Boston to Colombo Time Difference
🇺🇸 Boston is currently 9.5 hours ahead of 🇱🇰 Colombo. This difference varies between 9.5h and 10.5h due to Daylight Saving Time.
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Difference
+9.5h
Business overlap
None
Distance
13,793 km
Approx. flight
16.2h
Hour-by-Hour: Boston to Colombo
| 🇺🇸 Boston | 🇱🇰 Colombo | Note |
|---|---|---|
| 12:00 AM | 9:30 AM | |
| 1:00 AM | 10:30 AM | |
| 2:00 AM | 11:30 AM | |
| 3:00 AM | 12:30 PM | |
| 4:00 AM | 1:30 PM | |
| 5:00 AM | 2:30 PM | |
| 6:00 AM | 3:30 PM | |
| 7:00 AM | 4:30 PM | |
| 8:00 AM | 5:30 PM | |
| 9:00 AM | 6:30 PM | |
| 10:00 AM | 7:30 PM | |
| 11:00 AM | 8:30 PM | |
| 12:00 PM | 9:30 PM | |
| 1:00 PM | 10:30 PM | |
| 2:00 PM | 11:30 PM | |
| 3:00 PM | 12:30 AM(next day) | Next day |
| 4:00 PM | 1:30 AM(next day) | Next day |
| 5:00 PM | 2:30 AM(next day) | Next day |
| 6:00 PM | 3:30 AM(next day) | Next day |
| 7:00 PM | 4:30 AM(next day) | Next day |
| 8:00 PM | 5:30 AM(next day) | Next day |
| 9:00 PM | 6:30 AM(next day) | Next day |
| 10:00 PM | 7:30 AM(next day) | Next day |
| 11:00 PM | 8:30 AM(next day) | Next day |
Daylight Saving Time (DST)
Boston observes Daylight Saving Time, while Colombo does not. This causes the time difference to shift between 9.5 hours ahead and 10.5 hours ahead depending on the season. Currently, Boston is 9.5 hours ahead relative to Colombo.
Min difference
9.5h
Max difference
10.5h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Boston and Colombo. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Boston and Colombo?
The time difference between Boston and Colombo is currently 9.5 hours ahead. Boston uses EDT (UTC-4), while Colombo uses GMT+5:30 (UTC+5:30). This difference varies seasonally due to Daylight Saving Time, ranging from 9.5 hours ahead to 10.5 hours ahead.
When it's noon in Boston, what time is it in Colombo?
When it's 12:00 PM (noon) in Boston, it is 9:30 PM in Colombo. Use our calculator above to convert any other time.
Does the time difference between Boston and Colombo change?
Yes, the time difference changes throughout the year. Because Boston observes Daylight Saving Time, the offset shifts between 9.5 hours ahead and 10.5 hours ahead at different times of the year.
What are the best times to schedule a call between Boston and Colombo?
There is no overlap between standard business hours (9 AM – 6 PM) in Boston and Colombo. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Boston ahead or behind Colombo?
Boston is currently 9.5 hours behind Colombo.
What time zone is Boston in?
Boston is in the America/New York time zone, currently using EDT (UTC-4). Boston observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Boston in Colombo?
When it is midnight (12:00 AM) in Boston, it is 9:30 AM in Colombo.