Paris to Chicago time: difference and best time to call

How to read it

Paris and Chicago, side by side

Each row is one city's day, half an hour to a square, lined up by the hours along the bottom.

A

Paris

Chicago

Paris time

00:0003:0006:0009:0012:0015:0018:0021:00

Chicago time

17:0020:0023:0002:0005:0008:0011:0014:00

Filled: at the desk, 9:00 to 18:00 where that city is.
Grey: up early, up late, or the weekend.
Outline: asleep.
Red band: your slot. Read straight down to see the same moment in every city.
A marks the best time for everyone; B, when there is one, the next best.

The red band is the best time to call on Wed, 21 Oct 2026: 16:00–17:00 in Paris, which is 09:00–10:00 in Chicago.

Through the year

How the gap between Paris and Chicago moves

Chicago is 7h behind Paris today. Daylight saving moves it:

7h

Chicago 7h behind Paris
Chicago 6h behind Paris

Sun, 25 Oct 2026 Paris's clocks go back an hour. Chicago is then 6h behind Paris.
Sun, 1 Nov 2026 Chicago's clocks go back an hour. Chicago is then 7h behind Paris.
Sun, 14 Mar 2027 Chicago's clocks go forward an hour. Chicago is then 6h behind Paris.
Sun, 28 Mar 2027 Paris's clocks go forward an hour. Chicago is then 7h behind Paris.

Hour by hour

Paris to Chicago time, hour by hour

On a working day (Wed, 21 Oct 2026), with working hours of 9:00 to 18:00 in both cities.

Paris starts work 09:00 02:00 in Chicago Asleep
Chicago starts work 09:00 16:00 in Paris At desk
Paris finishes work 18:00 11:00 in Chicago At desk
Chicago finishes work 18:00 01:00 Wed in Paris Asleep

Show all 24 hours

Paris	Chicago
00:00 Asleep	17:00 Tue At desk
01:00 Asleep	18:00 Tue Late
02:00 Asleep	19:00 Tue Late
03:00 Asleep	20:00 Tue Late
04:00 Asleep	21:00 Tue Late
05:00 Asleep	22:00 Tue Asleep
06:00 Asleep	23:00 Tue Asleep
07:00 Early	00:00 Asleep
08:00 Early	01:00 Asleep
09:00 At desk	02:00 Asleep
10:00 At desk	03:00 Asleep
11:00 At desk	04:00 Asleep
12:00 At desk	05:00 Asleep
13:00 At desk	06:00 Asleep
14:00 At desk	07:00 Early
15:00 At desk	08:00 Early
16:00 At desk	09:00 At desk
17:00 At desk	10:00 At desk
18:00 Late	11:00 At desk
19:00 Late	12:00 At desk
20:00 Late	13:00 At desk
21:00 Late	14:00 At desk
22:00 Asleep	15:00 At desk
23:00 Asleep	16:00 At desk

Questions

Questions people ask

What is the time difference between Paris and Chicago?

Chicago is 7h behind Paris (as of Wed, 21 Oct 2026). That changes on Sun, 25 Oct 2026, when Paris's clocks go back: then Chicago is 6h behind Paris.

What is the best time for a call between Paris and Chicago?

On a working day, the best time for a call is 16:00–17:00 in Paris (09:00–10:00 in Chicago) until 24 Oct 2026 and from 1 Nov 2026 to 13 Mar 2027 and from 28 Mar 2027, and 15:00–16:00 in Paris (09:00–10:00 in Chicago) from 25 Oct 2026 to 31 Oct 2026 and from 14 Mar 2027 to 27 Mar 2027.

Does Paris change its clocks?

Yes. Paris moves its clocks back an hour on Sun, 25 Oct 2026, and forward an hour on Sun, 28 Mar 2027.

Does Chicago change its clocks?

Yes. Chicago moves its clocks back an hour on Sun, 1 Nov 2026, and forward an hour on Sun, 14 Mar 2027.

More city pairs

Compare more cities

All 190 city pairs

From the team behind 10:10

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Paris and Chicago: time difference and the best time to call