What time is sunrise and sunset in Groton?
Today and tomorrow's sunrise and sunset times in Groton, Massachusetts. Plus a monthly calendar with dawn, dusk, solar noon, and day length.
Today
Sunrise
6:12 AM
79° EDawn 5:43 AM
Sunrise in Groton will be at 6:12:27 AM EDT (in 2 hours).
Sunset
7:17 PM
281° WDusk 7:46 PM
Sunset in Groton will be at 7:17:19 PM EDT (in 15 hours).
Now
6:12a7:17p
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Night now · First light at 4:32 AM
- Daylight
- 13h 04m
- Darkness
- 7h 39m
- Solar noon
- 12:45 PM
- Sun altitude
- 24.0° below
- Sun direction
- 53° NE
Tomorrow
Sunrise
6:13 AM
80° EDawn 5:44 AM
Sunrise in Groton will be at 6:13:32 AM EDT (in 26 hours).
Sunset
7:15 PM
280° WDusk 7:44 PM
Sunset in Groton will be at 7:15:35 PM EDT (in 39 hours).
Moon tonight
Phase, moonrise and moonset in Groton
Last Quarter
46% illuminated
- Moonrise
- 11:22 PM
- Moonset
- 2:53 PM
Calendar
America/New_York · click a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Tue | 5:40 am | 6:09 am | 12:46 pm | 7:22 pm | 7:51 pm | 13:13:13 | |
| 2 Wed | 5:41 am | 6:10 am | 12:45 pm | 7:20 pm | 7:49 pm | 13:10:26 | |
| 3 Thu | 5:42 am | 6:11 am | 12:45 pm | 7:19 pm | 7:47 pm | 13:07:39 | |
| 4 Fri | 5:43 am | 6:12 am | 12:45 pm | 7:17 pm | 7:46 pm | 13:04:51 | |
Friday, September 4 13:04:51 of daylight·−2m 48s vs. yesterday·twilight 5:43 am – 7:46 pm Time 3:56 AM Altitude -24.0° Heading 53° NE Light Night 3:56 AM, Night, altitude -24.0 degrees | |||||||
| 5 Sat | 5:44 am | 6:13 am | 12:44 pm | 7:15 pm | 7:44 pm | 13:02:03 | |
| 6 Sun | 5:45 am | 6:14 am | 12:44 pm | 7:13 pm | 7:42 pm | 12:59:14 | |
| 7 Mon | 5:46 am | 6:15 am | 12:44 pm | 7:12 pm | 7:40 pm | 12:56:25 | |
| 8 Tue | 5:48 am | 6:16 am | 12:43 pm | 7:10 pm | 7:38 pm | 12:53:36 | |
| 9 Wed | 5:49 am | 6:17 am | 12:43 pm | 7:08 pm | 7:37 pm | 12:50:46 | |
| 10 Thu | 5:50 am | 6:18 am | 12:43 pm | 7:06 pm | 7:35 pm | 12:47:56 | |
| 11 Fri | 5:51 am | 6:19 am | 12:42 pm | 7:05 pm | 7:33 pm | 12:45:06 | |
| 12 Sat | 5:52 am | 6:21 am | 12:42 pm | 7:03 pm | 7:31 pm | 12:42:16 | |
| 13 Sun | 5:53 am | 6:22 am | 12:42 pm | 7:01 pm | 7:29 pm | 12:39:25 | |
| 14 Mon | 5:54 am | 6:23 am | 12:41 pm | 6:59 pm | 7:28 pm | 12:36:34 | |
| 15 Tue | 5:55 am | 6:24 am | 12:41 pm | 6:57 pm | 7:26 pm | 12:33:43 | |
| 16 Wed | 5:56 am | 6:25 am | 12:41 pm | 6:56 pm | 7:24 pm | 12:30:52 | |
| 17 Thu | 5:58 am | 6:26 am | 12:40 pm | 6:54 pm | 7:22 pm | 12:28:01 | |
| 18 Fri | 5:59 am | 6:27 am | 12:40 pm | 6:52 pm | 7:20 pm | 12:25:09 | |
| 19 Sat | 6:00 am | 6:28 am | 12:40 pm | 6:50 pm | 7:18 pm | 12:22:18 | |
| 20 Sun | 6:01 am | 6:29 am | 12:39 pm | 6:49 pm | 7:17 pm | 12:19:26 | |
