Buenos Aires to New Haven, CT: time difference
New Haven, CT is 1 h behind Buenos Aires. 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.
Buenos Aires 05:00 5:00 AM New Haven, CT 04:00 4:00 AM You –:–
05:00 5:00 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
04:00 4:00 AM
Eastern Daylight Time · UTC-4
☀️ 07:08 · 🌙 18:06
·
−1 h
New Haven, CT is 1 h behind Buenos Aires.
When you, Buenos Aires and New Haven, 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
🇦🇷 Buenos Aires
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
🇺🇸 New Haven, CT
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇺🇸 New Haven, CT |
|---|---|---|
| Local time | 05:00 | 04:00 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Argentina Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Buenos Aires | — | −1 h |
| IANA zone | America/Argentina/Buenos Aires | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:07 | 07:08 |
| Sunset | 19:11 | 18:06 |
| Daylight | 13 h 4 min | 10 h 58 min |
| People on this clock | 2,891,082 | 124,001 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and New Haven, CT: common questions
What is the time difference between Buenos Aires and New Haven, CT?
New Haven is 1 hour behind: it uses UTC−4, while Buenos Aires is on UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in New Haven, CT?
At 9:00 AM in Buenos Aires, clocks in New Haven show 8:00 AM.
What time is it in New Haven, CT, at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in New Haven it is 5:00 PM at that moment.
When is a good time to call New Haven, CT, from Buenos Aires?
Between 10:00 AM and 6:00 PM in Buenos Aires – that is 9:00 AM to 5:00 PM in New Haven – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in New Haven, CT, compared with Buenos Aires?
The new day starts in New Haven later: until 1:00 AM in Buenos Aires, it is still the previous day there. From 11:00 PM in New Haven, Buenos Aires is already on the next day.
Is the time difference between Buenos Aires and New Haven, CT, the same all year?
No. Only New Haven switches to summer time, so the gap changes twice a year. From November 1, 2026, New Haven will be 2 hours behind Buenos Aires.
