Bansko to Naperville, IL: time difference
Naperville, IL is 8 h behind Bansko. 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.
Bansko 23:23 11:23 PM Naperville, IL 15:23 3:23 PM You –:–
23:23 11:23 PM
Eastern European Summer Time · UTC+3
☀️ 07:44 · 🌙 18:39
15:23 3:23 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:05
·
−8 h
Naperville, IL is 8 h behind Bansko.
When you, Bansko and Naperville, IL are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇬 Bansko
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
🇺🇸 Naperville, IL
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 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
📍 Your time
- Asleep
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- Working hours
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Time zones side by side
| Detail | 🇧🇬 Bansko | 🇺🇸 Naperville, IL |
|---|---|---|
| Local time | 23:23 | 15:23 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern European Summer Time | Central Daylight Time |
| UTC offset | UTC+3 | UTC-5 |
| Offset from Bansko | — | −8 h |
| IANA zone | Europe/Sofia | America/Chicago |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:44 | 07:11 |
| Sunset | 18:39 | 18:05 |
| Daylight | 10 h 55 min | 10 h 54 min |
| People on this clock | 8,000 | 149,540 |
Compare Bansko with another city
More comparisons with Bansko: the time zones next to it and the far side of the clock.
Big time differences
Bansko and Naperville, IL: common questions
How far behind Bansko is Naperville, IL?
Naperville is 8 hours behind Bansko: UTC−5 against UTC+3.
What time is it in Naperville, IL, at the start of the working day in Bansko?
The working day in Bansko starts at 9:00 AM; in Naperville it is 1:00 AM at that moment.
What time is it in Naperville, IL, at the end of the working day in Bansko?
The working day in Bansko ends at 6:00 PM; in Naperville it is 10:00 AM at that moment.
When do working hours in Bansko and in Naperville, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 5:00 PM to 6:00 PM in Bansko, which is 9:00 AM to 10:00 AM in Naperville.
Until what time in Bansko is it still yesterday in Naperville, IL?
Before 8:00 AM in Bansko, the date in Naperville has not changed yet. From 4:00 PM in Naperville, it is already the next day in Bansko.
Does the time difference between Bansko and Naperville, IL, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Naperville will be 7 hours behind Bansko.
