Sao Tome and Principe to Lisbon: time difference
Lisbon is 1 h ahead of Sao Tome and Principe. 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.
Sao Tome and Principe 03:00 3:00 AM Lisbon 04:00 4:00 AM You –:–
03:00 3:00 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:24
04:00 4:00 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
+1 h
Lisbon is 1 h ahead of Sao Tome and Principe.
When you, Sao Tome and Principe 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
🇸🇹 Sao Tome and Principe
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇸🇹 Sao Tome and Principe | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 03:00 | 04:00 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | Western European Summer Time |
| UTC offset | UTC+0 | UTC+1 |
| Offset from Sao Tome and Principe | — | +1 h |
| IANA zone | Africa/Sao Tome | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 05:18 | 07:41 |
| Sunset | 17:24 | 19:07 |
| Daylight | 12 h 6 min | 11 h 26 min |
| People on this clock | 204,327 | 545,923 |
Compare Sao Tome and Principe with another city
More comparisons with Sao Tome and Principe: the time zones next to it and the far side of the clock.
Big time differences
Sao Tome and Principe and Lisbon: common questions
How many hours ahead of Sao Tome and Principe is Lisbon?
The clocks in Lisbon are 1 hour ahead of those in Sao Tome and Principe (UTC+1 and UTC+0).
What time is it in Lisbon when it is 9:00 AM in Sao Tome and Principe?
When it is 9:00 AM in Sao Tome and Principe, it is 10:00 AM in Lisbon.
What time is it in Lisbon when it is 6:00 PM in Sao Tome and Principe?
When it is 6:00 PM in Sao Tome and Principe, it is 7:00 PM in Lisbon.
When do working hours in Sao Tome and Principe and in Lisbon overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Sao Tome and Principe, which is 10:00 AM to 6:00 PM in Lisbon.
When does the date change in Lisbon compared with Sao Tome and Principe?
The new day starts in Lisbon earlier: at 11:00 PM in Sao Tome and Principe it is already midnight there. Until 1:00 AM in Lisbon, Sao Tome and Principe is still on the previous day.
Does the time gap between Sao Tome and Principe and Lisbon change during the year?
Yes – daylight saving time is used in Lisbon but not in Sao Tome and Principe. From October 25, 2026, Lisbon and Sao Tome and Principe will have the same time.
