Colchester to Chicago time converter

Chicago is 6 hours behind Colchester. When it is 9:00 AM in Colchester, it is 3:00 AM in Chicago.

Colchester BST

Monday, October 19, 2026

Chicago CDT

Monday, October 19, 2026

Colchester
United Kingdom
Mon, Oct 19
BSTUTC+1
Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Colchester to Chicago conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Colchester (9:00 AM – 12:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -6h
  • Mar 14, 2027 – Mar 28, 2027: -5h
  • Mar 28, 2027 – Oct 19, 2027: -6h

Distance

Colchester and Chicago are 6,399 km (3,976 miles) apart in a straight line.

More conversions

Chicago to ColchesterColchester to New YorkColchester to LondonColchester to Los AngelesColchester to TorontoColchester to São PauloColchester to ParisColchester to BerlinColchester to MoscowColchester to DubaiColchester to New DelhiColchester to BangkokColchester 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 Colchester and Chicago?

Chicago is 6 hours behind Colchester.

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

When it is 9:00 AM in Colchester, it is 3:00 AM in Chicago.

When is the best time to call Chicago from Colchester?

Both sides are at work from 3:00 PM – 6:00 PM in Colchester (9:00 AM – 12:00 PM in Chicago).

Does the time difference between Colchester 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.