Tokyo to Diamond Bar time converter
Diamond Bar is 16 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 5:00 PM (Sun, Oct 18) in Diamond Bar.
Tokyo JST
Monday, October 19, 2026
Diamond Bar PDT
Sunday, October 18, 2026
12:49 PM in Tokyo, Monday, October 19, 2026
Tokyo to Diamond Bar conversion table
Every hour of today in Tokyo and the matching time in Diamond Bar. Light rows are typical working hours (9:00–18:00).
| Tokyo | Diamond Bar |
|---|---|
| 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 Diamond Bar).
Daylight saving time and the difference
The difference changes during the year because Tokyo and Diamond Bar switch clocks on different dates:
- Oct 19, 2026 – Nov 1, 2026: -16h
- Nov 1, 2026 – Mar 14, 2027: -17h
- Mar 14, 2027 – Oct 19, 2027: -16h
Distance
Tokyo and Diamond Bar are 8,849 km (5,499 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Tokyo and Diamond Bar?
Diamond Bar is 16 hours behind Tokyo.
What time is it in Diamond Bar when it is 9 AM in Tokyo?
When it is 9:00 AM in Tokyo, it is 5:00 PM (Sun, Oct 18) in Diamond Bar.
When is the best time to call Diamond Bar from Tokyo?
Both sides are at work from 9:00 AM – 10:00 AM in Tokyo (5:00 PM – 6:00 PM in Diamond Bar).
Does the time difference between Tokyo and Diamond Bar change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.