Sunrise and Sunset times in Castle Pines, United States 
Today:
 Sunrise: 07:03:55
|
 Sunset: 16:35:51
|
Day Length: 9h 31m 56s
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 |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:01:04 | 11:48:42 | 16:36:20 | 9h 35m 16s |
| 2025-Dec-02, Tuesday | 07:02:02 | 11:49:05 | 16:36:08 | 9h 34m 6s |
| 2025-Dec-03, Wednesday | 07:02:59 | 11:49:29 | 16:35:58 | 9h 32m 59s |
| 2025-Dec-04, Thursday | 07:03:55 | 11:49:53 | 16:35:51 | 9h 31m 56s |
| 2025-Dec-05, Friday | 07:04:50 | 11:50:18 | 16:35:46 | 9h 30m 56s |
| 2025-Dec-06, Saturday | 07:05:44 | 11:50:43 | 16:35:43 | 9h 29m 59s |
| 2025-Dec-07, Sunday | 07:06:37 | 11:51:09 | 16:35:42 | 9h 29m 5s |
| 2025-Dec-08, Monday | 07:07:28 | 11:51:36 | 16:35:43 | 9h 28m 15s |
| 2025-Dec-09, Tuesday | 07:08:18 | 11:52:02 | 16:35:47 | 9h 27m 29s |
| 2025-Dec-10, Wednesday | 07:09:07 | 11:52:30 | 16:35:53 | 9h 26m 46s |
| 2025-Dec-11, Thursday | 07:09:54 | 11:52:57 | 16:36:01 | 9h 26m 7s |
| 2025-Dec-12, Friday | 07:10:40 | 11:53:25 | 16:36:11 | 9h 25m 31s |
| 2025-Dec-13, Saturday | 07:11:24 | 11:53:54 | 16:36:23 | 9h 24m 59s |
| 2025-Dec-14, Sunday | 07:12:07 | 11:54:22 | 16:36:38 | 9h 24m 31s |
| 2025-Dec-15, Monday | 07:12:48 | 11:54:51 | 16:36:55 | 9h 24m 7s |
| 2025-Dec-16, Tuesday | 07:13:27 | 11:55:20 | 16:37:14 | 9h 23m 47s |
| 2025-Dec-17, Wednesday | 07:14:05 | 11:55:50 | 16:37:35 | 9h 23m 30s |
| 2025-Dec-18, Thursday | 07:14:41 | 11:56:19 | 16:37:58 | 9h 23m 17s |
| 2025-Dec-19, Friday | 07:15:15 | 11:56:49 | 16:38:23 | 9h 23m 8s |
| 2025-Dec-20, Saturday | 07:15:47 | 11:57:19 | 16:38:50 | 9h 23m 3s |
| 2025-Dec-21, Sunday | 07:16:18 | 11:57:49 | 16:39:19 | 9h 23m 1s |
| 2025-Dec-22, Monday | 07:16:46 | 11:58:18 | 16:39:50 | 9h 23m 4s |
| 2025-Dec-23, Tuesday | 07:17:13 | 11:58:48 | 16:40:24 | 9h 23m 11s |
| 2025-Dec-24, Wednesday | 07:17:38 | 11:59:18 | 16:40:59 | 9h 23m 21s |
| 2025-Dec-25, Thursday | 07:18:00 | 11:59:48 | 16:41:35 | 9h 23m 35s |
| 2025-Dec-26, Friday | 07:18:21 | 12:00:17 | 16:42:14 | 9h 23m 53s |
| 2025-Dec-27, Saturday | 07:18:39 | 12:00:47 | 16:42:54 | 9h 24m 15s |
| 2025-Dec-28, Sunday | 07:18:56 | 12:01:16 | 16:43:37 | 9h 24m 41s |
| 2025-Dec-29, Monday | 07:19:10 | 12:01:45 | 16:44:20 | 9h 25m 10s |
| 2025-Dec-30, Tuesday | 07:19:22 | 12:02:14 | 16:45:06 | 9h 25m 44s |
| 2025-Dec-31, Wednesday | 07:19:32 | 12:02:43 | 16:45:53 | 9h 26m 21s |
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