New Haven, CT to Buenos Aires: time difference
Buenos Aires is 1 h ahead of New Haven, CT. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
New Haven, CT 03:55 3:55 AM Buenos Aires 04:55 4:55 AM You –:–
03:55 3:55 AM
Eastern Daylight Time · UTC-4
☀️ 07:08 · 🌙 18:06
04:55 4:55 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
+1 h
Buenos Aires is 1 h ahead of New Haven, CT.
When you, New Haven, CT and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 New Haven, 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
🇦🇷 Buenos Aires
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 New Haven, CT | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 03:55 | 04:55 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from New Haven, CT | — | +1 h |
| IANA zone | America/New York | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:08 | 06:07 |
| Sunset | 18:06 | 19:11 |
| Daylight | 10 h 58 min | 13 h 4 min |
| People on this clock | 124,001 | 2,891,082 |
Compare New Haven, CT with another city
More comparisons with New Haven, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
New Haven, CT and Buenos Aires: common questions
How many hours ahead of New Haven, CT, is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in New Haven (UTC−3 and UTC−4).
What time is it in Buenos Aires at the start of the working day in New Haven, CT?
The working day in New Haven starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in New Haven, CT?
When it is 6:00 PM in New Haven, it is 7:00 PM in Buenos Aires.
Is there a time when both New Haven, CT, and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in New Haven (10:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Buenos Aires?
From 11:00 PM in New Haven, CT, it is already the next day in Buenos Aires. The other way round, until 1:00 AM in Buenos Aires it is still the previous day in New Haven.
Does the time gap between New Haven, CT, and Buenos Aires change during the year?
Yes – daylight saving time is used in New Haven but not in Buenos Aires. From November 1, 2026, Buenos Aires will be 2 hours ahead of New Haven.
