Ob to Chicago time converter

Chicago is 12 hours behind Ob. When it is 9:00 AM in Ob, it is 9:00 PM (Fri, Oct 16) in Chicago.

Ob NOVT

Saturday, October 17, 2026

Chicago CDT

Saturday, October 17, 2026

Novosibirsk Oblast, Russia
Sat, Oct 17
NOVTUTC+7
Illinois, United States
Sat, Oct 17
CDTUTC-5-12h
Finding your time zone…

1:24 PM in Ob, Saturday, October 17, 2026

Shared working hours (9:00–18:00)

Ob to Chicago conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Ob (9:00 PM – 10:00 PM in Chicago): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 17, 2026 – Nov 1, 2026: -12h
  • Nov 1, 2026 – Mar 14, 2027: -13h
  • Mar 14, 2027 – Oct 17, 2027: -12h

Distance

Ob and Chicago are 9,208 km (5,722 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Ob and Chicago?

Chicago is 12 hours behind Ob.

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

When it is 9:00 AM in Ob, it is 9:00 PM (Fri, Oct 16) in Chicago.

When is the best time to call Chicago from Ob?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Ob (9:00 PM – 10:00 PM in Chicago): working hours on one side, early or late on the other.

Does the time difference between Ob 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.