Tandil to Porto: time difference
Porto is 3 h ahead of Tandil. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tandil 23:27 11:27 PM Porto 02:27 2:27 AM You –:–
23:27 11:27 PM
Argentina Standard Time · UTC-3
☀️ 05:47 · 🌙 19:35
02:27 2:27 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
·
+3 h
Porto is 3 h ahead of Tandil.
When you, Tandil and Porto are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Tandil
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
🇵🇹 Porto
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Tandil | 🇵🇹 Porto |
|---|---|---|
| Local time | 23:27 | 02:27 |
| Local date | Thursday, November 5, 2026 | Friday, November 6, 2026 |
| Time zone | Argentina Standard Time | Western European Standard Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Tandil | — | +3 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:47 | 07:12 |
| Sunset | 19:35 | 17:26 |
| Daylight | 13 h 48 min | 10 h 14 min |
| People on this clock | 110,627 | 231,828 |
Compare Tandil with another city
More comparisons with Tandil: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Tandil and Porto: common questions
How far ahead of Tandil is Porto?
Porto is 3 hours ahead of Tandil: UTC+0 against UTC−3.
What time is it in Porto when it is 9:00 AM in Tandil?
When it is 9:00 AM in Tandil, it is 12:00 PM in Porto.
If it is 6:00 PM in Tandil, what time is it in Porto?
At 6:00 PM in Tandil, clocks in Porto show 9:00 PM.
Is there a time when both Tandil and Porto are at work?
Yes: from 9:00 AM to 3:00 PM in Tandil (12:00 PM to 6:00 PM in Porto), the working days (9:00 AM–6:00 PM) overlap.
From what time in Tandil is it tomorrow in Porto?
Once it is 9:00 PM in Tandil, the date in Porto has already changed. Until 3:00 AM in Porto, it is still the previous day in Tandil.
Does the time difference between Tandil and Porto change?
Yes. The clocks change only in Porto. From March 28, 2027, Porto will be 4 hours ahead of Tandil.
