Portugal is 5 hours 30 minutes behind Colombo. Midday in Portugal lines up with 16:00 in Colombo.
Portugal observes Europe/Lisbon and Colombo observes Asia/Colombo — a 4.5 hours 30 minutes gap between them.
Shared working hours
There is a 3.5-hour window each day where both Portugal and Colombo are within standard business hours (09:00–17:00).
00:0006:0012:0018:0024:00
Portugal
Colombo
Overlap (3.5h)
Optimal meeting slots
Portugal and Colombo share 3.5 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full window.
09:00 Lisbon / 13:00 Colombo✓ Both working
10:00 Lisbon / 14:00 Colombo✓ Both working
11:00 Lisbon / 15:00 Colombo✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
Portugal7 holidays
Aug 15Assumption Day
Oct 5Republic Day
Nov 1All Saints Day
Dec 1Restoration of Independence
Dec 8Immaculate Conception
Colombo
No upcoming public holidays this year.
How to work with Portugal and Colombo time zones
Coordinating between Portugal (Portugal) and Colombo (Sri Lanka) means working around a 4.5-hour time difference. The 3.5-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 How to schedule across these time zones
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Schedule at 09:00–10:00 (Portugal) for a 13:00–14:00 slot in Colombo — the sweet spot where both teams are working.
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Schedule at 10:00–11:00 (Portugal) for a 14:00–15:00 slot in Colombo — the sweet spot where both teams are working.
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Schedule at 11:00–12:00 (Portugal) for a 15:00–16:00 slot in Colombo — 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.
Drag the slider at the top to convert any Portugal time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
