St Thomas to Lisbon: time difference
Lisbon is 5 h ahead of St Thomas. Live clocks for both, the working hours they share, and how each one sits against your own time.
+5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
St Thomas 09:38 9:38 AM Lisbon 14:38 2:38 PM You –:–
09:38 9:38 AM
Atlantic Standard Time · UTC-4
☀️ 06:15 · 🌙 17:57
14:38 2:38 PM
Western European Summer Time · UTC+1
☀️ 07:48 · 🌙 18:57
·
+5 h
Lisbon is 5 h ahead of St Thomas.
When you, St Thomas and Lisbon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇻🇮 St Thomas
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
🇵🇹 Lisbon
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 3 3 AM 4 4 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇻🇮 St Thomas | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 09:38 | 14:38 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Atlantic Standard Time | Western European Summer Time |
| UTC offset | UTC-4 | UTC+1 |
| Offset from St Thomas | — | +5 h |
| IANA zone | America/St Thomas | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:15 | 07:48 |
| Sunset | 17:57 | 18:57 |
| Daylight | 11 h 42 min | 11 h 9 min |
| People on this clock | 20,000 | 545,923 |
Compare St Thomas with another city
More comparisons with St Thomas: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
St Thomas and Lisbon: common questions
How many hours ahead of St Thomas is Lisbon?
The clocks in Lisbon are 5 hours ahead of those in St Thomas (UTC+1 and UTC−4).
If it is 9:00 AM in St Thomas, what time is it in Lisbon?
At 9:00 AM in St Thomas, clocks in Lisbon show 2:00 PM.
What time is it in Lisbon when it is 6:00 PM in St Thomas?
When it is 6:00 PM in St Thomas, it is 11:00 PM in Lisbon.
Is there a time when both St Thomas and Lisbon are at work?
Yes: from 9:00 AM to 1:00 PM in St Thomas (2:00 PM to 6:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Lisbon?
From 7:00 PM in St Thomas it is already the next day in Lisbon. The other way round, until 5:00 AM in Lisbon it is still the previous day in St Thomas.
Does the time gap between St Thomas and Lisbon change during the year?
Yes – daylight saving time is used in Lisbon but not in St Thomas. From October 25, 2026, Lisbon will be 4 hours ahead of St Thomas.
