🇳🇱 Heerlen, Netherlands
01
- Central European Summer Time
- UTC+2
- Night
☀️ 08:03 · 🌙 18:42 · 10 h 39 min
Heerlen to Sofia: time difference
Sofia is 1 h ahead of Heerlen. 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.
Heerlen 20:51 8:51 PM Sofia 21:51 9:51 PM You –:–
20:51 8:51 PM
Central European Summer Time · UTC+2
☀️ 08:03 · 🌙 18:42
21:51 9:51 PM
Eastern European Summer Time · UTC+3
☀️ 07:42 · 🌙 18:43
·
+1 h
Sofia is 1 h ahead of Heerlen.
When you, Heerlen 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
🇳🇱 Heerlen
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 | 🇳🇱 Heerlen | 🇧🇬 Sofia |
|---|---|---|
| Local time | 20:51 | 21:51 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central European Summer Time | Eastern European Summer Time |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Heerlen | — | +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 | 08:03 | 07:42 |
| Sunset | 18:42 | 18:43 |
| Daylight | 10 h 39 min | 11 h 1 min |
| People on this clock | 87,086 | 1,286,383 |
Compare Heerlen with another city
More comparisons with Heerlen: the time zones next to it and the far side of the clock.
Big time differences
Heerlen and Sofia: common questions
How many hours ahead of Heerlen is Sofia?
The clocks in Sofia are 1 hour ahead of those in Heerlen (UTC+3 and UTC+2).
If it is 9:00 AM in Heerlen, what time is it in Sofia?
At 9:00 AM in Heerlen, clocks in Sofia show 10:00 AM.
What time is it in Sofia at the end of the working day in Heerlen?
The working day in Heerlen ends at 6:00 PM; in Sofia it is 7:00 PM at that moment.
When is a good time to call Sofia from Heerlen?
Between 9:00 AM and 5:00 PM in Heerlen – that is 10:00 AM to 6:00 PM in Sofia – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sofia compared with Heerlen?
The new day starts in Sofia earlier: at 11:00 PM in Heerlen it is already midnight there. Until 1:00 AM in Sofia, Heerlen is still on the previous day.
Does the time gap between Heerlen and Sofia change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 1 hour.
