Sao Tome and Principe to Istanbul: time difference
Istanbul 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.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sao Tome and Principe 04:46 4:46 AM Istanbul 07:46 7:46 AM You –:–
04:46 4:46 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:24
07:46 7:46 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
+3 h
Istanbul is 3 h ahead of Sao Tome and Principe.
When you, Sao Tome and Principe and Istanbul 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
🇹🇷 Istanbul
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
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇸🇹 Sao Tome and Principe | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 04:46 | 07:46 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | GMT+03:00 |
| UTC offset | UTC+0 | UTC+3 |
| Offset from Sao Tome and Principe | — | +3 h |
| IANA zone | Africa/Sao Tome | Europe/Istanbul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:18 | 07:10 |
| Sunset | 17:24 | 18:33 |
| Daylight | 12 h 6 min | 11 h 23 min |
| People on this clock | 204,327 | 15,701,602 |
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 Istanbul: common questions
How far ahead of Sao Tome and Principe is Istanbul?
Istanbul is 3 hours ahead of Sao Tome and Principe: UTC+3 against UTC+0.
What time is it in Istanbul when it is 9:00 AM in Sao Tome and Principe?
When it is 9:00 AM in Sao Tome and Principe, it is 12:00 PM in Istanbul.
What time is it in Istanbul at the end of the working day in Sao Tome and Principe?
The working day in Sao Tome and Principe ends at 6:00 PM; in Istanbul it is 9:00 PM at that moment.
When is a good time to call Istanbul from Sao Tome and Principe?
Between 9:00 AM and 3:00 PM in Sao Tome and Principe – that is 12:00 PM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
From what time in Sao Tome and Principe is it tomorrow in Istanbul?
Once it is 9:00 PM in Sao Tome and Principe, the date in Istanbul has already changed. Until 3:00 AM in Istanbul, it is still the previous day in Sao Tome and Principe.
Does the time gap between Sao Tome and Principe and Istanbul change during the year?
No, the clocks change neither in Sao Tome and Principe nor in Istanbul, so the gap is 3 hours all year round.
