Sunrise and Sunset times in Castle Pines, United States 
Today:
 Sunrise: 07:16:24
|
 Sunset: 17:03:32
|
Day Length: 9h 47m 8s
Time zone: America/Denver, UTC -7 h.
Latitude: 39.4625, Longitude: -104.871
Castle Pines
Colorado, United States 
10 523 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Jan-01, Thursday | 07:19:40 | 12:03:11 | 16:46:41 | 9h 27m 1s |
| 2026-Jan-02, Friday | 07:19:46 | 12:03:39 | 16:47:32 | 9h 27m 46s |
| 2026-Jan-03, Saturday | 07:19:50 | 12:04:06 | 16:48:23 | 9h 28m 33s |
| 2026-Jan-04, Sunday | 07:19:51 | 12:04:34 | 16:49:16 | 9h 29m 25s |
| 2026-Jan-05, Monday | 07:19:51 | 12:05:00 | 16:50:10 | 9h 30m 19s |
| 2026-Jan-06, Tuesday | 07:19:48 | 12:05:27 | 16:51:06 | 9h 31m 18s |
| 2026-Jan-07, Wednesday | 07:19:43 | 12:05:53 | 16:52:02 | 9h 32m 19s |
| 2026-Jan-08, Thursday | 07:19:35 | 12:06:18 | 16:53:00 | 9h 33m 25s |
| 2026-Jan-09, Friday | 07:19:26 | 12:06:43 | 16:53:59 | 9h 34m 33s |
| 2026-Jan-10, Saturday | 07:19:14 | 12:07:07 | 16:55:00 | 9h 35m 46s |
| 2026-Jan-11, Sunday | 07:19:01 | 12:07:31 | 16:56:01 | 9h 37m 0s |
| 2026-Jan-12, Monday | 07:18:45 | 12:07:54 | 16:57:03 | 9h 38m 18s |
| 2026-Jan-13, Tuesday | 07:18:27 | 12:08:16 | 16:58:06 | 9h 39m 39s |
| 2026-Jan-14, Wednesday | 07:18:06 | 12:08:38 | 16:59:09 | 9h 41m 3s |
| 2026-Jan-15, Thursday | 07:17:44 | 12:08:59 | 17:00:14 | 9h 42m 30s |
| 2026-Jan-16, Friday | 07:17:20 | 12:09:20 | 17:01:19 | 9h 43m 59s |
| 2026-Jan-17, Saturday | 07:16:53 | 12:09:39 | 17:02:26 | 9h 45m 33s |
| 2026-Jan-18, Sunday | 07:16:24 | 12:09:58 | 17:03:32 | 9h 47m 8s |
| 2026-Jan-19, Monday | 07:15:54 | 12:10:17 | 17:04:39 | 9h 48m 45s |
| 2026-Jan-20, Tuesday | 07:15:21 | 12:10:34 | 17:05:47 | 9h 50m 26s |
| 2026-Jan-21, Wednesday | 07:14:47 | 12:10:51 | 17:06:56 | 9h 52m 9s |
| 2026-Jan-22, Thursday | 07:14:10 | 12:11:07 | 17:08:04 | 9h 53m 54s |
| 2026-Jan-23, Friday | 07:13:31 | 12:11:22 | 17:09:14 | 9h 55m 43s |
| 2026-Jan-24, Saturday | 07:12:51 | 12:11:37 | 17:10:23 | 9h 57m 32s |
| 2026-Jan-25, Sunday | 07:12:08 | 12:11:51 | 17:11:33 | 9h 59m 25s |
| 2026-Jan-26, Monday | 07:11:24 | 12:12:04 | 17:12:43 | 10h 1m 19s |
| 2026-Jan-27, Tuesday | 07:10:38 | 12:12:16 | 17:13:53 | 10h 3m 15s |
| 2026-Jan-28, Wednesday | 07:09:50 | 12:12:27 | 17:15:04 | 10h 5m 14s |
| 2026-Jan-29, Thursday | 07:09:00 | 12:12:37 | 17:16:15 | 10h 7m 15s |
| 2026-Jan-30, Friday | 07:08:09 | 12:12:47 | 17:17:25 | 10h 9m 16s |
| 2026-Jan-31, Saturday | 07:07:16 | 12:12:56 | 17:18:36 | 10h 11m 20s |
Day length in Castle Pines during the year on the chart:
Castle Pines 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