Time Difference: Houston vs San Francisco
San Francisco is 2 hours behind Houston.
Quick Reference
- Houston
- CDT (GMT-5)
CST starts on Nov 1, 2026
- San Francisco
- PDT (GMT-7)
PST starts on Nov 1, 2026
Frequently Asked Questions
- What is the time difference between Houston and San Francisco?
- San Francisco is 2 hours behind Houston.
- When is the best time to call from Houston 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. Houston uses CDT and San Francisco uses PDT.