Chicago to St John's time converter

St John's is 1 hour ahead of Chicago. When it is 9:00 AM in Chicago, it is 10:00 AM in St John's.

Chicago CDT

Wednesday, October 21, 2026

St John's AST

Wednesday, October 21, 2026

Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5
St John's
Antigua and Barbuda
Wed, Oct 21
ASTUTC-4+1h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to St John's conversion table

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

ChicagoSt John's
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 St John's).

Daylight saving time and the difference

The difference changes during the year because Chicago and St John's switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +1h
  • Nov 1, 2026 – Mar 14, 2027: +2h
  • Mar 14, 2027 – Oct 21, 2027: +1h

Distance

Chicago and St John's are 3,685 km (2,290 miles) apart in a straight line.

More conversions

St John's to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to St John'sLondon to St John'sLos Angeles to St John'sToronto to St John'sSão Paulo to St John'sParis to St John'sBerlin to St John'sMoscow to St John'sDubai to St John'sNew Delhi to St John'sBangkok to St John'sSingapore to St John's

Questions and answers

What is the time difference between Chicago and St John's?

St John's is 1 hour ahead of Chicago.

What time is it in St John's when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 10:00 AM in St John's.

When is the best time to call St John's from Chicago?

Both sides are at work from 9:00 AM – 5:00 PM in Chicago (10:00 AM – 6:00 PM in St John's).

Does the time difference between Chicago and St John's change?

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