Portugal is 6 hours behind Vietnam. When Portugal clocks hit noon, Vietnam reads 18:00.
Portugal observes Europe/Lisbon and Vietnam observes Asia/Ho_Chi_Minh — a 6 hours gap between them.
Mutual working hours
Every working day, Portugal and Vietnam are both in business hours for 2 hours simultaneously.
00:0006:0012:0018:0024:00
Portugal
Vietnam
Overlap (2h)
Optimal meeting slots
Portugal and Vietnam share 2 hours of business hours overlap daily.
09:00 Lisbon / 15:00 Ho Chi Minh City✓ Both working
10:00 Lisbon / 16:00 Ho Chi Minh City✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
Portugal8 holidays
Jul 1Madeira Day
Aug 15Assumption Day
Oct 5Republic Day
Nov 1All Saints Day
Dec 1Restoration of Independence
Vietnam1 holiday
Sep 2National Day
Working across Portugal and Vietnam
Coordinating between Portugal (Portugal) and Vietnam (Vietnam) means working around a 6-hour time difference. The 2-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 Best practice for cross-timezone meetings
✅
Schedule at 09:00–10:00 (Portugal) for a 15:00–16:00 slot in Vietnam — the sweet spot where both teams are working.
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Schedule at 10:00–11:00 (Portugal) for a 16:00–17:00 slot in Vietnam — 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.
