Does Riyadh observe daylight saving time?

No. Riyadh stays on AST (UTC+3) all year, so its clocks don't change.

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 Riyadh?

11:00 PM in San Francisco, the day before (Fri, Oct 16, when it's Sat, Oct 17 in Riyadh).

Riyadh to San Francisco Meeting Planner

San Francisco is 10 hours behind Riyadh right now. Their working days don't overlap today.

Riyadh · Saudi Arabia

3:19 PM

Sat, Oct 17 · AST

San Francisco · United States

5:19 AM

Sat, Oct 17 · PDT · summer time

Best Meeting Times Between Riyadh and San Francisco

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 7:00 PM in Riyadh, which is 9:00 AM in San Francisco; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places

RiyadhOrganizerSaudi Arabia ·3:19PMnow
San FranciscoUnited States ·· summer time5:19AMnow

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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 Riyadh

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in Riyadh time.

7:00PMBest · GoodWorking hours in San Francisco (09:00); just outside working hours in Riyadh (19:00).
8:00PMOption 2 · PossibleWorking hours in San Francisco (10:00); late evening in Riyadh (20:00).
9:00PMOption 3 · PossibleWorking hours in San Francisco (11:00); late evening in Riyadh (21:00).

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 one-hour slot 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
RiyadhUTC+3
San FranciscoPDT
UTC	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20

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

Your meeting

Riyadh7:00 PM UTC+3Sat, Oct 17
San Francisco9:00 AM PDTSat, Oct 17
UTC2026-10-17 16:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Riyadh and San Francisco

San Francisco is 10 hours behind Riyadh right now: San Francisco is on PDT (UTC-7) and Riyadh on AST (UTC+3). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 11 hours behind Riyadh.

Time difference between Riyadh and San Francisco over the next 12 months
From	Difference	Why
Now	San Francisco 10 hours behind	—
Sun, Nov 1	San Francisco 11 hours behind	Clocks go back in San Francisco
Sun, Mar 14, 2027	San Francisco 10 hours behind	Clocks go forward in San Francisco

Riyadh is on Arabian Standard Time. San Francisco is on Pacific Standard Time.

Frequently Asked Questions: Riyadh & San Francisco Scheduling

What is the time difference between Riyadh and San Francisco?: San Francisco is 10 hours behind Riyadh right now: San Francisco is on PDT (UTC-7) and Riyadh on AST (UTC+3). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 11 hours behind Riyadh.
What is the best time to schedule a meeting between Riyadh and San Francisco?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 7:00 PM in Riyadh, which is 9:00 AM in San Francisco; consider splitting into two shorter meetings or shifting someone's hours.
Does Riyadh observe daylight saving time?: No. Riyadh stays on AST (UTC+3) all year, so its clocks don't change.
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 Riyadh?: 11:00 PM in San Francisco, the day before (Fri, Oct 16, when it's Sat, Oct 17 in Riyadh).

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