Time in Colombo and Boston
The time difference between Colombo and Boston, Massachusetts, is 9 hours 30 minutes. Boston is 9 hours 30 minutes behind Colombo.
This means 9am in Colombo is 11:30pm in Boston (previous day) and 5pm in Colombo is 7:30am in Boston.
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
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
How to convert Colombo time to Boston time?
Subtract 9 hours 30 minutes from Colombo time to get Boston time.
Time in Colombo
00:00
Time in Boston
00:00
Use the slider above to convert Colombo 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
| Colombo | Boston |
|---|---|
| 12am | 2:30pm |
| 1am | 3:30pm |
| 2am | 4:30pm |
| 3am | 5:30pm |
| 4am | 6:30pm |
| 5am | 7:30pm |
| 6am | 8:30pm |
| 7am | 9:30pm |
| 8am | 10:30pm |
| 9am | 11:30pm |
| 10am | 0:30am |
| 11am | 1:30am |
| 12pm | 2:30am |
| 1pm | 3:30am |
| 2pm | 4:30am |
| 3pm | 5:30am |
| 4pm | 6:30am |
| 5pm | 7:30am |
| 6pm | 8:30am |
| 7pm | 9:30am |
| 8pm | 10:30am |
| 9pm | 11:30am |
| 10pm | 12:30pm |
| 11pm | 1:30pm |