Chicago to Grigny time converter

Grigny is 7 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 4:00 PM in Grigny.

Chicago CDT

Saturday, October 17, 2026

Grigny CEST

Saturday, October 17, 2026

Illinois, United States
Sat, Oct 17
CDTUTC-5
France
Sat, Oct 17
CESTUTC+2+7h
Finding your time zone…

2:43 PM in Chicago, Saturday, October 17, 2026

Shared working hours (9:00–18:00)

Chicago to Grigny conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 17, 2026 – Oct 24, 2026: +7h
  • Oct 24, 2026 – Nov 1, 2026: +6h
  • Nov 1, 2026 – Mar 14, 2027: +7h
  • Mar 14, 2027 – Mar 27, 2027: +6h
  • Mar 27, 2027 – Oct 17, 2027: +7h

Distance

Chicago and Grigny are 6,668 km (4,143 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chicago and Grigny?

Grigny is 7 hours ahead of Chicago.

What time is it in Grigny when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 4:00 PM in Grigny.

When is the best time to call Grigny from Chicago?

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

Does the time difference between Chicago and Grigny change?

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