Sofia to Boston: time difference
Boston is 2 h behind Sofia. 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.
Sofia 08:01 8:01 AM Boston 06:01 6:01 AM You –:–
08:01 8:01 AM
Eastern European Summer Time · UTC+3
☀️ 07:44 · 🌙 18:42
06:01 6:01 AM
British Summer Time · UTC+1
☀️ 07:32 · 🌙 18:00
·
−2 h
Boston is 2 h behind Sofia.
When you, Sofia and Boston are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇬 Sofia
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
🇬🇧 Boston
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 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇬 Sofia | 🇬🇧 Boston |
|---|---|---|
| Local time | 08:01 | 06:01 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern European Summer Time | British Summer Time |
| UTC offset | UTC+3 | UTC+1 |
| Offset from Sofia | — | −2 h |
| IANA zone | Europe/Sofia | Europe/London |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:44 | 07:32 |
| Sunset | 18:42 | 18:00 |
| Daylight | 10 h 58 min | 10 h 28 min |
| People on this clock | 1,286,383 | 45,339 |
Compare Sofia with another city
More comparisons with Sofia: the time zones next to it and the far side of the clock.
Big time differences
Sofia and Boston: common questions
How many hours behind Sofia is Boston?
The clocks in Boston are 2 hours behind those in Sofia (UTC+1 and UTC+3).
What time is it in Boston at the start of the working day in Sofia?
The working day in Sofia starts at 9:00 AM; in Boston it is 7:00 AM at that moment.
What time is it in Boston at the end of the working day in Sofia?
The working day in Sofia ends at 6:00 PM; in Boston it is 4:00 PM at that moment.
When do working hours in Sofia and in Boston overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Sofia, which is 9:00 AM to 4:00 PM in Boston.
When does the date change in Boston compared with Sofia?
The new day starts in Boston later: until 2:00 AM in Sofia, it is still the previous day there. From 10:00 PM in Boston, Sofia is already on the next day.
Does the time difference between Sofia and Boston change?
No. The clocks in Sofia and in Boston change on the same dates, so the difference stays 2 hours.
