Porto to Cayenne: time difference
Cayenne 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 00:39 12:39 AM Cayenne 21:39 9:39 PM You –:–
00:39 12:39 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
21:39 9:39 PM
French Guiana Time · UTC-3
☀️ 06:16 · 🌙 18:12
·
−3 h
Cayenne is 3 h behind Porto.
When you, Porto and Cayenne 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
🇬🇫 Cayenne
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 | 🇬🇫 Cayenne |
|---|---|---|
| Local time | 00:39 | 21:39 |
| Local date | Friday, November 6, 2026 | Thursday, November 5, 2026 |
| Time zone | Western European Standard Time | French Guiana Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Porto | — | −3 h |
| IANA zone | Europe/Lisbon | America/Cayenne |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 06:16 |
| Sunset | 17:26 | 18:12 |
| Daylight | 10 h 14 min | 11 h 56 min |
| People on this clock | 231,828 | 65,493 |
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 Cayenne: common questions
What is the time difference between Porto and Cayenne?
Cayenne is 3 hours behind: it uses UTC−3, while Porto is on UTC+0.
If it is 9:00 AM in Porto, what time is it in Cayenne?
At 9:00 AM in Porto, clocks in Cayenne show 6:00 AM.
If it is 6:00 PM in Porto, what time is it in Cayenne?
At 6:00 PM in Porto, clocks in Cayenne show 3:00 PM.
When is a good time to call Cayenne from Porto?
Between 12:00 PM and 6:00 PM in Porto – that is 9:00 AM to 3:00 PM in Cayenne – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Cayenne?
Until 3:00 AM in Porto it is still the previous day in Cayenne. The other way round, from 9:00 PM in Cayenne it is already the next day in Porto.
Does the time gap between Porto and Cayenne change during the year?
Yes – daylight saving time is used in Porto but not in Cayenne. From March 28, 2027, Cayenne will be 4 hours behind Porto.
