Bangkok, Thailand
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Asia/BangkokGMT+07:00
Colombo, Sri Lanka
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Asia/ColomboGMT+05:30
1.5h
Time Difference
7h
Business Hours Overlap
Yes
Good Call Window
Best Times to Call
These times work well for both cities during business hours (9 AM - 5 PM):
11:00 AM in Bangkok
9:30 AM in Colombo
12:00 PM in Bangkok
10:30 AM in Colombo
1:00 PM in Bangkok
11:30 AM in Colombo
2:00 PM in Bangkok
12:30 PM in Colombo
Hour-by-Hour Time Conversion
| Bangkok | Colombo | Status |
|---|---|---|
| 12:00 AM | 10:30 PM | |
| 1:00 AM | 11:30 PM | |
| 2:00 AM | 12:30 AM | |
| 3:00 AM | 1:30 AM | |
| 4:00 AM | 2:30 AM | |
| 5:00 AM | 3:30 AM | |
| 6:00 AM | 4:30 AM | |
| 7:00 AM | 5:30 AM | |
| 8:00 AM | 6:30 AM | |
| 9:00 AM | 7:30 AM | Work in Bangkok |
| 10:00 AM | 8:30 AM | Work in Bangkok |
| 11:00 AM | 9:30 AM | Work Hours |
| 12:00 PM | 10:30 AM | Work Hours |
| 1:00 PM | 11:30 AM | Work Hours |
| 2:00 PM | 12:30 PM | Work Hours |
| 3:00 PM | 1:30 PM | Work Hours |
| 4:00 PM | 2:30 PM | Work Hours |
| 5:00 PM | 3:30 PM | Work in Colombo |
| 6:00 PM | 4:30 PM | Work in Colombo |
| 7:00 PM | 5:30 PM | |
| 8:00 PM | 6:30 PM | |
| 9:00 PM | 7:30 PM | |
| 10:00 PM | 8:30 PM | |
| 11:00 PM | 9:30 PM |
More Time Comparisons
About the Time Difference Between Bangkok and Colombo
The time difference between Bangkok, Thailand and Colombo, Sri Lanka is 1.5 hours behind.Bangkok operates on the Asia/Bangkok timezone (GMT+07:00), while Colombo uses Asia/Colombo (GMT+05:30).
Scheduling Tips
- Business hours overlap: There are 7 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 Bangkok, what time is it in Colombo?
When it's 12:00 PM (noon) in Bangkok, it's 11:00 AM in Colombo.