 7:42 a.m. | 11h 06m | |
| 6:47 p.m. | 7:43 a.m. | 11h 04m | |
| 6:45 p.m. | 7:44 a.m. | 11h 01m | |
| 6:44 p.m. | 7:46 a.m. | 10h 58m | |
| 6:42 p.m. | 7:47 a.m. | 10h 55m | |
| 6:40 p.m. | 7:48 a.m. | 10h 52m | |
| 6:39 p.m. | 7:49 a.m. | 10h 50m | |
| 6:37 p.m. | 7:51 a.m. | 10h 47m | |
| 6:36 p.m. | 7:52 a.m. | 10h 44m | |
| 6:34 p.m. | 7:53 a.m. | 10h 41m | |
| 6:33 p.m. | 7:54 a.m. | 10h 39m | |
| 6:31 p.m. | 7:55 a.m. | 10h 36m | |
| 6:30 p.m. | 7:57 a.m. | 10h 33m | |
| 6:28 p.m. | 7:58 a.m. | 10h 30m | |
| 6:27 p.m. | 7:59 a.m. | 10h 28m | |
| 6:26 p.m. | 8:00 a.m. | 10h 25m | |
| 6:24 p.m. | 8:02 a.m. | 10h 23m | |
| 6:23 p.m. | 8:03 a.m. | 10h 20m |
About these times
- Calculation point
- 42.97866°, -82.40407°
- Place reference
- GeoNames 6141190
Sunrise and sunset use a solar-centre altitude of −0.833°, including a standard allowance for refraction and the sun’s radius. The result is rounded to the nearest minute. Terrain and unusual atmospheric conditions are not modelled.
Sources, validation and limitations