Sunrise and Sunset times in Castle Rock, United States 
Today:
 Sunrise: 07:13:59
|
 Sunset: 18:14:34
|
Day Length: 11h 0m 35s
Time zone: America/Denver, UTC -6 h.
Latitude: 39.3762, Longitude: -104.854
Castle Rock
🌤 Possibly a moderately beautiful sunset.
Colorado, United States 
62 276 people
Current temperature 12 ° C 
Partly cloudy
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Oct-01, Wednesday | 06:56:01 | 12:48:53 | 18:41:45 | 11h 45m 44s |
| 2025-Oct-02, Thursday | 06:56:59 | 12:48:34 | 18:40:10 | 11h 43m 11s |
| 2025-Oct-03, Friday | 06:57:57 | 12:48:16 | 18:38:35 | 11h 40m 38s |
| 2025-Oct-04, Saturday | 06:58:54 | 12:47:57 | 18:37:00 | 11h 38m 6s |
| 2025-Oct-05, Sunday | 06:59:53 | 12:47:39 | 18:35:26 | 11h 35m 33s |
| 2025-Oct-06, Monday | 07:00:51 | 12:47:22 | 18:33:52 | 11h 33m 1s |
| 2025-Oct-07, Tuesday | 07:01:50 | 12:47:04 | 18:32:19 | 11h 30m 29s |
| 2025-Oct-08, Wednesday | 07:02:49 | 12:46:48 | 18:30:46 | 11h 27m 57s |
| 2025-Oct-09, Thursday | 07:03:48 | 12:46:31 | 18:29:14 | 11h 25m 26s |
| 2025-Oct-10, Friday | 07:04:48 | 12:46:15 | 18:27:43 | 11h 22m 55s |
| 2025-Oct-11, Saturday | 07:05:48 | 12:46:00 | 18:26:12 | 11h 20m 24s |
| 2025-Oct-12, Sunday | 07:06:48 | 12:45:45 | 18:24:42 | 11h 17m 54s |
| 2025-Oct-13, Monday | 07:07:49 | 12:45:31 | 18:23:13 | 11h 15m 24s |
| 2025-Oct-14, Tuesday | 07:08:50 | 12:45:17 | 18:21:44 | 11h 12m 54s |
| 2025-Oct-15, Wednesday | 07:09:51 | 12:45:04 | 18:20:17 | 11h 10m 26s |
| 2025-Oct-16, Thursday | 07:10:52 | 12:44:51 | 18:18:50 | 11h 7m 58s |
| 2025-Oct-17, Friday | 07:11:54 | 12:44:39 | 18:17:23 | 11h 5m 29s |
| 2025-Oct-18, Saturday | 07:12:57 | 12:44:27 | 18:15:58 | 11h 3m 1s |
| 2025-Oct-19, Sunday | 07:13:59 | 12:44:16 | 18:14:34 | 11h 0m 35s |
| 2025-Oct-20, Monday | 07:15:02 | 12:44:06 | 18:13:10 | 10h 58m 8s |
| 2025-Oct-21, Tuesday | 07:16:05 | 12:43:57 | 18:11:48 | 10h 55m 43s |
| 2025-Oct-22, Wednesday | 07:17:09 | 12:43:48 | 18:10:27 | 10h 53m 18s |
| 2025-Oct-23, Thursday | 07:18:13 | 12:43:40 | 18:09:06 | 10h 50m 53s |
| 2025-Oct-24, Friday | 07:19:17 | 12:43:32 | 18:07:47 | 10h 48m 30s |
| 2025-Oct-25, Saturday | 07:20:22 | 12:43:25 | 18:06:29 | 10h 46m 7s |
| 2025-Oct-26, Sunday | 07:21:26 | 12:43:19 | 18:05:12 | 10h 43m 46s |
| 2025-Oct-27, Monday | 07:22:32 | 12:43:14 | 18:03:56 | 10h 41m 24s |
| 2025-Oct-28, Tuesday | 07:23:37 | 12:43:09 | 18:02:41 | 10h 39m 4s |
| 2025-Oct-29, Wednesday | 07:24:43 | 12:43:05 | 18:01:28 | 10h 36m 45s |
| 2025-Oct-30, Thursday | 07:25:49 | 12:43:02 | 18:00:16 | 10h 34m 27s |
| 2025-Oct-31, Friday | 07:26:55 | 12:43:00 | 17:59:05 | 10h 32m 10s |
Day length in Castle Rock during the year on the chart:
Castle Rock 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