Time difference: Colombo and Bangladesh
Colombo is 1 hour 30 minutes behind Bangladesh. When Colombo clocks hit noon, Bangladesh reads 12:00.
Colombo is in the Asia/Colombo timezone. Bangladesh is in Asia/Dhaka. The difference is 0.5 hours 30 minutes.
Business hours comparison
Every working day, Colombo and Bangladesh are both in business hours for 7.5 hours simultaneously.
00:0006:0012:0018:0024:00
When to schedule across time zones
Both Colombo and Bangladesh are in standard hours simultaneously for 7.5h per day. 3 recommended slots shown below.
09:00 Colombo / 09:00 Dhaka✓ Both working
10:00 Colombo / 10:00 Dhaka✓ Both working
11:00 Colombo / 11:00 Dhaka✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Holiday calendar for both locations
Colombo
No upcoming public holidays this year.
Bangladesh2 holidays
Dec 16Victory Day
Dec 25Christmas Day
Working across Colombo and Bangladesh
Working across Colombo (Sri Lanka) and Bangladesh (Bangladesh) involves a 0.5-hour gap. The good news: there is a 7.5-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.
💡 Best practice for cross-timezone meetings
✅09:00–10:00 in Colombo = 09:00–10:00 in Bangladesh. Both sides are in standard business hours during this window.
✅10:00–11:00 in Colombo = 10:00–11:00 in Bangladesh. Both sides are in standard business hours during this window.
✅11:00–12:00 in Colombo = 11:00–12:00 in Bangladesh. Both sides are in standard business hours during this window.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Get the Extension — Free →Use the time slider above to find the exact equivalent time for any moment in Colombo. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
