Time in Tokyo and Boston
The time difference between Tokyo and Boston, Massachusetts, is 13 hours. Boston is 13 hours behind Tokyo.
This means 9am in Tokyo is 8pm in Boston (previous day) and 5pm in Tokyo is 4am in Boston.
Tokyo
- The current local time in Tokyo is 4:13 am (July 7, 2026)
- Tokyo is in the Japan Standard Time Zone
- The time zone offset for Tokyo, Japan, is UTC+09:00
Boston
- The current local time in Boston is 3:13 pm (July 6, 2026)
- Boston is in the Eastern Daylight Time Zone
- The time zone offset for Boston, United States, is UTC-04:00
How to convert Tokyo time to Boston time?
Subtract 13 hours from Tokyo time to get Boston time.
Time in Tokyo
00:00
Time in Boston
00:00
Use the slider above to convert Tokyo time to Boston time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Tokyo | Boston |
|---|---|
| 12am | 11am |
| 1am | 12pm |
| 2am | 1pm |
| 3am | 2pm |
| 4am | 3pm |
| 5am | 4pm |
| 6am | 5pm |
| 7am | 6pm |
| 8am | 7pm |
| 9am | 8pm |
| 10am | 9pm |
| 11am | 10pm |
| 12pm | 11pm |
| 1pm | 12am |
| 2pm | 1am |
| 3pm | 2am |
| 4pm | 3am |
| 5pm | 4am |
| 6pm | 5am |
| 7pm | 6am |
| 8pm | 7am |
| 9pm | 8am |
| 10pm | 9am |
| 11pm | 10am |
Time difference from Tokyo (UTC+09:00)
-19 hours
-16 hours
-17 hours
-16 hours
-14 hours
-13 hours
-1 hour
+1 hour
-1 hour
-13 hours