Time Difference Between San Francisco and Sydney
Sydney is 17h ahead of San Francisco.
This is the standard-time difference as of 2026. If either city observes daylight saving time, the actual difference can shift by up to an hour for part of the year — the live clocks below always show the current real-time difference.
Working Hours Overlap
For each hour of San Francisco's working day (9:00-18:00), here is the corresponding local time in Sydney. Rows highlighted green fall within standard working hours (9:00-18:00) in both cities.
| San Francisco | Sydney | Both working hours? |
|---|---|---|
| 9 AM | 2 AM | No |
| 10 AM | 3 AM | No |
| 11 AM | 4 AM | No |
| 12 PM | 5 AM | No |
| 1 PM | 6 AM | No |
| 2 PM | 7 AM | No |
| 3 PM | 8 AM | No |
| 4 PM | 9 AM | Yes |
| 5 PM | 10 AM | Yes |
| 6 PM | 11 AM | No |
Best Time to Meet
- 4 PM-6 PM in San Francisco (9 AM-11 AM in Sydney) works for both sides — it falls within standard 9 AM-6 PM working hours in both time zones.
How the Difference Changes in 2026
Because the two cities change their clocks on different dates, the gap is not one number. Here is how Sydney stands relative to San Francisco through 2026:
| Period | Sydney vs San Francisco |
|---|---|
| Jan 1 – Mar 7 | 19h ahead |
| Mar 8 – Apr 4 | 18h ahead |
| Apr 5 – Oct 3 | 17h ahead |
| Oct 4 – Oct 31 | 18h ahead |
| Nov 1 – Dec 31 | 19h ahead |
San Francisco changes its clocks on Mar 8 (clocks forward) and Nov 1 (clocks back); Sydney changes its clocks on Apr 5 (clocks back) and Oct 4 (clocks forward). Dates use the UTC calendar; the switch takes effect early that morning local time.
San Francisco
San Francisco uses the America/Los_Angeles IANA time zone, currently at UTC-7. This zone observes daylight saving time.
Sydney
Sydney uses the Australia/Sydney IANA time zone, currently at UTC+10. This zone observes daylight saving time.