Does Adelaide observe daylight saving time?

Yes. Adelaide is on ACDT (UTC+10:30) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).

Does San Francisco observe daylight saving time?

Yes. San Francisco is on PDT (UTC-7) now, and its clocks go back 1 hour on Sun, Nov 1, to PST (UTC-8).

What time is it in San Francisco when it's 9 AM in Adelaide?

3:30 PM in San Francisco, the day before (Sat, Oct 17, when it's Sun, Oct 18 in Adelaide).

Adelaide to San Francisco Meeting Planner

San Francisco is 17 hours 30 minutes behind Adelaide right now. Their working days overlap for 1 hour 30 minutes today.

Adelaide · Australia

3:08 PM

Sun, Oct 18 · ACDT · summer time

San Francisco · United States

9:38 PM

Sat, Oct 17 · PDT · summer time

Best Meeting Times Between Adelaide and San Francisco

9:00 AM to 10:30 AM in Adelaide (3:30 PM to 5:00 PM in San Francisco). That's when both cities are inside working hours, 9 AM to 5 PM, giving 1 hour 30 minutes of overlap today.

Who's meeting

2 of 4 places

AdelaideOrganizerAustralia ·· summer time3:08PMnow
San FranciscoUnited States ·· summer time9:38PMYesterday · now

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Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Adelaide

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Adelaide time.

10:00AMBest · OptimalWorking hours in Adelaide (10:00) and San Francisco (16:30, previous day).
9:30AMOption 2 · OptimalWorking hours in Adelaide (09:30) and San Francisco (16:00, previous day).
9:00AMOption 3 · OptimalWorking hours in Adelaide (09:00) and San Francisco (15:30, previous day).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a half hour of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
AdelaideACDT
San FranciscoPDT
UTC	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Adelaide10:00 AM ACDTSun, Oct 18
San Francisco4:30 PM PDTSat, Oct 17
UTC2026-10-17 23:30 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Adelaide and San Francisco

San Francisco is 17 hours 30 minutes behind Adelaide right now: San Francisco is on PDT (UTC-7) and Adelaide on ACDT (UTC+10:30). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 18 hours 30 minutes behind Adelaide.

Time difference between Adelaide and San Francisco over the next 12 months
From	Difference	Why
Now	San Francisco 17 hours 30 minutes behind	—
Sun, Nov 1	San Francisco 18 hours 30 minutes behind	Clocks go back in San Francisco
Sun, Mar 14, 2027	San Francisco 17 hours 30 minutes behind	Clocks go forward in San Francisco
Sun, Apr 4, 2027	San Francisco 16 hours 30 minutes behind	Clocks go back in Adelaide
Sun, Oct 3, 2027	San Francisco 17 hours 30 minutes behind	Clocks go forward in Adelaide

Adelaide is on Australian Central Standard Time. San Francisco is on Pacific Standard Time.

Frequently Asked Questions: Adelaide & San Francisco Scheduling

What is the time difference between Adelaide and San Francisco?: San Francisco is 17 hours 30 minutes behind Adelaide right now: San Francisco is on PDT (UTC-7) and Adelaide on ACDT (UTC+10:30). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 18 hours 30 minutes behind Adelaide.
What is the best time to schedule a meeting between Adelaide and San Francisco?: 9:00 AM to 10:30 AM in Adelaide (3:30 PM to 5:00 PM in San Francisco). That's when both cities are inside working hours, 9 AM to 5 PM, giving 1 hour 30 minutes of overlap today.
Does Adelaide observe daylight saving time?: Yes. Adelaide is on ACDT (UTC+10:30) now, and its clocks go back 1 hour on Sun, Apr 4, 2027, to ACST (UTC+9:30).
Does San Francisco observe daylight saving time?: Yes. San Francisco is on PDT (UTC-7) now, and its clocks go back 1 hour on Sun, Nov 1, to PST (UTC-8).
What time is it in San Francisco when it's 9 AM in Adelaide?: 3:30 PM in San Francisco, the day before (Sat, Oct 17, when it's Sun, Oct 18 in Adelaide).

Or see every city pair, or plan with more places in the meeting planner.