Tehran to Athens: time difference
Athens is 1 h 30 min behind Tehran. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tehran 21:27 9:27 PM Athens 19:57 7:57 PM You –:–
21:27 9:27 PM
Iran Standard Time · UTC+3:30
☀️ 06:31 · 🌙 17:07
19:57 7:57 PM
Eastern European Standard Time · UTC+2
☀️ 06:55 · 🌙 17:24
·
−1 h 30 min
Athens is 1 h 30 min behind Tehran.
When you, Tehran 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
🇮🇷 Tehran
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
22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM 2:30 2:30 AM 3:30 3:30 AM 4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM 15:30 3:30 PM 16:30 4:30 PM 17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM 21:30 9:30 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇷 Tehran | 🇬🇷 Athens |
|---|---|---|
| Local time | 21:27 | 19:57 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Iran Standard Time | Eastern European Standard Time |
| UTC offset | UTC+3:30 | UTC+2 |
| Offset from Tehran | — | −1 h 30 min |
| IANA zone | Asia/Tehran | Europe/Athens |
| Daylight saving | Not observed | On standard time → UTC+3, Mar 28, 04:00 |
| Sunrise | 06:31 | 06:55 |
| Sunset | 17:07 | 17:24 |
| Daylight | 10 h 36 min | 10 h 28 min |
| People on this clock | 8,000,000 | 3,090,508 |
Compare Tehran with another city
More comparisons with Tehran: the time zones next to it and the far side of the clock.
Big time differences
Tehran and Athens: common questions
How many hours behind Tehran is Athens?
The clocks in Athens are 1 hour and 30 minutes behind those in Tehran (UTC+2 and UTC+3:30).
What time is it in Athens at the start of the working day in Tehran?
The working day in Tehran starts at 9:00 AM; in Athens it is 7:30 AM at that moment.
What time is it in Athens when it is 6:00 PM in Tehran?
When it is 6:00 PM in Tehran, it is 4:30 PM in Athens.
Is there a time when both Tehran and Athens are at work?
Yes: from 10:30 AM to 6:00 PM in Tehran (9:00 AM to 4:30 PM in Athens), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Athens compared with Tehran?
The new day starts in Athens later: until 1:30 AM in Tehran, it is still the previous day there. From 10:30 PM in Athens, Tehran is already on the next day.
Does the time gap between Tehran and Athens change during the year?
Yes – daylight saving time is used in Athens but not in Tehran. From March 28, 2027, Athens will be 30 minutes behind Tehran.