Barcelona to Naperville, IL: time difference
Naperville, IL is 7 h behind Barcelona. 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.
Barcelona 02:10 2:10 AM Naperville, IL 19:10 7:10 PM You –:–
02:10 2:10 AM
Central European Summer Time · UTC+2
☀️ 08:10 · 🌙 19:03
19:10 7:10 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:05
·
−7 h
Naperville, IL is 7 h behind Barcelona.
When you, Barcelona 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
🇪🇸 Barcelona
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
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 16 4 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇪🇸 Barcelona | 🇺🇸 Naperville, IL |
|---|---|---|
| Local time | 02:10 | 19:10 |
| Local date | Wednesday, October 21, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central European Summer Time | Central Daylight Time |
| UTC offset | UTC+2 | UTC-5 |
| Offset from Barcelona | — | −7 h |
| IANA zone | Europe/Madrid | America/Chicago |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 08:10 | 07:11 |
| Sunset | 19:03 | 18:05 |
| Daylight | 10 h 53 min | 10 h 54 min |
| People on this clock | 1,660,122 | 149,540 |
Compare Barcelona with another city
More comparisons with Barcelona: the time zones next to it and the far side of the clock.
Big time differences
Barcelona and Naperville, IL: common questions
How many hours behind Barcelona is Naperville, IL?
The clocks in Naperville are 7 hours behind those in Barcelona (UTC−5 and UTC+2).
If it is 9:00 AM in Barcelona, what time is it in Naperville, IL?
At 9:00 AM in Barcelona, clocks in Naperville show 2:00 AM.
If it is 6:00 PM in Barcelona, what time is it in Naperville, IL?
At 6:00 PM in Barcelona, clocks in Naperville show 11:00 AM.
When do working hours in Barcelona and in Naperville, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 4:00 PM to 6:00 PM in Barcelona, which is 9:00 AM to 11:00 AM in Naperville.
When is it still the previous day in Naperville, IL?
Until 7:00 AM in Barcelona it is still the previous day in Naperville. The other way round, from 5:00 PM in Naperville it is already the next day in Barcelona.
Does the time difference between Barcelona and Naperville, IL, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Naperville will be 6 hours behind Barcelona.
