How far apart are Vietnam and Colombo?
Vietnam is 1 hour 30 minutes ahead of Colombo. Midday in Vietnam lines up with 10:00 in Colombo.
Vietnam runs on Asia/Ho_Chi_Minh; Colombo runs on Asia/Colombo. Together they are 1.5 hours 30 minutes apart.
Daily overlap window
There is a 6.5-hour window each day where both Vietnam and Colombo are within standard business hours (09:00–17:00).
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Best times to schedule a meeting
There is a 6.5-hour daily window where both locations are in business hours. The 3 best slots are listed below.
11:00 Ho Chi Minh City / 09:00 Colombo✓ Both working
12:00 Ho Chi Minh City / 10:00 Colombo✓ Both working
13:00 Ho Chi Minh City / 11:00 Colombo✓ Both working
Working hours defined as 09:00–17:00 local time for each location.
Upcoming public holidays
Colombo
No upcoming public holidays this year.
How to work with Vietnam and Colombo time zones
The 1.5-hour gap between Vietnam (Vietnam) and Colombo (Sri Lanka) requires some planning — but a 6.5-hour daily overlap means both teams can connect in real time without unusual scheduling.
💡 How to schedule across these time zones
✅If you are in Vietnam, aim for 11:00–12:00, which corresponds to 09:00–10:00 in Colombo — both teams are within working hours.
✅If you are in Vietnam, aim for 12:00–13:00, which corresponds to 10:00–11:00 in Colombo — both teams are within working hours.
✅If you are in Vietnam, aim for 13:00–14:00, which corresponds to 11:00–12:00 in Colombo — both teams are within working hours.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Add to your browser — Free →Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am Vietnam".
