Treinta y Tres to Porto: time difference
Porto is 3 h ahead of Treinta y Tres. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇵🇹 Porto, Portugal
04
- Western European Standard Time
- UTC+0
- Golden hour
☀️ 07:12 · 🌙 17:26 · 10 h 14 min
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Treinta y Tres 13:21 1:21 PM Porto 16:21 4:21 PM You –:–
13:21 1:21 PM
Uruguay Standard Time · UTC-3
☀️ 05:35 · 🌙 19:09
16:21 4:21 PM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
·
+3 h
Porto is 3 h ahead of Treinta y Tres.
When you, Treinta y Tres 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
🇺🇾 Treinta y Tres
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 | 🇺🇾 Treinta y Tres | 🇵🇹 Porto |
|---|---|---|
| Local time | 13:21 | 16:21 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Uruguay Standard Time | Western European Standard Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Treinta y Tres | — | +3 h |
| IANA zone | America/Montevideo | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:35 | 07:12 |
| Sunset | 19:09 | 17:26 |
| Daylight | 13 h 35 min | 10 h 14 min |
| People on this clock | 32,259 | 231,828 |
Compare Treinta y Tres with another city
More comparisons with Treinta y Tres: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Treinta y Tres and Porto: common questions
What is the time difference between Treinta y Tres and Porto?
Porto is 3 hours ahead: it uses UTC+0, while Treinta y Tres is on UTC−3.
If it is 9:00 AM in Treinta y Tres, what time is it in Porto?
At 9:00 AM in Treinta y Tres, clocks in Porto show 12:00 PM.
If it is 6:00 PM in Treinta y Tres, what time is it in Porto?
At 6:00 PM in Treinta y Tres, clocks in Porto show 9:00 PM.
When is a good time to call Porto from Treinta y Tres?
Between 9:00 AM and 3:00 PM in Treinta y Tres – that is 12:00 PM to 6:00 PM in Porto – both places are within working hours (9:00 AM–6:00 PM).
From what time in Treinta y Tres is it tomorrow in Porto?
Once it is 9:00 PM in Treinta y Tres, the date in Porto has already changed. Until 3:00 AM in Porto, it is still the previous day in Treinta y Tres.
Is the time difference between Treinta y Tres and Porto the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, Porto will be 4 hours ahead of Treinta y Tres.
