Concord, NH to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Concord, NH. 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.
Concord, NH 23:15 11:15 PM Buenos Aires 00:15 12:15 AM You –:–
23:15 11:15 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 17:57
00:15 12:15 AM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+1 h
Buenos Aires is 1 h ahead of Concord, NH.
When you, Concord, NH 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
🇺🇸 Concord, NH
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
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Time zones side by side
| Detail | 🇺🇸 Concord, NH | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 23:15 | 00:15 |
| Local date | Tuesday, October 20, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Concord, NH | — | +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 | 07:06 | 06:06 |
| Sunset | 17:57 | 19:12 |
| Daylight | 10 h 50 min | 13 h 6 min |
| People on this clock | 42,695 | 2,891,082 |
Compare Concord, NH with another city
More comparisons with Concord, NH: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Concord, NH and Buenos Aires: common questions
How many hours ahead of Concord, NH, is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in Concord (UTC−3 and UTC−4).
What time is it in Buenos Aires at the start of the working day in Concord, NH?
The working day in Concord starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Concord, NH?
The working day in Concord ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When is a good time to call Buenos Aires from Concord, NH?
Between 9:00 AM and 5:00 PM in Concord – 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 Concord, NH?
The new day starts in Buenos Aires earlier: at 11:00 PM in Concord it is already midnight there. Until 1:00 AM in Buenos Aires, Concord is still on the previous day.
Is the time difference between Concord, NH, and Buenos Aires the same all year?
No. Only Concord switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Concord.
