Lisbon to Sao Tome and Principe: time difference
Sao Tome and Principe is 1 h behind Lisbon. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Lisbon 07:01 7:01 AM Sao Tome and Principe 06:01 6:01 AM You –:–
07:01 7:01 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
06:01 6:01 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:24
·
−1 h
Sao Tome and Principe is 1 h behind Lisbon.
When you, Lisbon and Sao Tome and Principe are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
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
🇸🇹 Sao Tome and Principe
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇸🇹 Sao Tome and Principe |
|---|---|---|
| Local time | 07:01 | 06:01 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Western European Summer Time | Greenwich Mean Time |
| UTC offset | UTC+1 | UTC+0 |
| Offset from Lisbon | — | −1 h |
| IANA zone | Europe/Lisbon | Africa/Sao Tome |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:41 | 05:18 |
| Sunset | 19:07 | 17:24 |
| Daylight | 11 h 26 min | 12 h 6 min |
| People on this clock | 545,923 | 204,327 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Sao Tome and Principe: common questions
What is the time difference between Lisbon and Sao Tome and Principe?
Sao Tome and Principe is 1 hour behind: it uses UTC+0, while Lisbon is on UTC+1.
If it is 9:00 AM in Lisbon, what time is it in Sao Tome and Principe?
At 9:00 AM in Lisbon, clocks in Sao Tome and Principe show 8:00 AM.
If it is 6:00 PM in Lisbon, what time is it in Sao Tome and Principe?
At 6:00 PM in Lisbon, clocks in Sao Tome and Principe show 5:00 PM.
When is a good time to call Sao Tome and Principe from Lisbon?
Between 10:00 AM and 6:00 PM in Lisbon – that is 9:00 AM to 5:00 PM in Sao Tome and Principe – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Sao Tome and Principe?
Until 1:00 AM in Lisbon it is still the previous day in Sao Tome and Principe. The other way round, from 11:00 PM in Sao Tome and Principe it is already the next day in Lisbon.
Does the time difference between Lisbon and Sao Tome and Principe change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Sao Tome and Principe and Lisbon will have the same time.
