Osaka to San Francisco — Time Difference
Live clocks · Full 24-hour table · Japan → United States
Time Difference: Osaka vs San Francisco
San Francisco is 16 hours behind Osaka. Osaka is in Japan Standard Time (GMT+9, UTC+9) and San Francisco is in Pacific Daylight Time (PDT, UTC-7).
Use the table below to find the equivalent San Francisco time for any hour in Osaka. Click any row to see the full conversion page for that hour.
Business Hours — Osaka to San Francisco
"Good" = both cities within business hours (9 AM–5 PM)
Full 24-Hour Table — Osaka to San Francisco
Frequently Asked Questions
What is the time difference between Osaka and San Francisco?
San Francisco is 16 hours behind Osaka. Osaka uses Japan Standard Time (GMT+9, UTC+9) and San Francisco uses Pacific Daylight Time (PDT, UTC-7).
What time is it in San Francisco when it is 9 AM in Osaka?
9 AM in Osaka (GMT+9) equals 5 PM in San Francisco (PDT) (previous day).
Is Osaka ahead or behind San Francisco?
San Francisco is 16 hours behind Osaka.
What is the best time to call from Osaka to San Francisco?
The best time to call from Osaka to San Francisco is between 9 AM–9 AM Osaka time, when San Francisco is also within normal working hours (9 AM–5 PM).
Time Zones
Osaka
Japan Standard Time
GMT+9 · UTC+9
San Francisco
Pacific Daylight Time
PDT · UTC-7
Reverse Conversion
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