Colombo to Singapore — exact time difference
Colombo is 3 hours 30 minutes behind Singapore. When it's noon in Colombo, it's 14:00 in Singapore.
Colombo observes Asia/Colombo and Singapore observes Asia/Singapore — a 2.5 hours 30 minutes gap between them.
Working hours overlap
Both Colombo and Singapore are simultaneously in business hours for 5.5 hours per day (assuming standard 9:00–17:00 working hours).
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Meeting time recommendations
Colombo and Singapore share 5.5 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full window.
09:00 Colombo / 11:00 Singapore✓ Both working
10:00 Colombo / 12:00 Singapore✓ Both working
11:00 Colombo / 13:00 Singapore✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Public holidays this year
Colombo
No upcoming public holidays this year.
Singapore3 holidays
Aug 10National Day
Nov 9Deepavali
Dec 25Christmas Day
Colombo and Singapore — practical scheduling
Teams in Colombo (Sri Lanka) and Singapore (Singapore) face a 2.5-hour time difference day to day. A 5.5-hour shared business hours window makes real-time meetings feasible for both sides within their normal working day.
💡 Practical scheduling guidelines
✅Schedule at 09:00–10:00 (Colombo) for a 11:00–12:00 slot in Singapore — the sweet spot where both teams are working.
✅Schedule at 10:00–11:00 (Colombo) for a 12:00–13:00 slot in Singapore — the sweet spot where both teams are working.
✅Schedule at 11:00–12:00 (Colombo) for a 13:00–14:00 slot in Singapore — the sweet spot where both teams are working.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Install ClockinSync Free →Drag the slider at the top to convert any Colombo time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
