Sunrise and Sunset times in Fort Collins, United States 
Fort Collins
Colorado
Time zone: America/Denver, UTC -6 h.
Latitude: 40.5475, Longitude: -105.065
303 184 people
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jun-01, Sunday | 05:31:28 | 12:58:12 | 20:24:56 | 14h 53m 28s |
| 2025-Jun-02, Monday | 05:31:04 | 12:58:22 | 20:25:39 | 14h 54m 35s |
| 2025-Jun-03, Tuesday | 05:30:43 | 12:58:32 | 20:26:20 | 14h 55m 37s |
| 2025-Jun-04, Wednesday | 05:30:24 | 12:58:42 | 20:27:01 | 14h 56m 37s |
| 2025-Jun-05, Thursday | 05:30:06 | 12:58:53 | 20:27:39 | 14h 57m 33s |
| 2025-Jun-06, Friday | 05:29:51 | 12:59:04 | 20:28:17 | 14h 58m 26s |
| 2025-Jun-07, Saturday | 05:29:37 | 12:59:15 | 20:28:53 | 14h 59m 16s |
| 2025-Jun-08, Sunday | 05:29:26 | 12:59:27 | 20:29:28 | 15h 0m 2s |
| 2025-Jun-09, Monday | 05:29:16 | 12:59:38 | 20:30:01 | 15h 0m 45s |
| 2025-Jun-10, Tuesday | 05:29:08 | 12:59:51 | 20:30:33 | 15h 1m 25s |
| 2025-Jun-11, Wednesday | 05:29:03 | 13:00:03 | 20:31:03 | 15h 2m 0s |
| 2025-Jun-12, Thursday | 05:28:59 | 13:00:15 | 20:31:31 | 15h 2m 32s |
| 2025-Jun-13, Friday | 05:28:58 | 13:00:28 | 20:31:58 | 15h 3m 0s |
| 2025-Jun-14, Saturday | 05:28:58 | 13:00:41 | 20:32:23 | 15h 3m 25s |
| 2025-Jun-15, Sunday | 05:29:00 | 13:00:53 | 20:32:47 | 15h 3m 47s |
| 2025-Jun-16, Monday | 05:29:04 | 13:01:06 | 20:33:09 | 15h 4m 5s |
| 2025-Jun-17, Tuesday | 05:29:10 | 13:01:19 | 20:33:29 | 15h 4m 19s |
| 2025-Jun-18, Wednesday | 05:29:18 | 13:01:32 | 20:33:47 | 15h 4m 29s |
| 2025-Jun-19, Thursday | 05:29:28 | 13:01:46 | 20:34:03 | 15h 4m 35s |
| 2025-Jun-20, Friday | 05:29:39 | 13:01:59 | 20:34:18 | 15h 4m 39s |
| 2025-Jun-21, Saturday | 05:29:53 | 13:02:12 | 20:34:31 | 15h 4m 38s |
| 2025-Jun-22, Sunday | 05:30:08 | 13:02:25 | 20:34:41 | 15h 4m 33s |
| 2025-Jun-23, Monday | 05:30:25 | 13:02:38 | 20:34:50 | 15h 4m 25s |
| 2025-Jun-24, Tuesday | 05:30:44 | 13:02:50 | 20:34:57 | 15h 4m 13s |
| 2025-Jun-25, Wednesday | 05:31:04 | 13:03:03 | 20:35:02 | 15h 3m 58s |
| 2025-Jun-26, Thursday | 05:31:26 | 13:03:16 | 20:35:05 | 15h 3m 39s |
| 2025-Jun-27, Friday | 05:31:50 | 13:03:28 | 20:35:06 | 15h 3m 16s |
| 2025-Jun-28, Saturday | 05:32:15 | 13:03:40 | 20:35:05 | 15h 2m 50s |
| 2025-Jun-29, Sunday | 05:32:42 | 13:03:52 | 20:35:03 | 15h 2m 21s |
| 2025-Jun-30, Monday | 05:33:11 | 13:04:04 | 20:34:58 | 15h 1m 47s |
Fort Collins on United States map:
Cities 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), 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), Lafayette (Colorado)
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)
Daylight Hours FAQ: 10 Most Googled Questions Answered
1. What are daylight hours?
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
2. Why are days shorter in winter and longer in summer?
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).
3. When is the longest day of the year?
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
4. When is the shortest day of the year?
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
5. How does latitude affect daylight hours?
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
6. Why do New York and Miami have different day lengths?
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
7. When are day and night equal?
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
How fast do days lengthen/shorten?
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
9. Where can I check daylight hours for my city?
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
10. Does daylight affect health?
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks