Hanoi to Sydney Time Difference

4 hours ahead
Hanoi, Vietnam
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Asia/BangkokGMT+07:00
Sydney, Australia
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Australia/SydneyGMT+11:00

4h

Time Difference

4h

Business Hours Overlap

Yes

Good Call Window

Best Times to Call

These times work well for both cities during business hours (9 AM - 5 PM):

9:00 AM in Hanoi

1:00 PM in Sydney

10:00 AM in Hanoi

2:00 PM in Sydney

11:00 AM in Hanoi

3:00 PM in Sydney

12:00 PM in Hanoi

4:00 PM in Sydney

Hour-by-Hour Time Conversion
HanoiSydneyStatus
12:00 AM4:00 AM
1:00 AM5:00 AM
2:00 AM6:00 AM
3:00 AM7:00 AM
4:00 AM8:00 AM
5:00 AM9:00 AMWork in Sydney
6:00 AM10:00 AMWork in Sydney
7:00 AM11:00 AMWork in Sydney
8:00 AM12:00 PMWork in Sydney
9:00 AM1:00 PMWork Hours
10:00 AM2:00 PMWork Hours
11:00 AM3:00 PMWork Hours
12:00 PM4:00 PMWork Hours
1:00 PM5:00 PMWork in Hanoi
2:00 PM6:00 PMWork in Hanoi
3:00 PM7:00 PMWork in Hanoi
4:00 PM8:00 PMWork in Hanoi
5:00 PM9:00 PM
6:00 PM10:00 PM
7:00 PM11:00 PM
8:00 PM12:00 AM
9:00 PM1:00 AM
10:00 PM2:00 AM
11:00 PM3:00 AM

More Time Comparisons

Hanoi to Shanghai

1 hour ahead

Hanoi to Dhaka

1 hour behind

Hanoi to Beijing

1 hour ahead

Hanoi to Delhi

1.5 hours behind

Hanoi to Istanbul

4 hours behind

Hanoi to Lagos

6 hours behind

Hanoi to Tokyo

2 hours ahead

Hanoi to Moscow

4 hours behind

About the Time Difference Between Hanoi and Sydney

The time difference between Hanoi, Vietnam and Sydney, Australia is 4 hours ahead.Hanoi operates on the Asia/Bangkok timezone (GMT+07:00), while Sydney uses Australia/Sydney (GMT+11:00).

Scheduling Tips

  • Business hours overlap: There are 4 hours when both cities are within typical work hours (9 AM - 5 PM).
  • Best call times: Schedule calls during the green-highlighted hours in the conversion table above for optimal timing.
  • Daylight Saving Time: Remember that the time difference may change during DST transitions. Always verify current times before important meetings.

Frequently Asked Questions

When it's noon in Hanoi, what time is it in Sydney?

When it's 12:00 PM (noon) in Hanoi, it's 4:00 PM in Sydney.