Chicago to San Francisco time converter

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

Chicago CDT

Wednesday, October 21, 2026

San Francisco ART

Wednesday, October 21, 2026

Illinois, United States
Wed, Oct 21
CDTUTC-5
Argentina
Wed, Oct 21
ARTUTC-3+2h
Finding your time zone…

1:40 PM in Chicago, Wednesday, October 21, 2026

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 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 Chicago (11:00 AM – 6:00 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: +2h
  • Nov 1, 2026 – Mar 14, 2027: +3h
  • Mar 14, 2027 – Oct 21, 2027: +2h

Distance

Chicago and San Francisco are 8,558 km (5,318 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Chicago and San Francisco?

San Francisco is 2 hours ahead of 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 11:00 AM in San Francisco.

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

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