Groton, CT to Berlin: time difference
Berlin is 6 h ahead of Groton, CT. Live clocks for both, the working hours they share, and how each one sits against your own time.
+6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Groton, CT 16:35 4:35 PM Berlin 22:35 10:35 PM You –:–
16:35 4:35 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:01
22:35 10:35 PM
Central European Summer Time · UTC+2
☀️ 07:41 · 🌙 18:03
·
+6 h
Berlin is 6 h ahead of Groton, CT.
When you, Groton, CT and Berlin are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 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
🇩🇪 Berlin
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Groton, CT | 🇩🇪 Berlin |
|---|---|---|
| Local time | 16:35 | 22:35 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Central European Summer Time |
| UTC offset | UTC-4 | UTC+2 |
| Offset from Groton, CT | — | +6 h |
| IANA zone | America/New York | Europe/Berlin |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:06 | 07:41 |
| Sunset | 18:01 | 18:03 |
| Daylight | 10 h 55 min | 10 h 22 min |
| People on this clock | 40,115 | 3,769,962 |
Compare Groton, CT with another city
More comparisons with Groton, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Groton, CT and Berlin: common questions
How many hours ahead of Groton, CT, is Berlin?
The clocks in Berlin are 6 hours ahead of those in Groton (UTC+2 and UTC−4).
What time is it in Berlin at the start of the working day in Groton, CT?
The working day in Groton starts at 9:00 AM; in Berlin it is 3:00 PM at that moment.
What time is it in Berlin when it is 6:00 PM in Groton, CT?
When it is 6:00 PM in Groton, it is 12:00 AM (the next day) in Berlin.
When do working hours in Groton, CT, and in Berlin overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 12:00 PM in Groton, which is 3:00 PM to 6:00 PM in Berlin.
When does the date change in Berlin compared with Groton, CT?
The new day starts in Berlin earlier: at 6:00 PM in Groton it is already midnight there. Until 6:00 AM in Berlin, Groton is still on the previous day.
Does the time difference between Groton, CT, and Berlin change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Berlin will be 5 hours ahead of Groton.
