Chicago to Mount Vernon time converter

Mount Vernon is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in Mount Vernon.

Chicago CDT

Sunday, October 18, 2026

Mount Vernon EDT

Sunday, October 18, 2026

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

12:00 PM in Chicago, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Chicago to Mount Vernon conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Chicago and Mount Vernon 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

Chicago and Mount Vernon are 1,156 km (718 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chicago and Mount Vernon?

Mount Vernon is 1 hour ahead of Chicago.

What time is it in Mount Vernon when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 10:00 AM in Mount Vernon.

When is the best time to call Mount Vernon from Chicago?

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

Does the time difference between Chicago and Mount Vernon change?

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