Dartmouth to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Dartmouth. 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.
Dartmouth 22:52 10:52 PM Buenos Aires 23:52 11:52 PM You –:–
22:52 10:52 PM
Atlantic Standard Time · UTC-4
☀️ 06:58 · 🌙 16:59
23:52 11:52 PM
Argentina Standard Time · UTC-3
☀️ 05:49 · 🌙 19:27
·
+1 h
Buenos Aires is 1 h ahead of Dartmouth.
When you, Dartmouth 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
🇨🇦 Dartmouth
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 | 🇨🇦 Dartmouth | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 22:52 | 23:52 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Atlantic Standard Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Dartmouth | — | +1 h |
| IANA zone | America/Halifax | America/Argentina/Buenos Aires |
| Daylight saving | On standard time → UTC-3, Mar 14, 03:00 | Not observed |
| Sunrise | 06:58 | 05:49 |
| Sunset | 16:59 | 19:27 |
| Daylight | 10 h 1 min | 13 h 38 min |
| People on this clock | 70,000 | 2,891,082 |
Compare Dartmouth with another city
More comparisons with Dartmouth: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Dartmouth and Buenos Aires: common questions
How far ahead of Dartmouth is Buenos Aires?
Buenos Aires is 1 hour ahead of Dartmouth: UTC−3 against UTC−4.
What time is it in Buenos Aires at the start of the working day in Dartmouth?
The working day in Dartmouth starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
If it is 6:00 PM in Dartmouth, what time is it in Buenos Aires?
At 6:00 PM in Dartmouth, clocks in Buenos Aires show 7:00 PM.
Is there a time when both Dartmouth and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in Dartmouth (10:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Dartmouth?
The new day starts in Buenos Aires earlier: at 11:00 PM in Dartmouth it is already midnight there. Until 1:00 AM in Buenos Aires, Dartmouth is still on the previous day.
Is the time difference between Dartmouth and Buenos Aires the same all year?
No. Only Dartmouth switches to summer time, so the gap changes twice a year. From March 14, 2027, Buenos Aires and Dartmouth will have the same time.
