Porto to Tandil: time difference
Tandil is 3 h behind Porto. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Porto 04:03 4:03 AM Tandil 01:03 1:03 AM You –:–
04:03 4:03 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
01:03 1:03 AM
Argentina Standard Time · UTC-3
☀️ 05:46 · 🌙 19:36
·
−3 h
Tandil is 3 h behind Porto.
When you, Porto and Tandil are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Porto
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
🇦🇷 Tandil
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 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Porto | 🇦🇷 Tandil |
|---|---|---|
| Local time | 04:03 | 01:03 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Western European Standard Time | Argentina Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Porto | — | −3 h |
| IANA zone | Europe/Lisbon | America/Argentina/Buenos Aires |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 05:46 |
| Sunset | 17:26 | 19:36 |
| Daylight | 10 h 14 min | 13 h 50 min |
| People on this clock | 231,828 | 110,627 |
Compare Porto with another city
More comparisons with Porto: the time zones next to it and the far side of the clock.
Big time differences
Porto and Tandil: common questions
How many hours behind Porto is Tandil?
The clocks in Tandil are 3 hours behind those in Porto (UTC−3 and UTC+0).
What time is it in Tandil when it is 9:00 AM in Porto?
When it is 9:00 AM in Porto, it is 6:00 AM in Tandil.
What time is it in Tandil when it is 6:00 PM in Porto?
When it is 6:00 PM in Porto, it is 3:00 PM in Tandil.
When is a good time to call Tandil from Porto?
Between 12:00 PM and 6:00 PM in Porto – that is 9:00 AM to 3:00 PM in Tandil – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Tandil compared with Porto?
The new day starts in Tandil later: until 3:00 AM in Porto, it is still the previous day there. From 9:00 PM in Tandil, Porto is already on the next day.
Is the time difference between Porto and Tandil the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, Tandil will be 4 hours behind Porto.
