Patterson to Chicago time converter

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

Patterson PDT

Sunday, October 18, 2026

Chicago CDT

Sunday, October 18, 2026

Patterson
California, United States
Sun, Oct 18
PDTUTC-7
Chicago
Illinois, United States
Sun, Oct 18
CDTUTC-5+2h
Finding your time zone…
Shared working hours (9:00–18:00)

Patterson to Chicago conversion table

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

PattersonChicago
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 Patterson (11:00 AM – 6:00 PM in Chicago).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: +2h
  • Nov 1, 2026 – Nov 1, 2026: +1h
  • Nov 1, 2026 – Mar 14, 2027: +2h
  • Mar 14, 2027 – Mar 14, 2027: +3h
  • Mar 14, 2027 – Oct 18, 2027: +2h

Distance

Patterson and Chicago are 2,888 km (1,795 miles) apart in a straight line.

More conversions

Chicago to PattersonPatterson to New YorkPatterson to LondonPatterson to Los AngelesPatterson to TorontoPatterson to São PauloPatterson to ParisPatterson to BerlinPatterson to MoscowPatterson to DubaiPatterson to New DelhiPatterson to BangkokPatterson 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 Patterson and Chicago?

Chicago is 2 hours ahead of Patterson.

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

When it is 9:00 AM in Patterson, it is 11:00 AM in Chicago.

When is the best time to call Chicago from Patterson?

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

Does the time difference between Patterson 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.