Tomar to Buenos Aires: time difference
Buenos Aires is 4 h behind Tomar. Live clocks for both, the working hours they share, and how each one sits against your own time.
−4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tomar 01:07 1:07 AM Buenos Aires 21:07 9:07 PM You –:–
01:07 1:07 AM
Western European Summer Time · UTC+1
☀️ 07:47 · 🌙 18:52
21:07 9:07 PM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
−4 h
Buenos Aires is 4 h behind Tomar.
When you, Tomar 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
🇵🇹 Tomar
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
20 8 PM 21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Tomar | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:07 | 21:07 |
| Local date | Monday, October 19, 2026 | Sunday, October 18, 2026 |
| Time zone | Western European Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Tomar | — | −4 h |
| IANA zone | Europe/Lisbon | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:47 | 06:09 |
| Sunset | 18:52 | 19:11 |
| Daylight | 11 h 5 min | 13 h 2 min |
| People on this clock | 36,414 | 2,891,082 |
Compare Tomar with another city
More comparisons with Tomar: the time zones next to it and the far side of the clock.
Big time differences
Tomar and Buenos Aires: common questions
What is the time difference between Tomar and Buenos Aires?
Buenos Aires is 4 hours behind: it uses UTC−3, while Tomar is on UTC+1.
What time is it in Buenos Aires when it is 9:00 AM in Tomar?
When it is 9:00 AM in Tomar, it is 5:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Tomar?
The working day in Tomar ends at 6:00 PM; in Buenos Aires it is 2:00 PM at that moment.
Is there a time when both Tomar and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Tomar (9:00 AM to 2:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Tomar is it still yesterday in Buenos Aires?
Before 4:00 AM in Tomar, the date in Buenos Aires has not changed yet. From 8:00 PM in Buenos Aires, it is already the next day in Tomar.
Is the time difference between Tomar and Buenos Aires the same all year?
No. Only Tomar switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 3 hours behind Tomar.
