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

Moon: 49.3%
Waning Crescent
Current Time: May 20, 2025 at 9:45:23 am
Sunrise Today: 5:24 am 62° Northeast
Sunset Today: 8:05 pm 298° Northwest
Moonrise Today: 1:48 am 110° Southeast
Moonset Today: 12:27 pm 253° West
Daylight Hours: 14 hours, 41 minutes (+1m 46s)
Location of GrotonLocation

Today's Sun Position in Groton

Time:9:45 am
Altitude:46.6°
Direction:105° E
Phase:Daylight

Day length today: 14h 40m 32s (May 20, 2025)

1 minute, 46 seconds longer than yesterday (May 19, 2025)

5 hours, 29 minutes longer than winter solstice (Dec 21, 2024)

29 minutes, 25 seconds shorter than summer solstice (Jun 20, 2024)

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
Night12:00 am – 3:27 am
Astro. Twilight3:27 am – 4:12 am
Nautical Twilight4:12 am – 4:52 am
Civil Twilight4:52 am – 5:24 am
Daylight5:24 am – 8:05 pm
Civil Twilight8:05 pm – 8:37 pm
Nautical Twilight8:37 pm – 9:17 pm
Astro. Twilight9:17 pm – 10:03 pm
Night10:03 pm – 11:59 pm

Sun in Groton - Next 7 Days

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2025Sunrise/SunsetDaylengthSolar Noon
MaySunriseSunsetLengthDiff.TimeMil. mi
May 205:24 am8:05 pm14:40:32+1:4612:44 pm (68.8°)94.068
May 215:24 am8:06 pm14:42:16+1:4412:44 pm (69.0°)94.087
May 225:23 am8:07 pm14:43:57+1:4112:45 pm (69.2°)94.105
May 235:22 am8:08 pm14:45:36+1:3812:45 pm (69.4°)94.123
May 245:21 am8:09 pm14:47:12+1:3612:45 pm (69.6°)94.141
May 255:21 am8:09 pm14:48:45+1:3312:45 pm (69.7°)94.158
May 265:20 am8:10 pm14:50:16+1:3012:45 pm (69.9°)94.174
* 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 2025 Moon Phases

Moon in Groton - Next 7 days

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2025Moonrise/MoonsetMeridian Passing
MayMoonriseMoonsetMoonriseTimeDistance (mi)Illumination
May 201:48 am12:27 pm-7:03 am(34.1°)235,55450.5%
May 212:12 am1:39 pm-7:50 am(40.4°)232,22239.2%
May 222:35 am2:53 pm-8:38 am(47.3°)229,03828.1%
May 232:58 am4:08 pm-9:26 am(54.5°)226,28718.0%
May 243:23 am5:28 pm-10:18 am(61.5°)224,2419.5%
May 253:52 am6:50 pm-11:13 am(67.8°)223,1873.5%
May 264:28 am8:13 pm-12:14 pm(72.8°)223,2980.5%
* 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, Tue, May 20, 2025
PlanetRiseSetMeridianComment
MercuryTue 4:57 amTue 7:07 pmTue 12:01 pmSlightly difficult to see
VenusTue 3:32 amTue 4:12 pmTue 9:52 amGreat visibility
MarsTue 10:57 amWed 1:14 amTue 6:06 pmAverage visibility
JupiterTue 7:03 amTue 10:05 pmTue 2:34 pmAverage visibility
SaturnTue 3:01 amTue 2:51 pmTue 8:56 amAverage visibility
UranusTue 5:20 amTue 7:49 pmTue 12:34 pmExtremely difficult to see
NeptuneTue 3:02 amTue 3:02 pmTue 9:02 amVery difficult to see
* All times are local time for Groton.

More about the planets visible in the night sky in Groton