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Groton, CT, USA — Sunrise, Sunset, and Moon Times for Today

Moon: 45.0%
Waxing Crescent
Current Time: Mar 25, 2026 at 4:34:15 am
Sunrise Today: 6:43 am 87° East
Sunset Today: 7:05 pm 274° West
Moonrise Today: 10:56 am 51° Northeast
Moonset Today: 2:18 am 309° Northwest
Daylight Hours: 12 hours, 23 minutes (+2m 46s)

Today's Sun Position in Groton

Time: 4:34 am
Altitude: -24.1°
Direction: 64° NE
Phase: Night

Day length today: 12h 22m 50s (Mar 25, 2026)

2 minutes, 46 seconds longer than yesterday (Mar 24, 2026)

3 hours, 11 minutes longer than winter solstice (Dec 21, 2025)

2 hours, 47 minutes shorter than summer solstice (Jun 20, 2025)

Night, Twilight, and Daylight Times in Groton Today

12 am
2 am
4 am
6 am
8 am
10 am
12 pm
2 pm
4 pm
6 pm
8 pm
10 pm
Night 12:00 am – 5:09 am
Astro. Twilight 5:09 am – 5:42 am
Nautical Twilight 5:42 am – 6:15 am
Civil Twilight 6:15 am – 6:43 am
Daylight 6:43 am – 7:05 pm
Civil Twilight 7:05 pm – 7:33 pm
Nautical Twilight 7:33 pm – 8:06 pm
Astro. Twilight 8:06 pm – 8:39 pm
Night 8:39 pm – 11:59 pm

Sun in Groton - Next 7 Days

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2026 Sunrise/Sunset Daylength Solar Noon
Mar Sunrise Sunset Length Diff. Time Mil. mi
Mar 25 6:43 am 7:05 pm 12:22:50 +2:46 12:54 pm (50.7°) 92.707
Mar 26 6:41 am 7:07 pm 12:25:37 +2:46 12:53 pm (51.1°) 92.733
Mar 27 6:39 am 7:08 pm 12:28:23 +2:46 12:53 pm (51.5°) 92.759
Mar 28 6:38 am 7:09 pm 12:31:09 +2:45 12:53 pm (51.8°) 92.785
Mar 29 6:36 am 7:10 pm 12:33:54 +2:45 12:52 pm (52.2°) 92.811
Mar 30 6:34 am 7:11 pm 12:36:40 +2:45 12:52 pm (52.6°) 92.837
Mar 31 6:33 am 7:12 pm 12:39:25 +2:45 12:52 pm (53.0°) 92.863
* All times are local time for Groton. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar.

See full month's Sun


Today's Moon in Groton

Year 2026 Moon Phases

Moon in Groton - Next 7 days

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2026 Moonrise/Moonset Meridian Passing
Mar Moonrise Moonset Moonrise Time Distance (mi) Illumination
Mar 25 - 2:18 am 10:56 am 7:08 pm (76.2°) 230,919 51.9%
Mar 26 - 3:14 am 12:06 pm 8:08 pm (73.8°) 232,553 63.5%
Mar 27 - 3:58 am 1:20 pm 9:03 pm (69.8°) 234,355 74.2%
Mar 28 - 4:33 am 2:34 pm 9:54 pm (64.6°) 236,283 83.4%
Mar 29 - 5:01 am 3:46 pm 10:42 pm (58.6°) 238,319 90.8%
Mar 30 - 5:25 am 4:54 pm 11:26 pm (52.3°) 240,441 96.0%
Mar 31 - 5:46 am 6:01 pm Moon does not pass the meridian on this day.
* All times are local time for Groton. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

See full month's Moon

Planets Visible in the Sky in Groton This Coming Night

  Planetrise/Planetset, Wed, Mar 25, 2026
Planet Rise Set Meridian Comment
Mercury Wed 5:45 am Wed 4:52 pm Wed 11:19 am Difficult to see
Venus Wed 7:31 am Wed 8:40 pm Wed 2:05 pm Fairly good visibility
Mars Wed 6:11 am Wed 5:36 pm Wed 11:53 am Very difficult to see
Jupiter Wed 12:12 pm Thu 3:11 am Wed 7:41 pm Perfect visibility
Saturn Wed 6:54 am Wed 6:58 pm Wed 12:56 pm Not visible
Uranus Wed 9:04 am Wed 11:35 pm Wed 4:20 pm Difficult to see
Neptune Wed 6:44 am Wed 6:45 pm Wed 12:44 pm Extremely difficult to see
* All times are local time for Groton.

More about the planets visible in the night sky in Groton