Guidonia Montecelio to Chicago time converter

Chicago is 7 hours behind Guidonia Montecelio. When it is 9:00 AM in Guidonia Montecelio, it is 2:00 AM in Chicago.

Guidonia Montecelio CEST

Tuesday, October 20, 2026

Chicago CDT

Monday, October 19, 2026

Guidonia Montecelio
Italy
Tue, Oct 20
CESTUTC+2
Chicago
Illinois, United States
Mon, Oct 19
CDTUTC-5-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Guidonia Montecelio to Chicago conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Nov 1, 2026: -6h
  • Nov 1, 2026 – Mar 14, 2027: -7h
  • Mar 14, 2027 – Mar 28, 2027: -6h
  • Mar 28, 2027 – Oct 20, 2027: -7h

Distance

Guidonia Montecelio and Chicago are 7,752 km (4,817 miles) apart in a straight line.

More conversions

Chicago to Guidonia MontecelioGuidonia Montecelio to New YorkGuidonia Montecelio to LondonGuidonia Montecelio to Los AngelesGuidonia Montecelio to TorontoGuidonia Montecelio to São PauloGuidonia Montecelio to ParisGuidonia Montecelio to BerlinGuidonia Montecelio to MoscowGuidonia Montecelio to DubaiGuidonia Montecelio to New DelhiGuidonia Montecelio to BangkokGuidonia Montecelio 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 Guidonia Montecelio and Chicago?

Chicago is 7 hours behind Guidonia Montecelio.

What time is it in Chicago when it is 9 AM in Guidonia Montecelio?

When it is 9:00 AM in Guidonia Montecelio, it is 2:00 AM in Chicago.

When is the best time to call Chicago from Guidonia Montecelio?

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

Does the time difference between Guidonia Montecelio 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.