Chicago to Oi time converter

Oi is 14 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 11:00 PM in Oi.

Chicago CDT

Friday, October 16, 2026

Oi JST

Saturday, October 17, 2026

Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5
Oi
Japan
Sat, Oct 17
JSTUTC+9+14h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to Oi conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Chicago (7:00 AM – 8:00 AM in Oi): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 16, 2026 – Nov 1, 2026: +14h
  • Nov 1, 2026 – Mar 14, 2027: +15h
  • Mar 14, 2027 – Oct 16, 2027: +14h

Distance

Chicago and Oi are 10,133 km (6,296 miles) apart in a straight line.

More conversions

Oi 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 OiLondon to OiLos Angeles to OiToronto to OiSão Paulo to OiParis to OiBerlin to OiMoscow to OiDubai to OiNew Delhi to OiBangkok to OiSingapore to Oi

Questions and answers

What is the time difference between Chicago and Oi?

Oi is 14 hours ahead of Chicago.

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

When it is 9:00 AM in Chicago, it is 11:00 PM in Oi.

When is the best time to call Oi from Chicago?

Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Chicago (7:00 AM – 8:00 AM in Oi): working hours on one side, early or late on the other.

Does the time difference between Chicago and Oi change?

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