Does Phoenix observe daylight saving time?

No. Phoenix stays on MST (UTC-7) 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 Phoenix?

9:00 AM in San Francisco, on the same day.

Phoenix to San Francisco Meeting Planner

San Francisco and Phoenix are on the same time right now. Their working days overlap for 8 hours today.

Phoenix · United States

5:20 AM

Sat, Oct 17 · MST

San Francisco · United States

5:20 AM

Sat, Oct 17 · PDT · summer time

Best Meeting Times Between Phoenix and San Francisco

9:00 AM to 5:00 PM in Phoenix (9:00 AM to 5:00 PM in San Francisco). That's when both cities are inside working hours, 9 AM to 5 PM, giving 8 hours of overlap today.

Who's meeting

2 of 4 places

PhoenixOrganizerUnited States ·5:20AMnow
San FranciscoUnited States ·· summer time5:20AMnow

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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 Phoenix

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in Phoenix time.

1:00PMBest · OptimalWorking hours in Phoenix (13:00) and San Francisco (13:00).
12:00PMOption 2 · OptimalWorking hours in Phoenix (12:00) and San Francisco (12:00).
2:00PMOption 3 · OptimalWorking hours in Phoenix (14:00) and San Francisco (14:00).

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
PhoenixMST
San FranciscoPDT
UTC	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06

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

Your meeting

Phoenix1:00 PM MSTSat, Oct 17
San Francisco1:00 PM PDTSat, Oct 17
UTC2026-10-17 20:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Phoenix and San Francisco

San Francisco and Phoenix are on the same time right now: San Francisco is on PDT (UTC-7) and Phoenix on MST (UTC-7). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 1 hour behind Phoenix.

Time difference between Phoenix and San Francisco over the next 12 months
From	Difference	Why
Now	Same time	—
Sun, Nov 1	San Francisco 1 hour behind	Clocks go back in San Francisco
Sun, Mar 14, 2027	Same time	Clocks go forward in San Francisco

Phoenix is on Mountain Standard Time. San Francisco is on Pacific Standard Time.

Frequently Asked Questions: Phoenix & San Francisco Scheduling

What is the time difference between Phoenix and San Francisco?: San Francisco and Phoenix are on the same time right now: San Francisco is on PDT (UTC-7) and Phoenix on MST (UTC-7). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 1 hour behind Phoenix.
What is the best time to schedule a meeting between Phoenix and San Francisco?: 9:00 AM to 5:00 PM in Phoenix (9:00 AM to 5:00 PM in San Francisco). That's when both cities are inside working hours, 9 AM to 5 PM, giving 8 hours of overlap today.
Does Phoenix observe daylight saving time?: No. Phoenix stays on MST (UTC-7) 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 Phoenix?: 9:00 AM in San Francisco, on the same day.

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