Sao Tome and Principe to Athens: time difference
Athens 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 04:44 4:44 AM Athens 07:44 7:44 AM You –:–
04:44 4:44 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:24
07:44 7:44 AM
Eastern European Summer Time · UTC+3
☀️ 07:29 · 🌙 18:56
·
+3 h
Athens is 3 h ahead of Sao Tome and Principe.
When you, Sao Tome and Principe and Athens 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
🇬🇷 Athens
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 | 🇬🇷 Athens |
|---|---|---|
| Local time | 04:44 | 07:44 |
| 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/Athens |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 05:18 | 07:29 |
| Sunset | 17:24 | 18:56 |
| Daylight | 12 h 6 min | 11 h 27 min |
| People on this clock | 204,327 | 3,090,508 |
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 Athens: common questions
What is the time difference between Sao Tome and Principe and Athens?
Athens is 3 hours ahead: it uses UTC+3, while Sao Tome and Principe is on UTC+0.
What time is it in Athens 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 Athens it is 12:00 PM at that moment.
If it is 6:00 PM in Sao Tome and Principe, what time is it in Athens?
At 6:00 PM in Sao Tome and Principe, clocks in Athens show 9:00 PM.
When do working hours in Sao Tome and Principe and in Athens overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Sao Tome and Principe, which is 12:00 PM to 6:00 PM in Athens.
From what time in Sao Tome and Principe is it tomorrow in Athens?
Once it is 9:00 PM in Sao Tome and Principe, the date in Athens has already changed. Until 3:00 AM in Athens, it is still the previous day in Sao Tome and Principe.
Does the time gap between Sao Tome and Principe and Athens change during the year?
Yes – daylight saving time is used in Athens but not in Sao Tome and Principe. From October 25, 2026, Athens will be 2 hours ahead of Sao Tome and Principe.
