Sunrise and Sunset times in Helena Valley Southeast, United States 
Today:
 Sunrise: 08:11:49
|
 Sunset: 16:50:00
|
Day Length: 8h 38m 11s
Time zone: America/Denver, UTC -7 h.
Latitude: 46.6175, Longitude: -111.919
Helena Valley Southeast
Montana, United States 
7 517 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:51:51 | 12:16:54 | 16:41:57 | 8h 50m 6s |
| 2025-Dec-02, Tuesday | 07:53:01 | 12:17:17 | 16:41:33 | 8h 48m 32s |
| 2025-Dec-03, Wednesday | 07:54:09 | 12:17:41 | 16:41:12 | 8h 47m 3s |
| 2025-Dec-04, Thursday | 07:55:16 | 12:18:05 | 16:40:54 | 8h 45m 38s |
| 2025-Dec-05, Friday | 07:56:21 | 12:18:30 | 16:40:39 | 8h 44m 18s |
| 2025-Dec-06, Saturday | 07:57:25 | 12:18:55 | 16:40:26 | 8h 43m 1s |
| 2025-Dec-07, Sunday | 07:58:26 | 12:19:21 | 16:40:16 | 8h 41m 50s |
| 2025-Dec-08, Monday | 07:59:26 | 12:19:48 | 16:40:09 | 8h 40m 43s |
| 2025-Dec-09, Tuesday | 08:00:24 | 12:20:15 | 16:40:05 | 8h 39m 41s |
| 2025-Dec-10, Wednesday | 08:01:20 | 12:20:42 | 16:40:03 | 8h 38m 43s |
| 2025-Dec-11, Thursday | 08:02:14 | 12:21:09 | 16:40:05 | 8h 37m 51s |
| 2025-Dec-12, Friday | 08:03:06 | 12:21:37 | 16:40:09 | 8h 37m 3s |
| 2025-Dec-13, Saturday | 08:03:56 | 12:22:06 | 16:40:16 | 8h 36m 20s |
| 2025-Dec-14, Sunday | 08:04:43 | 12:22:35 | 16:40:26 | 8h 35m 43s |
| 2025-Dec-15, Monday | 08:05:28 | 12:23:03 | 16:40:39 | 8h 35m 11s |
| 2025-Dec-16, Tuesday | 08:06:11 | 12:23:33 | 16:40:54 | 8h 34m 43s |
| 2025-Dec-17, Wednesday | 08:06:52 | 12:24:02 | 16:41:12 | 8h 34m 20s |
| 2025-Dec-18, Thursday | 08:07:30 | 12:24:31 | 16:41:33 | 8h 34m 3s |
| 2025-Dec-19, Friday | 08:08:06 | 12:25:01 | 16:41:57 | 8h 33m 51s |
| 2025-Dec-20, Saturday | 08:08:39 | 12:25:31 | 16:42:23 | 8h 33m 44s |
| 2025-Dec-21, Sunday | 08:09:09 | 12:26:01 | 16:42:52 | 8h 33m 43s |
| 2025-Dec-22, Monday | 08:09:37 | 12:26:30 | 16:43:24 | 8h 33m 47s |
| 2025-Dec-23, Tuesday | 08:10:03 | 12:27:00 | 16:43:58 | 8h 33m 55s |
| 2025-Dec-24, Wednesday | 08:10:26 | 12:27:30 | 16:44:35 | 8h 34m 9s |
| 2025-Dec-25, Thursday | 08:10:46 | 12:28:00 | 16:45:14 | 8h 34m 28s |
| 2025-Dec-26, Friday | 08:11:03 | 12:28:29 | 16:45:56 | 8h 34m 53s |
| 2025-Dec-27, Saturday | 08:11:18 | 12:28:59 | 16:46:40 | 8h 35m 22s |
| 2025-Dec-28, Sunday | 08:11:30 | 12:29:28 | 16:47:27 | 8h 35m 57s |
| 2025-Dec-29, Monday | 08:11:39 | 12:29:57 | 16:48:16 | 8h 36m 37s |
| 2025-Dec-30, Tuesday | 08:11:46 | 12:30:26 | 16:49:07 | 8h 37m 21s |
| 2025-Dec-31, Wednesday | 08:11:49 | 12:30:55 | 16:50:00 | 8h 38m 11s |
Day length in Helena Valley Southeast during the year on the chart:
Helena Valley Southeast 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