Reunion to Chicago time converter

Chicago is 9 hours behind Reunion. When it is 9:00 AM in Reunion, it is 12:00 AM in Chicago.

Reunion UTC+4

Saturday, October 17, 2026

Chicago CDT

Friday, October 16, 2026

Reunion
Sat, Oct 17
UTC+4
Chicago
Illinois, United States
Fri, Oct 16
CDTUTC-5-9h
Finding your time zone…
Shared working hours (9:00–18:00)

Reunion to Chicago conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Reunion (7:00 AM – 9:00 AM 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 Reunion and Chicago switch clocks on different dates:

  • Oct 17, 2026 – Nov 1, 2026: -9h
  • Nov 1, 2026 – Mar 14, 2027: -10h
  • Mar 14, 2027 – Oct 17, 2027: -9h

More conversions

Chicago to ReunionReunion to New YorkReunion to LondonReunion to Los AngelesReunion to TorontoReunion to São PauloReunion to ParisReunion to BerlinReunion to MoscowReunion to DubaiReunion to New DelhiReunion to BangkokReunion 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 Reunion and Chicago?

Chicago is 9 hours behind Reunion.

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

When it is 9:00 AM in Reunion, it is 12:00 AM in Chicago.

When is the best time to call Chicago from Reunion?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Reunion (7:00 AM – 9:00 AM in Chicago): working hours on one side, early or late on the other.

Does the time difference between Reunion 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.