Sunrise and Sunset times in Thunder Bay, Canada 
Today:
 Sunrise: 08:43:48
|
 Sunset: 17:03:03
|
Day Length: 8h 19m 15s
Time zone: America/Thunder_Bay, UTC -5 h.
Latitude: 48.4462, Longitude: -89.275
Thunder Bay
Ontario, Canada 
99 334 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 08:28:05 | 12:46:18 | 17:04:30 | 8h 36m 25s |
| 2025-Dec-02, Tuesday | 08:29:19 | 12:46:41 | 17:04:03 | 8h 34m 44s |
| 2025-Dec-03, Wednesday | 08:30:31 | 12:47:05 | 17:03:38 | 8h 33m 7s |
| 2025-Dec-04, Thursday | 08:31:42 | 12:47:29 | 17:03:16 | 8h 31m 34s |
| 2025-Dec-05, Friday | 08:32:50 | 12:47:54 | 17:02:57 | 8h 30m 7s |
| 2025-Dec-06, Saturday | 08:33:57 | 12:48:19 | 17:02:41 | 8h 28m 44s |
| 2025-Dec-07, Sunday | 08:35:02 | 12:48:45 | 17:02:28 | 8h 27m 26s |
| 2025-Dec-08, Monday | 08:36:05 | 12:49:11 | 17:02:18 | 8h 26m 13s |
| 2025-Dec-09, Tuesday | 08:37:05 | 12:49:38 | 17:02:11 | 8h 25m 6s |
| 2025-Dec-10, Wednesday | 08:38:04 | 12:50:06 | 17:02:07 | 8h 24m 3s |
| 2025-Dec-11, Thursday | 08:39:00 | 12:50:33 | 17:02:06 | 8h 23m 6s |
| 2025-Dec-12, Friday | 08:39:54 | 12:51:01 | 17:02:08 | 8h 22m 14s |
| 2025-Dec-13, Saturday | 08:40:46 | 12:51:30 | 17:02:13 | 8h 21m 27s |
| 2025-Dec-14, Sunday | 08:41:35 | 12:51:58 | 17:02:21 | 8h 20m 46s |
| 2025-Dec-15, Monday | 08:42:22 | 12:52:27 | 17:02:32 | 8h 20m 10s |
| 2025-Dec-16, Tuesday | 08:43:06 | 12:52:56 | 17:02:46 | 8h 19m 40s |
| 2025-Dec-17, Wednesday | 08:43:48 | 12:53:26 | 17:03:03 | 8h 19m 15s |
| 2025-Dec-18, Thursday | 08:44:27 | 12:53:55 | 17:03:23 | 8h 18m 56s |
| 2025-Dec-19, Friday | 08:45:03 | 12:54:25 | 17:03:46 | 8h 18m 43s |
| 2025-Dec-20, Saturday | 08:45:37 | 12:54:54 | 17:04:12 | 8h 18m 35s |
| 2025-Dec-21, Sunday | 08:46:07 | 12:55:24 | 17:04:41 | 8h 18m 34s |
| 2025-Dec-22, Monday | 08:46:36 | 12:55:54 | 17:05:13 | 8h 18m 37s |
| 2025-Dec-23, Tuesday | 08:47:01 | 12:56:24 | 17:05:47 | 8h 18m 46s |
| 2025-Dec-24, Wednesday | 08:47:23 | 12:56:54 | 17:06:24 | 8h 19m 1s |
| 2025-Dec-25, Thursday | 08:47:43 | 12:57:23 | 17:07:04 | 8h 19m 21s |
| 2025-Dec-26, Friday | 08:47:59 | 12:57:53 | 17:07:47 | 8h 19m 48s |
| 2025-Dec-27, Saturday | 08:48:13 | 12:58:23 | 17:08:32 | 8h 20m 19s |
| 2025-Dec-28, Sunday | 08:48:24 | 12:58:52 | 17:09:20 | 8h 20m 56s |
| 2025-Dec-29, Monday | 08:48:31 | 12:59:21 | 17:10:11 | 8h 21m 40s |
| 2025-Dec-30, Tuesday | 08:48:36 | 12:59:50 | 17:11:03 | 8h 22m 27s |
| 2025-Dec-31, Wednesday | 08:48:38 | 13:00:18 | 17:11:59 | 8h 23m 21s |
Day length in Thunder Bay during the year on the chart:
Thunder Bay on Canada map:
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), Sarnia (Ontario), Sherbrooke (Québec), Saint John's (Newfoundland and Labrador), Kelowna (British Columbia), Trois-Rivieres (Québec), Kingston (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