Sydney is 3 hours ahead of Vietnam. At noon in Sydney, your contact in Vietnam sees 09:00.
Sydney is in the Australia/Sydney timezone. Vietnam is in Asia/Ho_Chi_Minh. The difference is 3 hours.
Shared working hours
Sydney and Vietnam share 5 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.
00:0006:0012:0018:0024:00
Sydney
Vietnam
Overlap (5h)
Recommended meeting windows
Both Sydney and Vietnam are in standard hours simultaneously for 5h per day. 3 recommended slots shown below.
12:00 Sydney / 09:00 Ho Chi Minh City✓ Both working
13:00 Sydney / 10:00 Ho Chi Minh City✓ Both working
14:00 Sydney / 11:00 Ho Chi Minh City✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
Sydney6 holidays
Sep 28King's Birthday
Oct 5Labour Day
Oct 5King's Birthday
Nov 3Melbourne Cup
Dec 25Christmas Day
Vietnam1 holiday
Sep 2National Day
Scheduling between Sydney and Vietnam
Sydney (Australia) leads Vietnam (Vietnam) by 3 hours. Despite the gap, a 5-hour window of shared business hours each day keeps real-time collaboration practical for both sides.
💡 Scheduling tips for these locations
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12:00–13:00 in Sydney = 09:00–10:00 in Vietnam. Both sides are in standard business hours during this window.
✅
13:00–14:00 in Sydney = 10:00–11:00 in Vietnam. Both sides are in standard business hours during this window.
✅
14:00–15:00 in Sydney = 11:00–12:00 in Vietnam. 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.
Use the time slider above to find the exact equivalent time for any moment in Sydney. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
