Sunrise and Sunset times in Thornton, United States 
Thornton
🌤 Possibly a moderately beautiful sunset.
Colorado, United States
136 978 people
Current temperature 16 ° C 
Moderate or heavy rain with thunder
Today:
 Sunrise: 06:30:04
|
 Sunset: 19:27:50
|
Day Length: 12h 57m 46s
Time zone: America/Denver, UTC -6 h.
Latitude: 39.9205, Longitude: -104.944
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 06:28:11 | 12:59:36 | 19:31:01 | 13h 2m 50s |
| 2025-Sep-02, Tuesday | 06:29:08 | 12:59:17 | 19:29:26 | 13h 0m 18s |
| 2025-Sep-03, Wednesday | 06:30:04 | 12:58:57 | 19:27:50 | 12h 57m 46s |
| 2025-Sep-04, Thursday | 06:31:00 | 12:58:37 | 19:26:14 | 12h 55m 14s |
| 2025-Sep-05, Friday | 06:31:56 | 12:58:17 | 19:24:38 | 12h 52m 42s |
| 2025-Sep-06, Saturday | 06:32:52 | 12:57:57 | 19:23:01 | 12h 50m 9s |
| 2025-Sep-07, Sunday | 06:33:48 | 12:57:36 | 19:21:24 | 12h 47m 36s |
| 2025-Sep-08, Monday | 06:34:44 | 12:57:15 | 19:19:46 | 12h 45m 2s |
| 2025-Sep-09, Tuesday | 06:35:40 | 12:56:54 | 19:18:08 | 12h 42m 28s |
| 2025-Sep-10, Wednesday | 06:36:37 | 12:56:33 | 19:16:30 | 12h 39m 53s |
| 2025-Sep-11, Thursday | 06:37:33 | 12:56:12 | 19:14:52 | 12h 37m 19s |
| 2025-Sep-12, Friday | 06:38:29 | 12:55:51 | 19:13:13 | 12h 34m 44s |
| 2025-Sep-13, Saturday | 06:39:25 | 12:55:30 | 19:11:34 | 12h 32m 9s |
| 2025-Sep-14, Sunday | 06:40:21 | 12:55:08 | 19:09:55 | 12h 29m 34s |
| 2025-Sep-15, Monday | 06:41:18 | 12:54:47 | 19:08:16 | 12h 26m 58s |
| 2025-Sep-16, Tuesday | 06:42:14 | 12:54:25 | 19:06:37 | 12h 24m 23s |
| 2025-Sep-17, Wednesday | 06:43:10 | 12:54:04 | 19:04:58 | 12h 21m 48s |
| 2025-Sep-18, Thursday | 06:44:07 | 12:53:43 | 19:03:18 | 12h 19m 11s |
| 2025-Sep-19, Friday | 06:45:03 | 12:53:21 | 19:01:39 | 12h 16m 36s |
| 2025-Sep-20, Saturday | 06:46:00 | 12:53:00 | 18:59:59 | 12h 13m 59s |
| 2025-Sep-21, Sunday | 06:46:57 | 12:52:39 | 18:58:20 | 12h 11m 23s |
| 2025-Sep-22, Monday | 06:47:54 | 12:52:17 | 18:56:41 | 12h 8m 47s |
| 2025-Sep-23, Tuesday | 06:48:51 | 12:51:56 | 18:55:02 | 12h 6m 11s |
| 2025-Sep-24, Wednesday | 06:49:48 | 12:51:35 | 18:53:23 | 12h 3m 35s |
| 2025-Sep-25, Thursday | 06:50:46 | 12:51:15 | 18:51:44 | 12h 0m 58s |
| 2025-Sep-26, Friday | 06:51:43 | 12:50:54 | 18:50:05 | 11h 58m 22s |
| 2025-Sep-27, Saturday | 06:52:41 | 12:50:34 | 18:48:26 | 11h 55m 45s |
| 2025-Sep-28, Sunday | 06:53:39 | 12:50:14 | 18:46:48 | 11h 53m 9s |
| 2025-Sep-29, Monday | 06:54:37 | 12:49:54 | 18:45:10 | 11h 50m 33s |
| 2025-Sep-30, Tuesday | 06:55:36 | 12:49:34 | 18:43:33 | 11h 47m 57s |
Day length in Thornton during the year on the chart:
Thornton 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), 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
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