Marathon to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Marathon. 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.
Marathon 10:18 10:18 AM Buenos Aires 11:18 11:18 AM You –:–
10:18 10:18 AM
Eastern Daylight Time · UTC-4
☀️ 08:15 · 🌙 18:46
11:18 11:18 AM
Argentina Standard Time · UTC-3
☀️ 06:05 · 🌙 19:13
·
+1 h
Buenos Aires is 1 h ahead of Marathon.
When you, Marathon 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
🇨🇦 Marathon
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 | 🇨🇦 Marathon | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 10:18 | 11:18 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Marathon | — | +1 h |
| IANA zone | America/Toronto | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 08:15 | 06:05 |
| Sunset | 18:46 | 19:13 |
| Daylight | 10 h 31 min | 13 h 8 min |
| People on this clock | 3,300 | 2,891,082 |
Compare Marathon with another city
More comparisons with Marathon: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Marathon and Buenos Aires: common questions
What is the time difference between Marathon and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Marathon is on UTC−4.
What time is it in Buenos Aires when it is 9:00 AM in Marathon?
When it is 9:00 AM in Marathon, it is 10:00 AM in Buenos Aires.
If it is 6:00 PM in Marathon, what time is it in Buenos Aires?
At 6:00 PM in Marathon, clocks in Buenos Aires show 7:00 PM.
When do working hours in Marathon and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Marathon, which is 10:00 AM to 6:00 PM in Buenos Aires.
When does the date change in Buenos Aires compared with Marathon?
The new day starts in Buenos Aires earlier: at 11:00 PM in Marathon it is already midnight there. Until 1:00 AM in Buenos Aires, Marathon is still on the previous day.
Does the time difference between Marathon and Buenos Aires change?
Yes. The clocks change only in Marathon. From November 1, 2026, Buenos Aires will be 2 hours ahead of Marathon.
