Sao Tome and Principe to Sofia: time difference
Sofia is 3 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.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sao Tome and Principe 10:36 10:36 AM Sofia 13:36 1:36 PM You –:–
10:36 10:36 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:24
13:36 1:36 PM
Eastern European Summer Time · UTC+3
☀️ 07:34 · 🌙 18:55
·
+3 h
Sofia is 3 h ahead of Sao Tome and Principe.
When you, Sao Tome and Principe and Sofia 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
🇧🇬 Sofia
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
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Time zones side by side
| Detail | 🇸🇹 Sao Tome and Principe | 🇧🇬 Sofia |
|---|---|---|
| Local time | 10:36 | 13:36 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | Eastern European Summer Time |
| UTC offset | UTC+0 | UTC+3 |
| Offset from Sao Tome and Principe | — | +3 h |
| IANA zone | Africa/Sao Tome | Europe/Sofia |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 05:18 | 07:34 |
| Sunset | 17:24 | 18:55 |
| Daylight | 12 h 6 min | 11 h 20 min |
| People on this clock | 204,327 | 1,286,383 |
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 Sofia: common questions
What is the time difference between Sao Tome and Principe and Sofia?
Sofia is 3 hours ahead: it uses UTC+3, while Sao Tome and Principe is on UTC+0.
What time is it in Sofia at the start of the working day in Sao Tome and Principe?
The working day in Sao Tome and Principe starts at 9:00 AM; in Sofia it is 12:00 PM at that moment.
What time is it in Sofia when it is 6:00 PM in Sao Tome and Principe?
When it is 6:00 PM in Sao Tome and Principe, it is 9:00 PM in Sofia.
Is there a time when both Sao Tome and Principe and Sofia are at work?
Yes: from 9:00 AM to 3:00 PM in Sao Tome and Principe (12:00 PM to 6:00 PM in Sofia), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Sofia compared with Sao Tome and Principe?
The new day starts in Sofia earlier: at 9:00 PM in Sao Tome and Principe it is already midnight there. Until 3:00 AM in Sofia, Sao Tome and Principe is still on the previous day.
Does the time gap between Sao Tome and Principe and Sofia change during the year?
Yes – daylight saving time is used in Sofia but not in Sao Tome and Principe. From October 25, 2026, Sofia will be 2 hours ahead of Sao Tome and Principe.
