Time in Boston and Colombo
The time difference between Boston, Massachusetts, and Colombo is 9 hours 30 minutes. Colombo is 9 hours 30 minutes ahead of Boston.
This means 9am in Boston is 6:30pm in Colombo and 5pm in Boston is 2:30am in Colombo (next day).
Boston
- The current local time in Boston is 8:59 pm (June 8, 2026)
- Boston is in the Eastern Daylight Time Zone
- The time zone offset for Boston, United States, is UTC-04:00
Colombo
- The current local time in Colombo is 6:29 am (June 8, 2026)
- The time zone offset for Colombo, Sri Lanka, is UTC+05:30
How to convert Boston time to Colombo time?
Add 9 hours 30 minutes to Boston time to get Colombo time.
Time in Boston
00:00
Time in Colombo
00:00
Use the slider above to convert Boston time to Colombo 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 | Colombo |
|---|---|
| 12am | 9:30am |
| 1am | 10:30am |
| 2am | 11:30am |
| 3am | 12:30pm |
| 4am | 1:30pm |
| 5am | 2:30pm |
| 6am | 3:30pm |
| 7am | 4:30pm |
| 8am | 5:30pm |
| 9am | 6:30pm |
| 10am | 7:30pm |
| 11am | 8:30pm |
| 12pm | 9:30pm |
| 1pm | 10:30pm |
| 2pm | 11:30pm |
| 3pm | 0:30am |
| 4pm | 1:30am |
| 5pm | 2:30am |
| 6pm | 3:30am |
| 7pm | 4:30am |
| 8pm | 5:30am |
| 9pm | 6:30am |
| 10pm | 7:30am |
| 11pm | 8:30am |
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