Chicago to Kostyantynivka time converter

Kostyantynivka is 8 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 5:00 PM in Kostyantynivka.

Chicago CDT

Tuesday, October 20, 2026

Kostyantynivka EEST

Tuesday, October 20, 2026

Chicago
Illinois, United States
Tue, Oct 20
CDTUTC-5
Kostyantynivka
Ukraine
Tue, Oct 20
EESTUTC+3+8h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Kostyantynivka conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 24, 2026: +8h
  • Oct 24, 2026 – Nov 1, 2026: +7h
  • Nov 1, 2026 – Mar 14, 2027: +8h
  • Mar 14, 2027 – Mar 27, 2027: +7h
  • Mar 27, 2027 – Oct 20, 2027: +8h

Distance

Chicago and Kostyantynivka are 8,631 km (5,363 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Chicago and Kostyantynivka?

Kostyantynivka is 8 hours ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 5:00 PM in Kostyantynivka.

When is the best time to call Kostyantynivka from Chicago?

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

Does the time difference between Chicago and Kostyantynivka change?

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