Live Synchronized Time Difference
SydneytoSan FranciscoTime Difference
🇦🇺
Sydney
Australia (GMT+11)02:10:18UTC+11:00
🇺🇸
San Francisco
United States (PDT)08:10:18UTC-7:00
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 Sydney and San Francisco
Off-Peak Calling Window
Sydney Time
9:00 AM – 11:00 AM
San Francisco Time
3:00 PM – 5:00 PM
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 Sydney and San Francisco.
Work (9am-5pm)ShoulderSleep / Off
| Sydney Time (Australia) | San Francisco Time (United States) | Status & Recommendation |
|---|---|---|
| 00:00AM | 06:00AM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 07:00AM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 08:00AM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 09:00AM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 10:00AM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 11:00AM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 12:00PM-1 day | ⚪ Outside Work Hours |
| 07:00AM | 13:00PM-1 day | ⚪ Outside Work Hours |
| 08:00AM | 14:00PM-1 day | ⚪ Outside Work Hours |
| 09:00AM | 15:00PM-1 day | 🟢 Ideal Meeting Window |
| 10:00AM | 16:00PM-1 day | 🟢 Ideal Meeting Window |
| 11:00AM | 17:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 12:00PM | 18:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 13:00PM | 19:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 20:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 16:00PM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 17:00PM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 18:00PM | 00:00AM | ⚪ Outside Work Hours |
| 19:00PM | 01:00AM | ⚪ Outside Work Hours |
| 20:00PM | 02:00AM | ⚪ Outside Work Hours |
| 21:00PM | 03:00AM | ⚪ Outside Work Hours |
| 22:00PM | 04:00AM | ⚪ Outside Work Hours |
| 23:00PM | 05:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Sydney and San Francisco?
San Francisco is 18 hours behind Sydney.
What is the best time to schedule a cross-border meeting between Sydney and San Francisco?
There are 2 overlapping standard business hours (09:00 - 17:00) between Sydney and San Francisco. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between Sydney and San Francisco?
Yes. If either Australia or United States observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.