Seongnam to Bansko: time difference
Bansko is 6 h behind Seongnam. Live clocks for both, the working hours they share, and how each one sits against your own time.
−6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Seongnam 03:40 3:40 AM Bansko 21:40 9:40 PM You –:–
03:40 3:40 AM
Korean Standard Time · UTC+9
☀️ 06:42 · 🌙 17:52
21:40 9:40 PM
Eastern European Summer Time · UTC+3
☀️ 07:41 · 🌙 18:43
·
−6 h
Bansko is 6 h behind Seongnam.
When you, Seongnam and Bansko are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Seongnam
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
🇧🇬 Bansko
18 6 PM 19 7 PM 20 8 PM 21 9 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Seongnam | 🇧🇬 Bansko |
|---|---|---|
| Local time | 03:40 | 21:40 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Korean Standard Time | Eastern European Summer Time |
| UTC offset | UTC+9 | UTC+3 |
| Offset from Seongnam | — | −6 h |
| IANA zone | Asia/Seoul | Europe/Sofia |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 06:42 | 07:41 |
| Sunset | 17:52 | 18:43 |
| Daylight | 11 h 10 min | 11 h 3 min |
| People on this clock | 967,510 | 8,000 |
Compare Seongnam with another city
More comparisons with Seongnam: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seongnam and Bansko: common questions
How many hours behind Seongnam is Bansko?
The clocks in Bansko are 6 hours behind those in Seongnam (UTC+3 and UTC+9).
What time is it in Bansko at the start of the working day in Seongnam?
The working day in Seongnam starts at 9:00 AM; in Bansko it is 3:00 AM at that moment.
If it is 6:00 PM in Seongnam, what time is it in Bansko?
At 6:00 PM in Seongnam, clocks in Bansko show 12:00 PM.
When is a good time to call Bansko from Seongnam?
Between 3:00 PM and 6:00 PM in Seongnam – that is 9:00 AM to 12:00 PM in Bansko – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Bansko compared with Seongnam?
The new day starts in Bansko later: until 6:00 AM in Seongnam, it is still the previous day there. From 6:00 PM in Bansko, Seongnam is already on the next day.
Does the time gap between Seongnam and Bansko change during the year?
Yes – daylight saving time is used in Bansko but not in Seongnam. From October 25, 2026, Bansko will be 7 hours behind Seongnam.
