Hartford, CT to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Hartford, 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.
Hartford, CT 14:38 2:38 PM Buenos Aires 15:38 3:38 PM You –:–
14:38 2:38 PM
Eastern Daylight Time · UTC-4
☀️ 07:09 · 🌙 18:03
15:38 3:38 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+1 h
Buenos Aires is 1 h ahead of Hartford, CT.
When you, Hartford, 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
🇺🇸 Hartford, 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
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Time zones side by side
| Detail | 🇺🇸 Hartford, CT | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 14:38 | 15:38 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Hartford, 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 | 07:09 | 06:06 |
| Sunset | 18:03 | 19:12 |
| Daylight | 10 h 54 min | 13 h 6 min |
| People on this clock | 122,366 | 2,891,082 |
Compare Hartford, CT with another city
More comparisons with Hartford, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Hartford, CT and Buenos Aires: common questions
What is the time difference between Hartford, CT, and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Hartford is on UTC−4.
What time is it in Buenos Aires at the start of the working day in Hartford, CT?
The working day in Hartford 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 Hartford, CT?
When it is 6:00 PM in Hartford, it is 7:00 PM in Buenos Aires.
When is a good time to call Buenos Aires from Hartford, CT?
Between 9:00 AM and 5:00 PM in Hartford – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Buenos Aires compared with Hartford, CT?
The new day starts in Buenos Aires earlier: at 11:00 PM in Hartford it is already midnight there. Until 1:00 AM in Buenos Aires, Hartford is still on the previous day.
Is the time difference between Hartford, CT, and Buenos Aires the same all year?
No. Only Hartford switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Hartford.
