San José to Porto: time difference
Porto is 3 h ahead of San José. 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.
San José 16:46 4:46 PM Porto 19:46 7:46 PM You –:–
16:46 4:46 PM
Uruguay Standard Time · UTC-3
☀️ 05:42 · 🌙 19:21
19:46 7:46 PM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
·
+3 h
Porto is 3 h ahead of San José.
When you, San José 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
🇺🇾 San José
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 | 🇺🇾 San José | 🇵🇹 Porto |
|---|---|---|
| Local time | 16:46 | 19:46 |
| 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 San José | — | +3 h |
| IANA zone | America/Montevideo | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:42 | 07:12 |
| Sunset | 19:21 | 17:26 |
| Daylight | 13 h 39 min | 10 h 14 min |
| People on this clock | 36,747 | 231,828 |
Compare San José with another city
More comparisons with San José: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San José and Porto: common questions
What is the time difference between San José and Porto?
Porto is 3 hours ahead: it uses UTC+0, while San José is on UTC−3.
If it is 9:00 AM in San José, what time is it in Porto?
At 9:00 AM in San José, clocks in Porto show 12:00 PM.
What time is it in Porto when it is 6:00 PM in San José?
When it is 6:00 PM in San José, it is 9:00 PM in Porto.
Is there a time when both San José and Porto are at work?
Yes: from 9:00 AM to 3:00 PM in San José (12:00 PM to 6:00 PM in Porto), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Porto?
From 9:00 PM in San José it is already the next day in Porto. The other way round, until 3:00 AM in Porto it is still the previous day in San José.
Does the time gap between San José and Porto change during the year?
Yes – daylight saving time is used in Porto but not in San José. From March 28, 2027, Porto will be 4 hours ahead of San José.
