Tonantins to Chicago time converter

Chicago is 1 hour behind Tonantins. When it is 9:00 AM in Tonantins, it is 8:00 AM in Chicago.

Tonantins AMT

Monday, October 19, 2026

Chicago CDT

Monday, October 19, 2026

Tonantins
Amazonas, Brazil
Mon, Oct 19
AMTUTC-4
Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Tonantins to Chicago conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 19, 2027: -1h

Distance

Tonantins and Chicago are 5,361 km (3,331 miles) apart in a straight line.

More conversions

Chicago to TonantinsTonantins to New YorkTonantins to LondonTonantins to Los AngelesTonantins to TorontoTonantins to São PauloTonantins to ParisTonantins to BerlinTonantins to MoscowTonantins to DubaiTonantins to New DelhiTonantins to BangkokTonantins 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 Tonantins and Chicago?

Chicago is 1 hour behind Tonantins.

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

When it is 9:00 AM in Tonantins, it is 8:00 AM in Chicago.

When is the best time to call Chicago from Tonantins?

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

Does the time difference between Tonantins 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.