Sunrise and Sunset times in Acton, United States 
Acton
Montana
Time zone: America/Denver, UTC -6 h.
Latitude: 45.9305, Longitude: -108.681
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jul-01, Tuesday | 05:28:32 | 13:18:44 | 21:08:55 | 15h 40m 23s |
| 2025-Jul-02, Wednesday | 05:29:09 | 13:18:55 | 21:08:41 | 15h 39m 32s |
| 2025-Jul-03, Thursday | 05:29:47 | 13:19:06 | 21:08:24 | 15h 38m 37s |
| 2025-Jul-04, Friday | 05:30:28 | 13:19:16 | 21:08:05 | 15h 37m 37s |
| 2025-Jul-05, Saturday | 05:31:10 | 13:19:27 | 21:07:44 | 15h 36m 34s |
| 2025-Jul-06, Sunday | 05:31:54 | 13:19:37 | 21:07:20 | 15h 35m 26s |
| 2025-Jul-07, Monday | 05:32:39 | 13:19:46 | 21:06:53 | 15h 34m 14s |
| 2025-Jul-08, Tuesday | 05:33:26 | 13:19:55 | 21:06:25 | 15h 32m 59s |
| 2025-Jul-09, Wednesday | 05:34:15 | 13:20:04 | 21:05:53 | 15h 31m 38s |
| 2025-Jul-10, Thursday | 05:35:05 | 13:20:12 | 21:05:20 | 15h 30m 15s |
| 2025-Jul-11, Friday | 05:35:57 | 13:20:20 | 21:04:44 | 15h 28m 47s |
| 2025-Jul-12, Saturday | 05:36:50 | 13:20:28 | 21:04:06 | 15h 27m 16s |
| 2025-Jul-13, Sunday | 05:37:44 | 13:20:35 | 21:03:25 | 15h 25m 41s |
| 2025-Jul-14, Monday | 05:38:40 | 13:20:41 | 21:02:43 | 15h 24m 3s |
| 2025-Jul-15, Tuesday | 05:39:37 | 13:20:47 | 21:01:58 | 15h 22m 21s |
| 2025-Jul-16, Wednesday | 05:40:35 | 13:20:53 | 21:01:10 | 15h 20m 35s |
| 2025-Jul-17, Thursday | 05:41:34 | 13:20:58 | 21:00:21 | 15h 18m 47s |
| 2025-Jul-18, Friday | 05:42:35 | 13:21:02 | 20:59:29 | 15h 16m 54s |
| 2025-Jul-19, Saturday | 05:43:36 | 13:21:06 | 20:58:35 | 15h 14m 59s |
| 2025-Jul-20, Sunday | 05:44:39 | 13:21:09 | 20:57:39 | 15h 13m 0s |
| 2025-Jul-21, Monday | 05:45:42 | 13:21:12 | 20:56:41 | 15h 10m 59s |
| 2025-Jul-22, Tuesday | 05:46:46 | 13:21:14 | 20:55:41 | 15h 8m 55s |
| 2025-Jul-23, Wednesday | 05:47:51 | 13:21:15 | 20:54:39 | 15h 6m 48s |
| 2025-Jul-24, Thursday | 05:48:57 | 13:21:16 | 20:53:35 | 15h 4m 38s |
| 2025-Jul-25, Friday | 05:50:04 | 13:21:17 | 20:52:29 | 15h 2m 25s |
| 2025-Jul-26, Saturday | 05:51:12 | 13:21:16 | 20:51:21 | 15h 0m 9s |
| 2025-Jul-27, Sunday | 05:52:20 | 13:21:16 | 20:50:12 | 14h 57m 52s |
| 2025-Jul-28, Monday | 05:53:28 | 13:21:14 | 20:49:00 | 14h 55m 32s |
| 2025-Jul-29, Tuesday | 05:54:38 | 13:21:12 | 20:47:47 | 14h 53m 9s |
| 2025-Jul-30, Wednesday | 05:55:48 | 13:21:10 | 20:46:31 | 14h 50m 43s |
| 2025-Jul-31, Thursday | 05:56:58 | 13:21:06 | 20:45:15 | 14h 48m 17s |
Acton 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), 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)
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