Lisbon to Chicago Time Difference
Chicago is 6 hours behind Lisbon. When it's 02:34:15 PM in Lisbon, it's 08:34:15 AM in Chicago.
How Many Hours Behind Is Chicago From Lisbon?
Chicago is 6 hours behind Lisbon. So Lisbon is 6 hours ahead of Chicago looking the other way — the same gap, described from the other end.
In practice that means a working day in Lisbon starts when it is already 3:00 AM in Chicago. The gap is not fixed all year: it becomes 5 hours on Sunday, October 25, 2026, when Lisbon changes its clocks.
Best Time to Call Lisbon and Chicago
Both cities are inside normal business hours between 3:00 PM and 5:00 PM in Lisbon — that's 9:00 AM to 11:00 AM in Chicago. That's a 2-hour window, so a call fits comfortably in either side's working day.
both at work Lisbon only Chicago only neither — hours shown along the strip are Lisbon local time.
Convert a Specific Time
Pick any date and time in Lisbon to see the exact equivalent in Chicago.
Common Times Converted
Lisbon time on the left, Chicago time on the right.
Lisbon to Chicago: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Lisbon. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Lisbon | Chicago | Working hours |
|---|---|---|
| 12:00 AM | 6:00 PM prev day | — |
| 1:00 AM | 7:00 PM prev day | — |
| 2:00 AM | 8:00 PM prev day | — |
| 3:00 AM | 9:00 PM prev day | — |
| 4:00 AM | 10:00 PM prev day | — |
| 5:00 AM | 11:00 PM prev day | — |
| 6:00 AM | 12:00 AM | — |
| 7:00 AM | 1:00 AM | — |
| 8:00 AM | 2:00 AM | — |
| 9:00 AM | 3:00 AM | Lisbon only |
| 10:00 AM | 4:00 AM | Lisbon only |
| 11:00 AM | 5:00 AM | Lisbon only |
| 12:00 PM | 6:00 AM | Lisbon only |
| 1:00 PM | 7:00 AM | Lisbon only |
| 2:00 PM | 8:00 AM | Lisbon only |
| 3:00 PM | 9:00 AM | Both cities |
| 4:00 PM | 10:00 AM | Both cities |
| 5:00 PM | 11:00 AM | Chicago only |
| 6:00 PM | 12:00 PM | Chicago only |
| 7:00 PM | 1:00 PM | Chicago only |
| 8:00 PM | 2:00 PM | Chicago only |
| 9:00 PM | 3:00 PM | Chicago only |
| 10:00 PM | 4:00 PM | Chicago only |
| 11:00 PM | 5:00 PM | — |
Understanding the Lisbon – Chicago Time Difference
Lisbon runs on Europe/Lisbon, currently WEST (UTC+1:00). Chicago runs on America/Chicago, currently CDT (UTC-5:00). The gap of 6 hours is simply the distance between those two offsets.
Both cities observe Daylight Saving Time, but they don't switch on the same date — so for a few weeks each year the gap between them is different again. The next shift is on Sunday, October 25, 2026, when Lisbon adjusts its clocks and the difference becomes 5 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States.
Lisbon today
Chicago today
Frequently Asked Questions
What is the time difference between Lisbon and Chicago?
Chicago is currently 6 hours behind Lisbon. That gap becomes 5 hours on Sunday, October 25, 2026, when Lisbon changes its clocks.
How many hours behind is Chicago from Lisbon?
Chicago is 6 hours behind Lisbon. Looking at it the other way, Lisbon is 6 hours ahead of Chicago.
What time is it in Chicago when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 3:00 AM in Chicago.
Is Chicago ahead of or behind Lisbon?
Chicago is 6 hours behind Lisbon. Lisbon reaches each point in the day first, so Chicago is still getting started while the Lisbon working day is finishing.
What is the best time to call between Lisbon and Chicago?
Between 3:00 PM and 5:00 PM Lisbon time, which is 9:00 AM to 11:00 AM in Chicago. Both cities are inside normal business hours during that window.
Does the time difference between Lisbon and Chicago change during the year?
Yes. Both cities observe Daylight Saving Time, and they do not always switch on the same date, so the gap between them shifts during the year. It changes to 5 hours on Sunday, October 25, 2026.
What time zones are Lisbon and Chicago in?
Lisbon uses the Europe/Lisbon time zone, currently WEST (UTC+1:00). Chicago uses America/Chicago, currently CDT (UTC-5:00).