Sarnia to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Sarnia. 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.
Sarnia 20:35 8:35 PM Buenos Aires 21:35 9:35 PM You –:–
20:35 8:35 PM
Eastern Daylight Time · UTC-4
☀️ 07:42 · 🌙 18:50
21:35 9:35 PM
Argentina Standard Time · UTC-3
☀️ 06:14 · 🌙 19:07
·
+1 h
Buenos Aires is 1 h ahead of Sarnia.
When you, Sarnia 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
🇨🇦 Sarnia
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 | 🇨🇦 Sarnia | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 20:35 | 21:35 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Sarnia | — | +1 h |
| IANA zone | America/Toronto | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:42 | 06:14 |
| Sunset | 18:50 | 19:07 |
| Daylight | 11 h 8 min | 12 h 54 min |
| People on this clock | 71,594 | 2,891,082 |
Compare Sarnia with another city
More comparisons with Sarnia: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sarnia and Buenos Aires: common questions
How far ahead of Sarnia is Buenos Aires?
Buenos Aires is 1 hour ahead of Sarnia: UTC−3 against UTC−4.
If it is 9:00 AM in Sarnia, what time is it in Buenos Aires?
At 9:00 AM in Sarnia, clocks in Buenos Aires show 10:00 AM.
If it is 6:00 PM in Sarnia, what time is it in Buenos Aires?
At 6:00 PM in Sarnia, clocks in Buenos Aires show 7:00 PM.
When do working hours in Sarnia and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Sarnia, which is 10:00 AM to 6:00 PM in Buenos Aires.
When does the date change in Buenos Aires compared with Sarnia?
The new day starts in Buenos Aires earlier: at 11:00 PM in Sarnia it is already midnight there. Until 1:00 AM in Buenos Aires, Sarnia is still on the previous day.
Does the time gap between Sarnia and Buenos Aires change during the year?
Yes – daylight saving time is used in Sarnia but not in Buenos Aires. From November 1, 2026, Buenos Aires will be 2 hours ahead of Sarnia.
