Sunrise and Sunset times in Groton, United States 
Groton
🌤 Possibly a moderately beautiful sunset.
New York, United States
2 358 people
Current temperature 17 ° C 
Partly cloudy
Today:
 Sunrise: 06:43:40
|
 Sunset: 19:18:43
|
Day Length: 12h 35m 3s
Time zone: America/New_York, UTC -4 h.
Latitude: 42.5875, Longitude: -76.363
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 06:30:55 | 13:05:18 | 19:39:41 | 13h 8m 46s |
| 2025-Sep-02, Tuesday | 06:31:59 | 13:04:59 | 19:37:58 | 13h 5m 59s |
| 2025-Sep-03, Wednesday | 06:33:03 | 13:04:39 | 19:36:15 | 13h 3m 12s |
| 2025-Sep-04, Thursday | 06:34:07 | 13:04:19 | 19:34:32 | 13h 0m 25s |
| 2025-Sep-05, Friday | 06:35:10 | 13:03:59 | 19:32:48 | 12h 57m 38s |
| 2025-Sep-06, Saturday | 06:36:14 | 13:03:39 | 19:31:03 | 12h 54m 49s |
| 2025-Sep-07, Sunday | 06:37:18 | 13:03:18 | 19:29:19 | 12h 52m 1s |
| 2025-Sep-08, Monday | 06:38:22 | 13:02:57 | 19:27:33 | 12h 49m 11s |
| 2025-Sep-09, Tuesday | 06:39:25 | 13:02:37 | 19:25:48 | 12h 46m 23s |
| 2025-Sep-10, Wednesday | 06:40:29 | 13:02:16 | 19:24:02 | 12h 43m 33s |
| 2025-Sep-11, Thursday | 06:41:33 | 13:01:54 | 19:22:16 | 12h 40m 43s |
| 2025-Sep-12, Friday | 06:42:37 | 13:01:33 | 19:20:30 | 12h 37m 53s |
| 2025-Sep-13, Saturday | 06:43:40 | 13:01:12 | 19:18:43 | 12h 35m 3s |
| 2025-Sep-14, Sunday | 06:44:44 | 13:00:51 | 19:16:57 | 12h 32m 13s |
| 2025-Sep-15, Monday | 06:45:48 | 13:00:29 | 19:15:10 | 12h 29m 22s |
| 2025-Sep-16, Tuesday | 06:46:52 | 13:00:08 | 19:13:23 | 12h 26m 31s |
| 2025-Sep-17, Wednesday | 06:47:56 | 12:59:46 | 19:11:36 | 12h 23m 40s |
| 2025-Sep-18, Thursday | 06:49:01 | 12:59:25 | 19:09:49 | 12h 20m 48s |
| 2025-Sep-19, Friday | 06:50:05 | 12:59:03 | 19:08:02 | 12h 17m 57s |
| 2025-Sep-20, Saturday | 06:51:09 | 12:58:42 | 19:06:15 | 12h 15m 6s |
| 2025-Sep-21, Sunday | 06:52:14 | 12:58:21 | 19:04:28 | 12h 12m 14s |
| 2025-Sep-22, Monday | 06:53:19 | 12:58:00 | 19:02:41 | 12h 9m 22s |
| 2025-Sep-23, Tuesday | 06:54:23 | 12:57:39 | 19:00:54 | 12h 6m 31s |
| 2025-Sep-24, Wednesday | 06:55:28 | 12:57:18 | 18:59:07 | 12h 3m 39s |
| 2025-Sep-25, Thursday | 06:56:33 | 12:56:57 | 18:57:20 | 12h 0m 47s |
| 2025-Sep-26, Friday | 06:57:39 | 12:56:36 | 18:55:34 | 11h 57m 55s |
| 2025-Sep-27, Saturday | 06:58:44 | 12:56:16 | 18:53:48 | 11h 55m 4s |
| 2025-Sep-28, Sunday | 06:59:50 | 12:55:56 | 18:52:02 | 11h 52m 12s |
| 2025-Sep-29, Monday | 07:00:56 | 12:55:36 | 18:50:16 | 11h 49m 20s |
| 2025-Sep-30, Tuesday | 07:02:02 | 12:55:16 | 18:48:31 | 11h 46m 29s |
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