Chicago to San Francisco time converter

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

Chicago CDT

Wednesday, October 21, 2026

San Francisco CST

Wednesday, October 21, 2026

Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5
San Francisco
El Salvador
Wed, Oct 21
CSTUTC-6-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Chicago to San Francisco conversion table

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

ChicagoSan Francisco
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 Chicago (9:00 AM – 5:00 PM in San Francisco).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Mar 14, 2027: ±0
  • Mar 14, 2027 – Oct 21, 2027: -1h

Distance

Chicago and San Francisco are 3,131 km (1,946 miles) apart in a straight line.

More conversions

San Francisco 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 San FranciscoLondon to San FranciscoLos Angeles to San FranciscoToronto to San FranciscoSão Paulo to San FranciscoParis to San FranciscoBerlin to San FranciscoMoscow to San FranciscoDubai to San FranciscoNew Delhi to San FranciscoBangkok to San FranciscoSingapore to San Francisco

Questions and answers

What is the time difference between Chicago and San Francisco?

San Francisco is 1 hour behind Chicago.

What time is it in San Francisco when it is 9 AM in Chicago?

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

When is the best time to call San Francisco from Chicago?

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

Does the time difference between Chicago and San Francisco change?

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