Time in Boston and Seoul
The time difference between Boston, Massachusetts, and Seoul is 13 hours. Seoul is 13 hours ahead of Boston.
This means 9am in Boston is 10pm in Seoul and 5pm in Boston is 6am in Seoul (next day).
Boston
- The current local time in Boston is 1:51 pm (August 10, 2026)
- Boston is in the Eastern Daylight Time Zone
- The time zone offset for Boston, United States, is UTC-04:00
Seoul
- The current local time in Seoul is 2:51 am (August 11, 2026)
- Seoul is in the Korea Standard Time Zone
- The time zone offset for Seoul, South Korea, is UTC+09:00
How to convert Boston time to Seoul time?
Add 13 hours to Boston time to get Seoul time.
Time in Boston
00:00
Time in Seoul
00:00
Use the slider above to convert Boston time to Seoul 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
| Boston | Seoul |
|---|---|
| 12am | 1pm |
| 1am | 2pm |
| 2am | 3pm |
| 3am | 4pm |
| 4am | 5pm |
| 5am | 6pm |
| 6am | 7pm |
| 7am | 8pm |
| 8am | 9pm |
| 9am | 10pm |
| 10am | 11pm |
| 11am | 12am |
| 12pm | 1am |
| 1pm | 2am |
| 2pm | 3am |
| 3pm | 4am |
| 4pm | 5am |
| 5pm | 6am |
| 6pm | 7am |
| 7pm | 8am |
| 8pm | 9am |
| 9pm | 10am |
| 10pm | 11am |
| 11pm | 12pm |
Time difference from Boston (UTC-04:00)
-3 hours
+5 hours
-3 hours
-3 hours
-1 hour
-2 hours
-1 hour
-3 hours
-3 hours
+4 hours