🇺🇸 Groton, CT, United States · Daytime

Time in Groton, CT

26

3:08 PM · Tuesday, October 20, 2026

  • EDT
  • UTC-4
  • America/New York
Sunrise
07:06
Sunset
18:01
Daylight
10 h 55 min

The day in Groton, CT, hour by hour

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Groton, CT 15:08 3:08 PM
Groton, CT 15:08 3:08 PM You –:–
🇺🇸 Groton, CT

15:08 3:08 PM

Eastern Daylight Time · UTC-4

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🇺🇸 Groton, CT
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
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Compare Groton, CT with another city

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Time in Groton, CT, in detail

  • Time zone EDT Eastern Daylight Time
  • UTC offset UTC-4 IANA zone America/New_York
  • Daylight saving On summer time Clocks go back to UTC-5 on November 1, 2026 at 01:00 .
  • Sunrise 07:06 Solar noon at 12:34
  • Sunset 18:01 10 h 55 min of daylight
  • People on this clock 40,115 United States
  • Coordinates 41.35°, -72.08° Sunrise and sunset are calculated from this position.

Time in Groton, CT: common questions

Which IANA time zone does Groton, CT, belong to?
Groton belongs to the IANA time zone America/New_York, currently UTC−4 (summer time).
Which UTC offset does Groton, CT, use?
Groton uses UTC−5 in standard time and UTC−4 in summer time – currently UTC−4.
Does Groton, CT, switch to summer time?
Yes, Groton moves between UTC−5 and UTC−4 during the year. The next switch is on November 1, 2026: clocks go back to standard time (UTC−5).
What time are sunrise and sunset in Groton, CT?
Sunrise in Groton is at 7:05 AM and sunset at 6:00 PM on October 20, which gives 10 hours and 55 minutes of daylight.
Where else is it the same time as in Groton, CT?
UTC−4 is currently also the time in Canada, in Venezuela, in Bolivia, in Cuba, in Haiti, in the Dominican Republic, and in 22 other countries and territories.
How many hours separate Groton, CT, from Lisbon, Chiang Mai, or Mexico City?
Seen from Groton: Lisbon is 5 hours ahead, Chiang Mai is 11 hours ahead, and Mexico City is 2 hours behind.
Show times on the 12-hour clock, temperatures in °F and distances in miles?