Sofia to Sao Tome and Principe: time difference
Sao Tome and Principe is 3 h behind Sofia. 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.
Sofia 15:24 3:24 PM Sao Tome and Principe 12:24 12:24 PM You –:–
15:24 3:24 PM
Eastern European Summer Time · UTC+3
☀️ 07:34 · 🌙 18:55
12:24 12:24 PM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:24
·
−3 h
Sao Tome and Principe is 3 h behind Sofia.
When you, Sofia 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
🇧🇬 Sofia
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
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 | 🇧🇬 Sofia | 🇸🇹 Sao Tome and Principe |
|---|---|---|
| Local time | 15:24 | 12:24 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern European Summer Time | Greenwich Mean Time |
| UTC offset | UTC+3 | UTC+0 |
| Offset from Sofia | — | −3 h |
| IANA zone | Europe/Sofia | Africa/Sao Tome |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:34 | 05:18 |
| Sunset | 18:55 | 17:24 |
| Daylight | 11 h 20 min | 12 h 6 min |
| People on this clock | 1,286,383 | 204,327 |
Compare Sofia with another city
More comparisons with Sofia: the time zones next to it and the far side of the clock.
Big time differences
Sofia and Sao Tome and Principe: common questions
How many hours behind Sofia is Sao Tome and Principe?
The clocks in Sao Tome and Principe are 3 hours behind those in Sofia (UTC+0 and UTC+3).
What time is it in Sao Tome and Principe when it is 9:00 AM in Sofia?
When it is 9:00 AM in Sofia, it is 6:00 AM in Sao Tome and Principe.
If it is 6:00 PM in Sofia, what time is it in Sao Tome and Principe?
At 6:00 PM in Sofia, clocks in Sao Tome and Principe show 3:00 PM.
When is a good time to call Sao Tome and Principe from Sofia?
Between 12:00 PM and 6:00 PM in Sofia – that is 9:00 AM to 3:00 PM in Sao Tome and Principe – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sao Tome and Principe compared with Sofia?
The new day starts in Sao Tome and Principe later: until 3:00 AM in Sofia, it is still the previous day there. From 9:00 PM in Sao Tome and Principe, Sofia is already on the next day.
Does the time difference between Sofia and Sao Tome and Principe change?
Yes. The clocks change only in Sofia. From October 25, 2026, Sao Tome and Principe will be 2 hours behind Sofia.
