Lisbon to Bolingbrook, IL: time difference
Bolingbrook, IL is 6 h behind Lisbon. 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.
Lisbon 10:06 10:06 AM Bolingbrook, IL 04:06 4:06 AM You –:–
10:06 10:06 AM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
04:06 4:06 AM
Central Daylight Time · UTC-5
☀️ 07:08 · 🌙 18:08
·
−6 h
Bolingbrook, IL is 6 h behind Lisbon.
When you, Lisbon and Bolingbrook, 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
🇵🇹 Lisbon
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
🇺🇸 Bolingbrook, IL
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 | 🇵🇹 Lisbon | 🇺🇸 Bolingbrook, IL |
|---|---|---|
| Local time | 10:06 | 04:06 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Western European Summer Time | Central Daylight Time |
| UTC offset | UTC+1 | UTC-5 |
| Offset from Lisbon | — | −6 h |
| IANA zone | Europe/Lisbon | America/Chicago |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:49 | 07:08 |
| Sunset | 18:56 | 18:08 |
| Daylight | 11 h 7 min | 10 h 59 min |
| People on this clock | 545,923 | 73,922 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Bolingbrook, IL: common questions
How many hours behind Lisbon is Bolingbrook, IL?
The clocks in Bolingbrook are 6 hours behind those in Lisbon (UTC−5 and UTC+1).
What time is it in Bolingbrook, IL, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 3:00 AM in Bolingbrook.
What time is it in Bolingbrook, IL, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 12:00 PM in Bolingbrook.
When do working hours in Lisbon and in Bolingbrook, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 12:00 PM in Bolingbrook.
When is it still the previous day in Bolingbrook, IL?
Until 6:00 AM in Lisbon it is still the previous day in Bolingbrook. The other way round, from 6:00 PM in Bolingbrook it is already the next day in Lisbon.
Does the time difference between Lisbon and Bolingbrook, IL, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Bolingbrook will be 5 hours behind Lisbon.
