Guaynabo to Chicago time converter

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

Guaynabo AST

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Guaynabo
Puerto Rico
Sun, Oct 18
ASTUTC-4
Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Guaynabo to Chicago conversion table

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

GuaynaboChicago
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 Guaynabo (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 18, 2027: -1h

Distance

Guaynabo and Chicago are 3,314 km (2,059 miles) apart in a straight line.

More conversions

Chicago to GuaynaboGuaynabo to New YorkGuaynabo to LondonGuaynabo to Los AngelesGuaynabo to TorontoGuaynabo to São PauloGuaynabo to ParisGuaynabo to BerlinGuaynabo to MoscowGuaynabo to DubaiGuaynabo to New DelhiGuaynabo to BangkokGuaynabo 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 Guaynabo and Chicago?

Chicago is 1 hour behind Guaynabo.

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

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

When is the best time to call Chicago from Guaynabo?

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

Does the time difference between Guaynabo 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.