Key West to Chicago time converter

Chicago is 1 hour behind Key West. When it is 9:00 AM in Key West, it is 8:00 AM in Chicago.

Key West EDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Florida, United States
Sun, Oct 18
EDTUTC-4
Illinois, United States
Sun, Oct 18
CDTUTC-5-1h
Finding your time zone…

7:40 AM in Key West, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Key West to Chicago conversion table

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

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

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Key West (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: -1h
  • Mar 14, 2027 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 18, 2027: -1h

Distance

Key West and Chicago are 1,998 km (1,241 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Key West and Chicago?

Chicago is 1 hour behind Key West.

What time is it in Chicago when it is 9 AM in Key West?

When it is 9:00 AM in Key West, it is 8:00 AM in Chicago.

When is the best time to call Chicago from Key West?

Both sides are at work from 10:00 AM – 6:00 PM in Key West (9:00 AM – 5:00 PM in Chicago).

Does the time difference between Key West 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.