🇳🇱 Rotterdam, Netherlands
39
- Central European Summer Time
- UTC+2
- Twilight
☀️ 07:58 · 🌙 19:01 · 11 h 3 min
Rotterdam to Sofia: time difference
Sofia is 1 h ahead of Rotterdam. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇧🇬 Sofia, Bulgaria
39
- Eastern European Summer Time
- UTC+3
- Golden hour
☀️ 07:34 · 🌙 18:55 · 11 h 20 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rotterdam 07:18 7:18 AM Sofia 08:18 8:18 AM You –:–
07:18 7:18 AM
Central European Summer Time · UTC+2
☀️ 07:58 · 🌙 19:01
08:18 8:18 AM
Eastern European Summer Time · UTC+3
☀️ 07:34 · 🌙 18:55
·
+1 h
Sofia is 1 h ahead of Rotterdam.
When you, Rotterdam and Sofia are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇳🇱 Rotterdam
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
🇧🇬 Sofia
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇳🇱 Rotterdam | 🇧🇬 Sofia |
|---|---|---|
| Local time | 07:18 | 08:18 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central European Summer Time | Eastern European Summer Time |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Rotterdam | — | +1 h |
| IANA zone | Europe/Amsterdam | Europe/Sofia |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 07:58 | 07:34 |
| Sunset | 19:01 | 18:55 |
| Daylight | 11 h 3 min | 11 h 20 min |
| People on this clock | 572,392 | 1,286,383 |
Compare Rotterdam with another city
More comparisons with Rotterdam: the time zones next to it and the far side of the clock.
Big time differences
Rotterdam and Sofia: common questions
How many hours ahead of Rotterdam is Sofia?
The clocks in Sofia are 1 hour ahead of those in Rotterdam (UTC+3 and UTC+2).
If it is 9:00 AM in Rotterdam, what time is it in Sofia?
At 9:00 AM in Rotterdam, clocks in Sofia show 10:00 AM.
What time is it in Sofia when it is 6:00 PM in Rotterdam?
When it is 6:00 PM in Rotterdam, it is 7:00 PM in Sofia.
Is there a time when both Rotterdam and Sofia are at work?
Yes: from 9:00 AM to 5:00 PM in Rotterdam (10:00 AM to 6:00 PM in Sofia), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Sofia compared with Rotterdam?
The new day starts in Sofia earlier: at 11:00 PM in Rotterdam it is already midnight there. Until 1:00 AM in Sofia, Rotterdam is still on the previous day.
Is the time difference between Rotterdam and Sofia the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
