There are no overlapping standard business hours (9am - 5pm). Use the interactive converter above to visually compare hours side by side.

Adelaide

ACDT (GMT+10:30)

ACST starts on Apr 3, 2027

San Francisco

PST (GMT-8)

PDT starts on Mar 14, 2027

What is the best time to schedule a meeting between Adelaide and San Francisco?

There are no overlapping business hours. Consider early morning or late evening meetings, or use the interactive converter on this page to find a workable time slot.

How many hours apart are Adelaide and San Francisco?

San Francisco is 18.5 hours behind Adelaide.

Does the overlap change with daylight saving time?

Both Adelaide and San Francisco observe daylight saving time. If they transition on different dates, the overlap may temporarily shift. The interactive converter on this page always reflects the current offset, even across daylight saving transition.