Athens to Sao Tome: time difference
Sao Tome is 3 h behind Athens. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇸🇹 Sao Tome, Sao Tome and Principe
12
- Greenwich Mean Time
- UTC+0
- Daytime
☀️ 05:18 · 🌙 17:24 · 12 h 6 min
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Athens 17:13 5:13 PM Sao Tome 14:13 2:13 PM You –:–
17:13 5:13 PM
Eastern European Summer Time · UTC+3
☀️ 07:29 · 🌙 18:56
14:13 2:13 PM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:24
·
−3 h
Sao Tome is 3 h behind Athens.
When you, Athens and Sao Tome are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇷 Athens
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
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 | 🇬🇷 Athens | 🇸🇹 Sao Tome |
|---|---|---|
| Local time | 17:13 | 14:13 |
| 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 Athens | — | −3 h |
| IANA zone | Europe/Athens | Africa/Sao Tome |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:29 | 05:18 |
| Sunset | 18:56 | 17:24 |
| Daylight | 11 h 27 min | 12 h 6 min |
| People on this clock | 3,090,508 | 53,300 |
Compare Athens with another city
More comparisons with Athens: the time zones next to it and the far side of the clock.
Big time differences
Athens and Sao Tome: common questions
How many hours behind Athens is Sao Tome?
The clocks in Sao Tome are 3 hours behind those in Athens (UTC+0 and UTC+3).
What time is it in Sao Tome at the start of the working day in Athens?
The working day in Athens starts at 9:00 AM; in Sao Tome it is 6:00 AM at that moment.
What time is it in Sao Tome at the end of the working day in Athens?
The working day in Athens ends at 6:00 PM; in Sao Tome it is 3:00 PM at that moment.
When do working hours in Athens and in Sao Tome overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Athens, which is 9:00 AM to 3:00 PM in Sao Tome.
When is it still the previous day in Sao Tome?
Until 3:00 AM in Athens it is still the previous day in Sao Tome. The other way round, from 9:00 PM in Sao Tome it is already the next day in Athens.
Does the time difference between Athens and Sao Tome change?
Yes. The clocks change only in Athens. From October 25, 2026, Sao Tome will be 2 hours behind Athens.
