Sunrise and Sunset times in St. Mary's, United States 
Today:
 Sunrise: 07:08:02
|
 Sunset: 16:37:57
|
Day Length: 9h 29m 55s
Time zone: America/Denver, UTC -7 h.
Latitude: 39.8163, Longitude: -105.648
St. Mary's
Colorado, United States 
377 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:05:09 | 11:51:48 | 16:38:27 | 9h 33m 18s |
| 2025-Dec-02, Tuesday | 07:06:08 | 11:52:12 | 16:38:15 | 9h 32m 7s |
| 2025-Dec-03, Wednesday | 07:07:06 | 11:52:35 | 16:38:05 | 9h 30m 59s |
| 2025-Dec-04, Thursday | 07:08:02 | 11:53:00 | 16:37:57 | 9h 29m 55s |
| 2025-Dec-05, Friday | 07:08:58 | 11:53:24 | 16:37:51 | 9h 28m 53s |
| 2025-Dec-06, Saturday | 07:09:52 | 11:53:50 | 16:37:48 | 9h 27m 56s |
| 2025-Dec-07, Sunday | 07:10:45 | 11:54:16 | 16:37:47 | 9h 27m 2s |
| 2025-Dec-08, Monday | 07:11:37 | 11:54:42 | 16:37:48 | 9h 26m 11s |
| 2025-Dec-09, Tuesday | 07:12:27 | 11:55:09 | 16:37:51 | 9h 25m 24s |
| 2025-Dec-10, Wednesday | 07:13:16 | 11:55:36 | 16:37:56 | 9h 24m 40s |
| 2025-Dec-11, Thursday | 07:14:04 | 11:56:04 | 16:38:04 | 9h 24m 0s |
| 2025-Dec-12, Friday | 07:14:50 | 11:56:32 | 16:38:14 | 9h 23m 24s |
| 2025-Dec-13, Saturday | 07:15:34 | 11:57:00 | 16:38:26 | 9h 22m 52s |
| 2025-Dec-14, Sunday | 07:16:17 | 11:57:29 | 16:38:41 | 9h 22m 24s |
| 2025-Dec-15, Monday | 07:16:58 | 11:57:58 | 16:38:57 | 9h 21m 59s |
| 2025-Dec-16, Tuesday | 07:17:38 | 11:58:27 | 16:39:16 | 9h 21m 38s |
| 2025-Dec-17, Wednesday | 07:18:16 | 11:58:56 | 16:39:37 | 9h 21m 21s |
| 2025-Dec-18, Thursday | 07:18:52 | 11:59:26 | 16:40:00 | 9h 21m 8s |
| 2025-Dec-19, Friday | 07:19:26 | 11:59:56 | 16:40:25 | 9h 20m 59s |
| 2025-Dec-20, Saturday | 07:19:58 | 12:00:25 | 16:40:52 | 9h 20m 54s |
| 2025-Dec-21, Sunday | 07:20:29 | 12:00:55 | 16:41:22 | 9h 20m 53s |
| 2025-Dec-22, Monday | 07:20:57 | 12:01:25 | 16:41:53 | 9h 20m 56s |
| 2025-Dec-23, Tuesday | 07:21:24 | 12:01:55 | 16:42:26 | 9h 21m 2s |
| 2025-Dec-24, Wednesday | 07:21:48 | 12:02:25 | 16:43:01 | 9h 21m 13s |
| 2025-Dec-25, Thursday | 07:22:11 | 12:02:54 | 16:43:38 | 9h 21m 27s |
| 2025-Dec-26, Friday | 07:22:31 | 12:03:24 | 16:44:17 | 9h 21m 46s |
| 2025-Dec-27, Saturday | 07:22:50 | 12:03:53 | 16:44:57 | 9h 22m 7s |
| 2025-Dec-28, Sunday | 07:23:06 | 12:04:23 | 16:45:39 | 9h 22m 33s |
| 2025-Dec-29, Monday | 07:23:20 | 12:04:52 | 16:46:23 | 9h 23m 3s |
| 2025-Dec-30, Tuesday | 07:23:32 | 12:05:21 | 16:47:09 | 9h 23m 37s |
| 2025-Dec-31, Wednesday | 07:23:42 | 12:05:49 | 16:47:56 | 9h 24m 14s |
Day length in St. Mary's during the year on the chart:
St. Mary's on United States map:
Locations in the same time zone America/Denver
Denver (Colorado), Salt Lake City (Utah), El Paso (Texas), Albuquerque (New Mexico), Colorado Springs (Colorado), Ogden (Utah), Provo (Utah), Aurora (Colorado), Fort Collins (Colorado), Lakewood (Colorado), Pueblo (Colorado), Thornton (Colorado), Grand Junction (Colorado), West Valley City (Utah), Las Cruces (New Mexico), Greeley (Colorado), Boulder (Colorado), Billings (Montana), Arvada (Colorado), St. George (Utah), West Jordan (Utah), Westminster (Colorado), Centennial (Colorado), Santa Fe (New Mexico), Highlands Ranch (Colorado), Logan (Utah), Longmont (Colorado), Orem (Utah), Rio Rancho (New Mexico), Sandy (Utah)
Largest populated areas in United States
New York (New York), Los Angeles (California), Chicago (Illinois), Miami (Florida), Dallas (Texas), Philadelphia (Pennsylvania), Houston (Texas), Washington (District of Columbia), Atlanta (Georgia), Boston (Massachusetts), Phoenix (Arizona), Seattle (Washington), San Francisco (California), Detroit (Michigan), San Diego (California), Minneapolis (Minnesota), Tampa (Florida), Denver (Colorado), Brooklyn (New York), Queens (New York), Baltimore (Maryland), Riverside (California), St. Louis (Missouri), Las Vegas (Nevada), Portland (Oregon), San Antonio (Texas), Sacramento (California), San Jose (California), Orlando (Florida), Cleveland (Ohio)
Countries closest to United States
*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