Tokyo to San Diego time converter
San Diego is 16 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 5:00 PM (Mon, Oct 19) in San Diego.
11:27 PM in Tokyo, Tuesday, October 20, 2026
Tokyo to San Diego conversion table
Every hour of today in Tokyo and the matching time in San Diego. Light rows are typical working hours (9:00–18:00).
| Tokyo | San Diego |
|---|---|
| 12:00 AM | 8:00 AM−1 day |
| 1:00 AM | 9:00 AM−1 day |
| 2:00 AM | 10:00 AM−1 day |
| 3:00 AM | 11:00 AM−1 day |
| 4:00 AM | 12:00 PM−1 day |
| 5:00 AM | 1:00 PM−1 day |
| 6:00 AM | 2:00 PM−1 day |
| 7:00 AM | 3:00 PM−1 day |
| 8:00 AM | 4:00 PM−1 day |
| 9:00 AM | 5:00 PM−1 day |
| 10:00 AM | 6:00 PM−1 day |
| 11:00 AM | 7:00 PM−1 day |
| 12:00 PM | 8:00 PM−1 day |
| 1:00 PM | 9:00 PM−1 day |
| 2:00 PM | 10:00 PM−1 day |
| 3:00 PM | 11:00 PM−1 day |
| 4:00 PM | 12:00 AM |
| 5:00 PM | 1:00 AM |
| 6:00 PM | 2:00 AM |
| 7:00 PM | 3:00 AM |
| 8:00 PM | 4:00 AM |
| 9:00 PM | 5:00 AM |
| 10:00 PM | 6:00 AM |
| 11:00 PM | 7:00 AM |
Best time to call or meet
Both sides are at work from 9:00 AM – 10:00 AM in Tokyo (5:00 PM – 6:00 PM in San Diego).
Daylight saving time and the difference
The difference changes during the year because Tokyo and San Diego switch clocks on different dates:
- Oct 20, 2026 – Nov 1, 2026: -16h
- Nov 1, 2026 – Mar 14, 2027: -17h
- Mar 14, 2027 – Oct 20, 2027: -16h
Distance
Tokyo and San Diego are 8,984 km (5,582 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Tokyo and San Diego?
San Diego is 16 hours behind Tokyo.
What time is it in San Diego when it is 9 AM in Tokyo?
When it is 9:00 AM in Tokyo, it is 5:00 PM (Mon, Oct 19) in San Diego.
When is the best time to call San Diego from Tokyo?
Both sides are at work from 9:00 AM – 10:00 AM in Tokyo (5:00 PM – 6:00 PM in San Diego).
Does the time difference between Tokyo and San Diego change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.