Chicago to Petaluma time converter

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

Chicago CDT

Sunday, October 18, 2026

Petaluma PDT

Sunday, October 18, 2026

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

Chicago to Petaluma conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Chicago and Petaluma 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

Chicago and Petaluma are 2,985 km (1,855 miles) apart in a straight line.

More conversions

Petaluma to ChicagoChicago to New YorkChicago to LondonChicago to Los AngelesChicago to TorontoChicago to São PauloChicago to ParisChicago to BerlinChicago to MoscowChicago to DubaiChicago to New DelhiChicago to BangkokChicago to Singapore
New York to PetalumaLondon to PetalumaLos Angeles to PetalumaToronto to PetalumaSão Paulo to PetalumaParis to PetalumaBerlin to PetalumaMoscow to PetalumaDubai to PetalumaNew Delhi to PetalumaBangkok to PetalumaSingapore to Petaluma

Questions and answers

What is the time difference between Chicago and Petaluma?

Petaluma is 2 hours behind Chicago.

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

When it is 9:00 AM in Chicago, it is 7:00 AM in Petaluma.

When is the best time to call Petaluma from Chicago?

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

Does the time difference between Chicago and Petaluma change?

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