Colombo, Sri Lanka
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Asia/ColomboGMT+05:30
Portland, United States
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America/Los_AngelesGMT-07:00
12.5h
Time Difference
0h
Business Hours Overlap
Limited
Good Call Window
Hour-by-Hour Time Conversion
| Colombo | Portland | Status |
|---|---|---|
| 12:00 AM | 11:30 AM | Work in Portland |
| 1:00 AM | 12:30 PM | Work in Portland |
| 2:00 AM | 1:30 PM | Work in Portland |
| 3:00 AM | 2:30 PM | Work in Portland |
| 4:00 AM | 3:30 PM | Work in Portland |
| 5:00 AM | 4:30 PM | Work in Portland |
| 6:00 AM | 5:30 PM | |
| 7:00 AM | 6:30 PM | |
| 8:00 AM | 7:30 PM | |
| 9:00 AM | 8:30 PM | Work in Colombo |
| 10:00 AM | 9:30 PM | Work in Colombo |
| 11:00 AM | 10:30 PM | Work in Colombo |
| 12:00 PM | 11:30 PM | Work in Colombo |
| 1:00 PM | 12:30 AM | Work in Colombo |
| 2:00 PM | 1:30 AM | Work in Colombo |
| 3:00 PM | 2:30 AM | Work in Colombo |
| 4:00 PM | 3:30 AM | Work in Colombo |
| 5:00 PM | 4:30 AM | |
| 6:00 PM | 5:30 AM | |
| 7:00 PM | 6:30 AM | |
| 8:00 PM | 7:30 AM | |
| 9:00 PM | 8:30 AM | |
| 10:00 PM | 9:30 AM | Work in Portland |
| 11:00 PM | 10:30 AM | Work in Portland |
More Time Comparisons
About the Time Difference Between Colombo and Portland
The time difference between Colombo, Sri Lanka and Portland, United States is 12.5 hours behind.Colombo operates on the Asia/Colombo timezone (GMT+05:30), while Portland uses America/Los_Angeles (GMT-07:00).
Scheduling Tips
- Business hours overlap: There are 0 hours when both cities are within typical work hours (9 AM - 5 PM).
- Best call times: Schedule calls during the green-highlighted hours in the conversion table above for optimal timing.
- Daylight Saving Time: Remember that the time difference may change during DST transitions. Always verify current times before important meetings.
Frequently Asked Questions
When it's noon in Colombo, what time is it in Portland?
When it's 12:00 PM (noon) in Colombo, it's 12:00 AM in Portland.