| 21 Mon | 6:02 am | 6:30 am | 12:39 pm | 6:47 pm | 7:15 pm | 12:16:34 | |
| 22 Tue | 6:03 am | 6:31 am | 12:38 pm | 6:45 pm | 7:13 pm | 12:13:42 | |
| 23 Wed | 6:04 am | 6:32 am | 12:38 pm | 6:43 pm | 7:11 pm | 12:10:51 | |
| 24 Thu | 6:05 am | 6:33 am | 12:38 pm | 6:41 pm | 7:09 pm | 12:07:59 | |
| 25 Fri | 6:06 am | 6:34 am | 12:37 pm | 6:40 pm | 7:08 pm | 12:05:07 | |
| 26 Sat | 6:07 am | 6:36 am | 12:37 pm | 6:38 pm | 7:06 pm | 12:02:15 | |
| 27 Sun | 6:09 am | 6:37 am | 12:37 pm | 6:36 pm | 7:04 pm | 11:59:24 | |
| 28 Mon | 6:10 am | 6:38 am | 12:36 pm | 6:34 pm | 7:02 pm | 11:56:32 | |
| 29 Tue | 6:11 am | 6:39 am | 12:36 pm | 6:33 pm | 7:01 pm | 11:53:41 | |
| 30 Wed | 6:12 am | 6:40 am | 12:36 pm | 6:31 pm | 6:59 pm | 11:50:49 | |
Photos
Sunrise and sunset photos of Groton from Flickr.
FAQ
Frequently asked questions about sunrise and sunset in Groton, United States
- What time does the sun rise in Groton today?
- Sunrise in Groton today (Friday, September 4, 2026) is at 6:12 AM. The sun comes up in the E.
- What time does the sun set in Groton today?
- Sunset today is at 7:17 PM, after 13h 04m of daylight.
- When is the longest day in Groton, United States?
- The longest day of 2026 in Groton is Sunday, June 21, 2026, the summer solstice, with 15h 18m of daylight. In 2027 the summer solstice falls on June 21, 2027.
- When is the shortest day in Groton, United States?
- The shortest day of 2026 in Groton, Massachusetts is Monday, December 21, 2026, the winter solstice, with 9h 02m of daylight. In 2027 the winter solstice lands on December 21, 2027.
- How much more daylight does Groton get in summer than in winter?
- Groton gets 6h 16m more daylight on its longest day than on its shortest (15h 18m against 9h 02m). Averaged across the year, a day here has 12h 12m of daylight.
- When is the earliest sunrise in Groton?
- The earliest sunrise of 2026 in Groton is on Monday, June 15, 2026, when the sun comes up at 5:09 AM.
- When is the latest sunset in Groton?
- The latest sunset is on Saturday, June 27, 2026 at 8:29 PM.
- When is the earliest sunset in Groton?
- The earliest sunset of the year is on Wednesday, December 9, 2026, with the sun down by 4:14 PM.
- When is the latest sunrise in Groton?
- The latest sunrise is on Saturday, October 31, 2026 at 7:19 AM.
- Does Groton observe daylight saving time?
- Yes. Groton uses Eastern Time: clocks go forward on March 8, 2026, then back on November 1, 2026. Sunrise and sunset times jump by an hour on those dates.
Developers: get this data programmatically with the free JSON API.
GET https://api.sunrisesunset.io/json?lat=42.6112&lng=-71.57451