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
6:23 AM
110° ESEDawn 5:54 AM
Sunrise in Groton will be at 6:23:57 AM EST (in 2h 40m).
Sunset
4:35 PM
249° WSWDusk 5:04 PM
Sunset in Groton will be at 4:35:16 PM EST (in 12h 52m).
Now
6:23a4:35p
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Night now · First light at 4:48 AM
| Window | Morning | Evening |
|---|---|---|
| Golden hour | 6:05 – 7:04 AM | 3:54 – 4:53 PM |
| Blue hour | 5:54 – 6:05 AM | 4:53 – 5:04 PM |
- Daylight
- 10h 11m
- −2m 29s vs. yesterday
- Darkness
- 10h 36m
- Solar noon
- 11:29 AM
- Sun altitude
- 29.3° below
- Sun direction
- 84° E
Tomorrow
Sunrise
6:25 AM
111° ESEDawn 5:55 AM
Sunrise in Groton will be at 6:25:13 AM EST (in 26h 42m).
Sunset
4:34 PM
249° WSWDusk 5:03 PM
Sunset in Groton will be at 4:34:04 PM EST (in 36h 51m).
Moon tonight
Phase, moonrise and moonset in Groton
Waning Crescent
21% illuminated
- Moonrise
- 1:24 AM
- Moonset
- 2:16 PM
Calendar
Eastern Time · select a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Sun | 5:50 AM | 6:20 AM | 11:29 AM | 4:39 PM | 5:08 PM | 10h 18m 51s | |
| 2 Mon | 5:52 AM | 6:21 AM | 11:29 AM | 4:37 PM | 5:07 PM | 10h 16m 19s | |
| 3 Tue | 5:53 AM | 6:22 AM | 11:29 AM | 4:36 PM | 5:05 PM | 10h 13m 48s | |
| 4 Wed | 5:54 AM | 6:23 AM | 11:29 AM | 4:35 PM | 5:04 PM | 10h 11m 19s | |
Wednesday, November 4 10h 11m 19s of daylight·−2m 29s vs. yesterday·twilight 5:54 AM – 5:04 PM Time 3:44 AM Altitude -29.3° Heading 84° E Light Night 3:44 AM, Night, altitude -29.3 degrees | |||||||
| 5 Thu | 5:55 AM | 6:25 AM | 11:29 AM | 4:34 PM | 5:03 PM | 10h 08m 51s | |
| 6 Fri | 5:56 AM | 6:26 AM | 11:29 AM | 4:32 PM | 5:02 PM | 10h 06m 25s | |
| 7 Sat | 5:57 AM | 6:27 AM | 11:29 AM | 4:31 PM | 5:01 PM | 10h 04m 00s | |
| 8 Sun | 5:59 AM | 6:29 AM | 11:30 AM | 4:30 PM | 5:00 PM | 10h 01m 37s | |
| 9 Mon | 6:00 AM | 6:30 AM | 11:30 AM | 4:29 PM | 4:59 PM | 9h 59m 15s | |
| 10 Tue | 6:01 AM | 6:31 AM | 11:30 AM | 4:28 PM | 4:58 PM | 9h 56m 56s | |
| 11 Wed | 6:02 AM | 6:32 AM | 11:30 AM | 4:27 PM | 4:57 PM | 9h 54m 38s | |
| 12 Thu | 6:03 AM | 6:34 AM | 11:30 AM | 4:26 PM | 4:56 PM | 9h 52m 22s | |
| 13 Fri | 6:05 AM | 6:35 AM | 11:30 AM | 4:25 PM | 4:55 PM | 9h 50m 08s | |
| 14 Sat | 6:06 AM | 6:36 AM | 11:30 AM | 4:24 PM | 4:54 PM | 9h 47m 57s | |
| 15 Sun | 6:07 AM | 6:37 AM | 11:30 AM | 4:23 PM | 4:53 PM | 9h 45m 47s | |
| 16 Mon | 6:08 AM | 6:39 AM | 11:31 AM | 4:22 PM | 4:53 PM | 9h 43m 40s | |
| 17 Tue | 6:09 AM | 6:40 AM | 11:31 AM | 4:21 PM | 4:52 PM | 9h 41m 35s | |
| 18 Wed | 6:10 AM | 6:41 AM | 11:31 AM | 4:21 PM | 4:51 PM | 9h 39m 32s | |
| 19 Thu | 6:12 AM | 6:42 AM | 11:31 AM | 4:20 PM | 4:50 PM | 9h 37m 32s | |
| 20 Fri | 6:13 AM | 6:43 AM | 11:31 AM | 4:19 PM | 4:50 PM | 9h 35m 35s | |
| 21 Sat | 6:14 AM | 6:45 AM | 11:32 AM | 4:18 PM | 4:49 PM | 9h 33m 40s | |
| 22 Sun | 6:15 AM | 6:46 AM | 11:32 AM | 4:18 PM | 4:49 PM | 9h 31m 47s | |
| 23 Mon | 6:16 AM | 6:47 AM | 11:32 AM | 4:17 PM | 4:48 PM | 9h 29m 58s | |
| 24 Tue | 6:17 AM | 6:48 AM | 11:33 AM | 4:16 PM | 4:48 PM | 9h 28m 11s | |
| 25 Wed | 6:18 AM | 6:49 AM | 11:33 AM | 4:16 PM | 4:47 PM | 9h 26m 28s | |
| 26 Thu | 6:19 AM | 6:51 AM | 11:33 AM | 4:15 PM | 4:47 PM | 9h 24m 47s | |
| 27 Fri | 6:20 AM | 6:52 AM | 11:33 AM | 4:15 PM | 4:46 PM | 9h 23m 10s | |
| 28 Sat | 6:22 AM | 6:53 AM | 11:34 AM | 4:14 PM | 4:46 PM | 9h 21m 36s | |
| 29 Sun | 6:23 AM | 6:54 AM | 11:34 AM | 4:14 PM | 4:45 PM | 9h 20m 05s | |
| 30 Mon | 6:24 AM | 6:55 AM | 11:35 AM | 4:14 PM | 4:45 PM | 9h 18m 37s | |
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 (Wednesday, November 4, 2026) is at 6:23 AM. The sun comes up in the ESE.
- What time does the sun set in Groton today?
- Sunset today is at 4:35 PM, after 10h 11m of daylight.
- When does it get dark in Groton tonight?
- Civil twilight ends at 5:04 PM. After that you need artificial light for most things outdoors. Astronomical twilight ends at 6:11 PM, which is when night starts by the standard definition.How long after sunset it gets dark
- 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.More on the summer solstice
- 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 Sunday, June 14, 2026, when the sun comes up at 5:07 AM.
- When is the latest sunset in Groton?
- The latest sunset is on Friday, June 26, 2026 at 8:28 PM.
- When is the earliest sunset in Groton?
- The earliest sunset of the year is on Tuesday, December 8, 2026, with the sun down by 4:12 PM.Why it comes before the shortest day
- When is the latest sunrise in Groton?
- The latest sunrise is on Saturday, October 31, 2026 at 7:18 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.
Nearby
Other places close to Groton
Developers: get this data programmatically with the free JSON API.
GET https://api.sunrisesunset.io/json?lat=42.6112&lng=-71.57451