Tokyo to San Diego Time Difference
San Diego is 16 hours behind Tokyo. When it is noon in Tokyo, it is 20:00 in San Diego.
Tokyo (UTC+9) → Los Angeles (UTC-7)
🕐 Interactive Time Explorer
When it's 07:00 in Tokyo, it's 15:00 in San Diego
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tokyo & San Diego◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
8,985 km
Est. Flight Time
~11.6h
Time Difference
-16h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Tokyo
14:00
San Diego (-1)
09:00
Tokyo
17:00
San Diego (-1)
12:00
Tokyo
20:00
San Diego (-1)
15:00
Tokyo
23:00
San Diego (-1)
18:00
Tokyo
02:00
San Diego
21:00
Tokyo
05:00
San Diego
00:00
Tokyo
08:00
San Diego (-1)
03:00
Tokyo
11:00
San Diego (-1)
Frequently Asked Questions
How many hours is Tokyo ahead of San Diego?
San Diego is 16 hours behind Tokyo. When it is 12:00 noon in Tokyo, it is 20:00 in San Diego. Tokyo operates on Asia/Tokyo (UTC+9), while San Diego uses America/Los Angeles (UTC-7).
What is the best time to call San Diego from Tokyo?
Standard business hours (9 AM–5 PM) do not overlap between Tokyo and San Diego due to the 16 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Tokyo to San Diego time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Tokyo and San Diego
The distance between Tokyo and San Diego is approximately 8,985 km. A direct flight typically takes around 11.6 hours. Your arrival clock will show local San Diego time — use our Flight Time Calculator to predict exact arrival times.