Sunrise and Sunset times in Groton, United States 
Groton
🌤 Possibly a moderately beautiful sunset.
New Hampshire, United States
565 people
Current temperature 14 ° C 
Light rain
Today:
 Sunrise: 06:25:02
|
 Sunset: 19:01:21
|
Day Length: 12h 36m 19s
Time zone: America/New_York, UTC -4 h.
Latitude: 43.7451, Longitude: -71.86
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 06:11:34 | 12:47:18 | 19:23:01 | 13h 11m 27s |
| 2025-Sep-02, Tuesday | 06:12:41 | 12:46:58 | 19:21:15 | 13h 8m 34s |
| 2025-Sep-03, Wednesday | 06:13:49 | 12:46:39 | 19:19:29 | 13h 5m 40s |
| 2025-Sep-04, Thursday | 06:14:56 | 12:46:19 | 19:17:42 | 13h 2m 46s |
| 2025-Sep-05, Friday | 06:16:03 | 12:45:59 | 19:15:54 | 12h 59m 51s |
| 2025-Sep-06, Saturday | 06:17:10 | 12:45:38 | 19:14:06 | 12h 56m 56s |
| 2025-Sep-07, Sunday | 06:18:18 | 12:45:18 | 19:12:18 | 12h 54m 0s |
| 2025-Sep-08, Monday | 06:19:25 | 12:44:57 | 19:10:29 | 12h 51m 4s |
| 2025-Sep-09, Tuesday | 06:20:32 | 12:44:36 | 19:08:40 | 12h 48m 8s |
| 2025-Sep-10, Wednesday | 06:21:40 | 12:44:15 | 19:06:51 | 12h 45m 11s |
| 2025-Sep-11, Thursday | 06:22:47 | 12:43:54 | 19:05:01 | 12h 42m 14s |
| 2025-Sep-12, Friday | 06:23:54 | 12:43:33 | 19:03:11 | 12h 39m 17s |
| 2025-Sep-13, Saturday | 06:25:02 | 12:43:11 | 19:01:21 | 12h 36m 19s |
| 2025-Sep-14, Sunday | 06:26:09 | 12:42:50 | 18:59:31 | 12h 33m 22s |
| 2025-Sep-15, Monday | 06:27:16 | 12:42:29 | 18:57:41 | 12h 30m 25s |
| 2025-Sep-16, Tuesday | 06:28:24 | 12:42:07 | 18:55:50 | 12h 27m 26s |
| 2025-Sep-17, Wednesday | 06:29:32 | 12:41:46 | 18:54:00 | 12h 24m 28s |
| 2025-Sep-18, Thursday | 06:30:39 | 12:41:24 | 18:52:09 | 12h 21m 30s |
| 2025-Sep-19, Friday | 06:31:47 | 12:41:03 | 18:50:19 | 12h 18m 32s |
| 2025-Sep-20, Saturday | 06:32:55 | 12:40:42 | 18:48:28 | 12h 15m 33s |
| 2025-Sep-21, Sunday | 06:34:03 | 12:40:20 | 18:46:37 | 12h 12m 34s |
| 2025-Sep-22, Monday | 06:35:11 | 12:39:59 | 18:44:47 | 12h 9m 36s |
| 2025-Sep-23, Tuesday | 06:36:20 | 12:39:38 | 18:42:56 | 12h 6m 36s |
| 2025-Sep-24, Wednesday | 06:37:28 | 12:39:17 | 18:41:06 | 12h 3m 38s |
| 2025-Sep-25, Thursday | 06:38:37 | 12:38:56 | 18:39:16 | 12h 0m 39s |
| 2025-Sep-26, Friday | 06:39:46 | 12:38:36 | 18:37:26 | 11h 57m 40s |
| 2025-Sep-27, Saturday | 06:40:55 | 12:38:16 | 18:35:36 | 11h 54m 41s |
| 2025-Sep-28, Sunday | 06:42:04 | 12:37:55 | 18:33:47 | 11h 51m 43s |
| 2025-Sep-29, Monday | 06:43:14 | 12:37:35 | 18:31:57 | 11h 48m 43s |
| 2025-Sep-30, Tuesday | 06:44:23 | 12:37:16 | 18:30:08 | 11h 45m 45s |
Day length in Groton during the year on the chart:
Groton on United States map:
Locations in the same time zone America/New_York
New York (New York), Miami (Florida), Philadelphia (Pennsylvania), Washington (District of Columbia), Atlanta (Georgia), Boston (Massachusetts), Tampa (Florida), Brooklyn (New York), Queens (New York), Baltimore (Maryland), Orlando (Florida), Cleveland (Ohio), Pittsburgh (Pennsylvania), Cincinnati (Ohio), Manhattan (New York), Columbus (Ohio), Virginia Beach (Virginia), Charlotte (North Carolina), Bronx (New York), Providence (Rhode Island), Jacksonville (Florida), Richmond (Virginia), Raleigh (North Carolina), Louisville (Kentucky), Bridgeport (Connecticut), Buffalo (New York), Hartford (Connecticut), Dayton (Ohio), Rochester (New York), Sarasota (Florida)
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
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