Time Difference: San Francisco vs Sydney
San Francisco
12:24:56 AM PDT
Thursday, May 14, 2026
17h
17h
Sydney
5:24:56 PM AEST
Thursday, May 14, 2026
Sydney is 17 hours ahead of San Francisco.
Quick Reference
- San Francisco
- PDT (GMT-7)
PST starts on Nov 1, 2026
- Sydney
- AEST (GMT+10)
AEDT starts on Oct 3, 2026
Frequently Asked Questions
- What is the time difference between San Francisco and Sydney?
- Sydney is 17 hours ahead of San Francisco.
- When is the best time to call from San Francisco to Sydney?
- 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. San Francisco uses PDT and Sydney uses AEST.