Phoenix to Sunnyvale — Time Difference
Live clocks · Full 24-hour table · United States → United States
Time Difference: Phoenix vs Sunnyvale
Sunnyvale is 0 hours ahead of Phoenix. Phoenix is in Mountain Standard Time (MST, UTC-7) and Sunnyvale is in Pacific Daylight Time (PDT, UTC-7).
Use the table below to find the equivalent Sunnyvale time for any hour in Phoenix. Click any row to see the full conversion page for that hour.
Business Hours — Phoenix to Sunnyvale
"Good" = both cities within business hours (9 AM–5 PM)
Full 24-Hour Table — Phoenix to Sunnyvale
Frequently Asked Questions
What is the time difference between Phoenix and Sunnyvale?
Sunnyvale is 0 hours ahead of Phoenix. Phoenix uses Mountain Standard Time (MST, UTC-7) and Sunnyvale uses Pacific Daylight Time (PDT, UTC-7).
What time is it in Sunnyvale when it is 9 AM in Phoenix?
9 AM in Phoenix (MST) equals 9 AM in Sunnyvale (PDT).
Is Phoenix ahead or behind Sunnyvale?
Phoenix and Sunnyvale are in the same time zone.
What is the best time to call from Phoenix to Sunnyvale?
The best time to call from Phoenix to Sunnyvale is between 9 AM–5 PM Phoenix time, when Sunnyvale is also within normal working hours (9 AM–5 PM).
Time Zones
Phoenix
Mountain Standard Time
MST · UTC-7
Sunnyvale
Pacific Daylight Time
PDT · UTC-7
Reverse Conversion
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