Cayenne to Porto: time difference
Porto is 3 h ahead of Cayenne. 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.
Cayenne 21:28 9:28 PM Porto 00:28 12:28 AM You –:–
21:28 9:28 PM
French Guiana Time · UTC-3
☀️ 06:16 · 🌙 18:12
00:28 12:28 AM
Western European Standard Time · UTC+0
☀️ 07:11 · 🌙 17:27
·
+3 h
Porto is 3 h ahead of Cayenne.
When you, Cayenne 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
🇬🇫 Cayenne
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 | 🇬🇫 Cayenne | 🇵🇹 Porto |
|---|---|---|
| Local time | 21:28 | 00:28 |
| Local date | Thursday, November 5, 2026 | Friday, November 6, 2026 |
| Time zone | French Guiana Time | Western European Standard Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Cayenne | — | +3 h |
| IANA zone | America/Cayenne | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 06:16 | 07:11 |
| Sunset | 18:12 | 17:27 |
| Daylight | 11 h 56 min | 10 h 16 min |
| People on this clock | 65,493 | 231,828 |
Compare Cayenne with another city
More comparisons with Cayenne: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Cayenne and Porto: common questions
How many hours ahead of Cayenne is Porto?
The clocks in Porto are 3 hours ahead of those in Cayenne (UTC+0 and UTC−3).
What time is it in Porto when it is 9:00 AM in Cayenne?
When it is 9:00 AM in Cayenne, it is 12:00 PM in Porto.
What time is it in Porto when it is 6:00 PM in Cayenne?
When it is 6:00 PM in Cayenne, it is 9:00 PM in Porto.
When do working hours in Cayenne and in Porto overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Cayenne, which is 12:00 PM to 6:00 PM in Porto.
When is it already the next day in Porto?
From 9:00 PM in Cayenne 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 Cayenne.
Does the time difference between Cayenne and Porto change?
Yes. The clocks change only in Porto. From March 28, 2027, Porto will be 4 hours ahead of Cayenne.
