San Diego to Osaka — Time Difference
Live clocks · Full 24-hour table · United States → Japan
Time Difference: San Diego vs Osaka
Osaka is 16 hours ahead of San Diego. San Diego is in Pacific Daylight Time (PDT, UTC-7) and Osaka is in Japan Standard Time (GMT+9, UTC+9).
Use the table below to find the equivalent Osaka time for any hour in San Diego. Click any row to see the full conversion page for that hour.
Business Hours — San Diego to Osaka
"Good" = both cities within business hours (9 AM–5 PM)
Full 24-Hour Table — San Diego to Osaka
Frequently Asked Questions
What is the time difference between San Diego and Osaka?
Osaka is 16 hours ahead of San Diego. San Diego uses Pacific Daylight Time (PDT, UTC-7) and Osaka uses Japan Standard Time (GMT+9, UTC+9).
What time is it in Osaka when it is 9 AM in San Diego?
9 AM in San Diego (PDT) equals 1 AM in Osaka (GMT+9) (next day).
Is San Diego ahead or behind Osaka?
Osaka is 16 hours ahead of San Diego.
What is the best time to call from San Diego to Osaka?
The best time to call from San Diego to Osaka is between 5 PM–5 PM San Diego time, when Osaka is also within normal working hours (9 AM–5 PM).
Time Zones
San Diego
Pacific Daylight Time
PDT · UTC-7
Osaka
Japan Standard Time
GMT+9 · UTC+9
Reverse Conversion
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