Sunrise and Sunset times in Sarnia, Canada 
Today:
 Sunrise: 07:46:29
|
 Sunset: 16:55:08
|
Day Length: 9h 8m 39s
Time zone: America/Toronto, UTC -5 h.
Latitude: 42.9666, Longitude: -82.4
Sarnia
Ontario, Canada 
144 172 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:41:25 | 12:18:47 | 16:56:10 | 9h 14m 45s |
| 2025-Dec-02, Tuesday | 07:42:28 | 12:19:10 | 16:55:53 | 9h 13m 25s |
| 2025-Dec-03, Wednesday | 07:43:31 | 12:19:34 | 16:55:38 | 9h 12m 7s |
| 2025-Dec-04, Thursday | 07:44:32 | 12:19:58 | 16:55:25 | 9h 10m 53s |
| 2025-Dec-05, Friday | 07:45:31 | 12:20:23 | 16:55:15 | 9h 9m 44s |
| 2025-Dec-06, Saturday | 07:46:29 | 12:20:49 | 16:55:08 | 9h 8m 39s |
| 2025-Dec-07, Sunday | 07:47:26 | 12:21:15 | 16:55:03 | 9h 7m 37s |
| 2025-Dec-08, Monday | 07:48:21 | 12:21:41 | 16:55:00 | 9h 6m 39s |
| 2025-Dec-09, Tuesday | 07:49:15 | 12:22:08 | 16:55:00 | 9h 5m 45s |
| 2025-Dec-10, Wednesday | 07:50:07 | 12:22:35 | 16:55:03 | 9h 4m 56s |
| 2025-Dec-11, Thursday | 07:50:58 | 12:23:03 | 16:55:08 | 9h 4m 10s |
| 2025-Dec-12, Friday | 07:51:46 | 12:23:31 | 16:55:15 | 9h 3m 29s |
| 2025-Dec-13, Saturday | 07:52:33 | 12:23:59 | 16:55:25 | 9h 2m 52s |
| 2025-Dec-14, Sunday | 07:53:18 | 12:24:28 | 16:55:37 | 9h 2m 19s |
| 2025-Dec-15, Monday | 07:54:01 | 12:24:56 | 16:55:52 | 9h 1m 51s |
| 2025-Dec-16, Tuesday | 07:54:42 | 12:25:26 | 16:56:09 | 9h 1m 27s |
| 2025-Dec-17, Wednesday | 07:55:21 | 12:25:55 | 16:56:29 | 9h 1m 8s |
| 2025-Dec-18, Thursday | 07:55:58 | 12:26:24 | 16:56:51 | 9h 0m 53s |
| 2025-Dec-19, Friday | 07:56:33 | 12:26:54 | 16:57:15 | 9h 0m 42s |
| 2025-Dec-20, Saturday | 07:57:06 | 12:27:24 | 16:57:42 | 9h 0m 36s |
| 2025-Dec-21, Sunday | 07:57:37 | 12:27:54 | 16:58:11 | 9h 0m 34s |
| 2025-Dec-22, Monday | 07:58:05 | 12:28:23 | 16:58:42 | 9h 0m 37s |
| 2025-Dec-23, Tuesday | 07:58:31 | 12:28:53 | 16:59:15 | 9h 0m 44s |
| 2025-Dec-24, Wednesday | 07:58:55 | 12:29:23 | 16:59:51 | 9h 0m 56s |
| 2025-Dec-25, Thursday | 07:59:17 | 12:29:53 | 17:00:29 | 9h 1m 12s |
| 2025-Dec-26, Friday | 07:59:36 | 12:30:22 | 17:01:08 | 9h 1m 32s |
| 2025-Dec-27, Saturday | 07:59:53 | 12:30:52 | 17:01:50 | 9h 1m 57s |
| 2025-Dec-28, Sunday | 08:00:08 | 12:31:21 | 17:02:34 | 9h 2m 26s |
| 2025-Dec-29, Monday | 08:00:20 | 12:31:50 | 17:03:20 | 9h 3m 0s |
| 2025-Dec-30, Tuesday | 08:00:30 | 12:32:19 | 17:04:08 | 9h 3m 38s |
| 2025-Dec-31, Wednesday | 08:00:38 | 12:32:48 | 17:04:58 | 9h 4m 20s |
Day length in Sarnia during the year on the chart:
Sarnia on Canada map:
Locations in the same time zone America/Toronto
Toronto (Ontario), Hamilton (Ontario), Oshawa (Ontario), Kitchener (Ontario), London (Ontario), Windsor (Ontario), Barrie (Ontario), Sudbury (Ontario), Kingston (Ontario), Peterborough (Ontario), North Bay (Ontario), Niagara Falls (New York), Belleville (Ontario), Orillia (Ontario), Orangeville (Ontario), Rouyn-Noranda (Québec), Owen Sound (Ontario), Grosse Pointe Park (Michigan), Ogdensburg (New York), Grandyle Village (New York), Grosse Pointe (Michigan), Cochrane (Ontario), Village of Grosse Pointe Shores (Michigan), Lewiston (New York), Wawa (Ontario), Waddington (New York), Morristown (New York)
Largest populated areas in Canada
Toronto (Ontario), Montreal (Québec), Vancouver (British Columbia), Ottawa (Ontario), Calgary (Alberta), Edmonton (Alberta), Hamilton (Ontario), Winnipeg (Manitoba), Quebec (Québec), Oshawa (Ontario), Kitchener (Ontario), Halifax (Nova Scotia), London (Ontario), Windsor (Ontario), Victoria (British Columbia), Saskatoon (Saskatchewan), Barrie (Ontario), Regina (Saskatchewan), Sudbury (Ontario), Abbotsford (British Columbia), Sherbrooke (Québec), Saint John's (Newfoundland and Labrador), Kelowna (British Columbia), Trois-Rivieres (Québec), Kingston (Ontario), Thunder Bay (Ontario), Moncton (New Brunswick), Saint John (New Brunswick), Nanaimo (British Columbia), Peterborough (Ontario)
Countries closest to Canada
*Calculation of distances from capital to capital
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks