Live Synchronized Time Difference
San FranciscotoSydneyTime Difference
🇺🇸
San Francisco
United States (PDT)08:10:19UTC-7:00
🇦🇺
Sydney
Australia (GMT+11)02:10:19UTC+11:00
Direct Distance11,948 km (7,424 miles)
Estimated Flight Time~14.6 hours
Business Overlap2 overlapping hours (9am–5pm)
Mutual Working Window: 2 Overlapping Hours
Recommended calling window between San Francisco and Sydney
Off-Peak Calling Window
San Francisco Time
3:00 PM – 5:00 PM
Sydney Time
9:00 AM – 11:00 AM
Both locations share 2 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between San Francisco and Sydney.
Work (9am-5pm)ShoulderSleep / Off
| San Francisco Time (United States) | Sydney Time (Australia) | Status & Recommendation |
|---|---|---|
| 00:00AM | 18:00PM | ⚪ Outside Work Hours |
| 01:00AM | 19:00PM | ⚪ Outside Work Hours |
| 02:00AM | 20:00PM | ⚪ Outside Work Hours |
| 03:00AM | 21:00PM | ⚪ Outside Work Hours |
| 04:00AM | 22:00PM | ⚪ Outside Work Hours |
| 05:00AM | 23:00PM | ⚪ Outside Work Hours |
| 06:00AM | 00:00AM | ⚪ Outside Work Hours |
| 07:00AM | 01:00AM | ⚪ Outside Work Hours |
| 08:00AM | 02:00AM | ⚪ Outside Work Hours |
| 09:00AM | 03:00AM | ⚪ Outside Work Hours |
| 10:00AM | 04:00AM | ⚪ Outside Work Hours |
| 11:00AM | 05:00AM | ⚪ Outside Work Hours |
| 12:00PM | 06:00AM | ⚪ Outside Work Hours |
| 13:00PM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 16:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 17:00PM | 11:00AM | ⚪ Outside Work Hours |
| 18:00PM | 12:00PM | ⚪ Outside Work Hours |
| 19:00PM | 13:00PM | ⚪ Outside Work Hours |
| 20:00PM | 14:00PM | ⚪ Outside Work Hours |
| 21:00PM | 15:00PM | ⚪ Outside Work Hours |
| 22:00PM | 16:00PM | ⚪ Outside Work Hours |
| 23:00PM | 17:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between San Francisco and Sydney?
Sydney is 18 hours ahead of San Francisco.
What is the best time to schedule a cross-border meeting between San Francisco and Sydney?
There are 2 overlapping standard business hours (09:00 - 17:00) between San Francisco and Sydney. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between San Francisco and Sydney?
Yes. If either United States or Australia observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.