Time Difference: Chicago vs San Francisco
Chicago
10:15:27 AM CST
Friday, November 13, 2026
2h
2h
San Francisco
8:15:27 AM PST
Friday, November 13, 2026
San Francisco is 2 hours behind Chicago.
Quick Reference
- Chicago
- CST (GMT-6)
CDT starts on Mar 14, 2027
- San Francisco
- PST (GMT-8)
PDT starts on Mar 14, 2027
Frequently Asked Questions
- What is the time difference between Chicago and San Francisco?
- San Francisco is 2 hours behind Chicago.
- When is the best time to call from Chicago to San Francisco?
- The best time to call is during overlapping business hours (9 AM – 5 PM) in both cities. Use the interactive converter on this page to visually compare hours side by side.
- Does the time difference change with daylight saving time?
- The time difference may change when either city enters or exits daylight saving time. Chicago uses CST and San Francisco uses PST.