🇦🇺 Sydney ↔ 🇺🇸 San Francisco

Sydney is usually 17 hours ahead of San Francisco. Both observe daylight saving time, so the difference shifts by an hour for a few weeks around the spring and autumn changeovers.

Sunrise 7:01 AMSunset 4:55 PM(local)

Sunrise 5:49 AMSunset 8:36 PM(local)

Sydney: standard timeNow UTC+10. Next change: October 4, 2026 — clocks go forward 1 hour.
San Francisco: daylight saving timeNow UTC-7 PDT. Next change: November 1, 2026 — clocks go back 1 hour.
SydneyUTC+10
San FranciscoUTC-7PDT

🇦🇺 Sydney

Dialing code+61
Population5,557,233
Coordinates33.87°S, 151.21°E
Elevation58 m

🇺🇸 San Francisco

Dialing code+1
Population827,526
Coordinates37.77°N, 122.42°W
Elevation16 m

Best time for a call: 10:00–11:00 in SydneyAdd to calendar

3 October 2026 — 1 November 2026: the gap is 18h instead of the usual 17h — Sydney and San Francisco change clocks on different days.

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Sydney and San Francisco?
Sydney is 17 hours ahead of San Francisco. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Sydney and San Francisco?
The best window to call is 10:00–11:00 Sydney time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Sydney and San Francisco change?
Because Sydney and San Francisco switch to or from daylight saving time on different dates, the gap between them is temporarily larger or smaller for a few weeks around those changes.