Les Ulis to Chicago time converter

Chicago is 7 hours behind Les Ulis. When it is 9:00 AM in Les Ulis, it is 2:00 AM in Chicago.

Les Ulis CEST

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Les Ulis
France
Sun, Oct 18
CESTUTC+2
Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Les Ulis to Chicago conversion table

Every hour of today in Les Ulis and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

Les UlisChicago
12:00 AM5:00 PM−1 day
1:00 AM6:00 PM−1 day
2:00 AM7:00 PM−1 day
3:00 AM8:00 PM−1 day
4:00 AM9:00 PM−1 day
5:00 AM10:00 PM−1 day
6:00 AM11:00 PM−1 day
7:00 AM12:00 AM
8:00 AM1:00 AM
9:00 AM2:00 AM
10:00 AM3:00 AM
11:00 AM4:00 AM
12:00 PM5:00 AM
1:00 PM6:00 AM
2:00 PM7:00 AM
3:00 PM8:00 AM
4:00 PM9:00 AM
5:00 PM10:00 AM
6:00 PM11:00 AM
7:00 PM12:00 PM
8:00 PM1:00 PM
9:00 PM2:00 PM
10:00 PM3:00 PM
11:00 PM4:00 PM

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Les Ulis (9:00 AM – 11:00 AM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Les Ulis and Chicago switch clocks on different dates:

  • Oct 18, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Nov 1, 2026: -6h
  • Nov 1, 2026 – Mar 14, 2027: -7h
  • Mar 14, 2027 – Mar 28, 2027: -6h
  • Mar 28, 2027 – Oct 18, 2027: -7h

Distance

Les Ulis and Chicago are 6,652 km (4,133 miles) apart in a straight line.

More conversions

Chicago to Les UlisLes Ulis to New YorkLes Ulis to LondonLes Ulis to Los AngelesLes Ulis to TorontoLes Ulis to São PauloLes Ulis to ParisLes Ulis to BerlinLes Ulis to MoscowLes Ulis to DubaiLes Ulis to New DelhiLes Ulis to BangkokLes Ulis to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Les Ulis and Chicago?

Chicago is 7 hours behind Les Ulis.

What time is it in Chicago when it is 9 AM in Les Ulis?

When it is 9:00 AM in Les Ulis, it is 2:00 AM in Chicago.

When is the best time to call Chicago from Les Ulis?

Both sides are at work from 4:00 PM – 6:00 PM in Les Ulis (9:00 AM – 11:00 AM in Chicago).

Does the time difference between Les Ulis and Chicago change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.