Athens to Bytom: time difference
Bytom is 1 h behind Athens. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Athens 09:23 9:23 AM Bytom 08:23 8:23 AM You –:–
09:23 9:23 AM
Eastern European Summer Time · UTC+3
☀️ 07:37 · 🌙 18:45
08:23 8:23 AM
Central European Summer Time · UTC+2
☀️ 07:12 · 🌙 17:49
·
−1 h
Bytom is 1 h behind Athens.
When you, Athens and Bytom 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
🇵🇱 Bytom
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇷 Athens | 🇵🇱 Bytom |
|---|---|---|
| Local time | 09:23 | 08:23 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern European Summer Time | Central European Summer Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Athens | — | −1 h |
| IANA zone | Europe/Athens | Europe/Warsaw |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:37 | 07:12 |
| Sunset | 18:45 | 17:49 |
| Daylight | 11 h 8 min | 10 h 37 min |
| People on this clock | 3,090,508 | 162,250 |
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 Bytom: common questions
How far behind Athens is Bytom?
Bytom is 1 hour behind Athens: UTC+2 against UTC+3.
What time is it in Bytom at the start of the working day in Athens?
The working day in Athens starts at 9:00 AM; in Bytom it is 8:00 AM at that moment.
What time is it in Bytom when it is 6:00 PM in Athens?
When it is 6:00 PM in Athens, it is 5:00 PM in Bytom.
When do working hours in Athens and in Bytom overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Athens, which is 9:00 AM to 5:00 PM in Bytom.
When does the date change in Bytom compared with Athens?
The new day starts in Bytom later: until 1:00 AM in Athens, it is still the previous day there. From 11:00 PM in Bytom, Athens is already on the next day.
Does the time difference between Athens and Bytom change?
No. The clocks in Athens and in Bytom change on the same dates, so the difference stays 1 hour.
