Monterrey to Groton, CT: time difference
Groton, CT is 1 h ahead of Monterrey. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Monterrey 14:51 2:51 PM Groton, CT 15:51 3:51 PM You –:–
14:51 2:51 PM
Central Standard Time · UTC-6
☀️ 06:54 · 🌙 17:58
15:51 3:51 PM
Eastern Standard Time · UTC-5
☀️ 06:26 · 🌙 16:39
·
+1 h
Groton, CT is 1 h ahead of Monterrey.
When you, Monterrey and Groton, CT are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇲🇽 Monterrey
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
🇺🇸 Groton, CT
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 0 12 AM
📍 Your time
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Time zones side by side
| Detail | 🇲🇽 Monterrey | 🇺🇸 Groton, CT |
|---|---|---|
| Local time | 14:51 | 15:51 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Central Standard Time | Eastern Standard Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Monterrey | — | +1 h |
| IANA zone | America/Monterrey | America/New York |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:54 | 06:26 |
| Sunset | 17:58 | 16:39 |
| Daylight | 11 h 4 min | 10 h 13 min |
| People on this clock | 1,142,994 | 40,115 |
Compare Monterrey with another city
More comparisons with Monterrey: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Monterrey and Groton, CT: common questions
How far ahead of Monterrey is Groton, CT?
Groton is 1 hour ahead of Monterrey: UTC−5 against UTC−6.
What time is it in Groton, CT, when it is 9:00 AM in Monterrey?
When it is 9:00 AM in Monterrey, it is 10:00 AM in Groton.
If it is 6:00 PM in Monterrey, what time is it in Groton, CT?
At 6:00 PM in Monterrey, clocks in Groton show 7:00 PM.
When do working hours in Monterrey and in Groton, CT, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Monterrey, which is 10:00 AM to 6:00 PM in Groton.
From what time in Monterrey is it tomorrow in Groton, CT?
Once it is 11:00 PM in Monterrey, the date in Groton has already changed. Until 1:00 AM in Groton, it is still the previous day in Monterrey.
Does the time gap between Monterrey and Groton, CT, change during the year?
Yes – daylight saving time is used in Groton but not in Monterrey. From March 14, 2027, Groton will be 2 hours ahead of Monterrey.
