Chicago to Mariano Roque Alonso time converter

Mariano Roque Alonso is 2 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 11:00 AM in Mariano Roque Alonso.

Chicago CDT

Wednesday, October 21, 2026

Mariano Roque Alonso UTC-3

Wednesday, October 21, 2026

Illinois, United States
Wed, Oct 21
CDTUTC-5
Wed, Oct 21
UTC-3+2h
Finding your time zone…

3:59 AM in Chicago, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Chicago to Mariano Roque Alonso conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 4:00 PM in Chicago (11:00 AM – 6:00 PM in Mariano Roque Alonso).

Daylight saving time and the difference

The difference changes during the year because Chicago and Mariano Roque Alonso switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +2h
  • Nov 1, 2026 – Mar 14, 2027: +3h
  • Mar 14, 2027 – Oct 21, 2027: +2h

Distance

Chicago and Mariano Roque Alonso are 8,074 km (5,017 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chicago and Mariano Roque Alonso?

Mariano Roque Alonso is 2 hours ahead of Chicago.

What time is it in Mariano Roque Alonso when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 11:00 AM in Mariano Roque Alonso.

When is the best time to call Mariano Roque Alonso from Chicago?

Both sides are at work from 9:00 AM – 4:00 PM in Chicago (11:00 AM – 6:00 PM in Mariano Roque Alonso).

Does the time difference between Chicago and Mariano Roque Alonso change?

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