Sydney to Hanoi Time Difference

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

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):

1:00 PM in Sydney

9:00 AM in Hanoi

2:00 PM in Sydney

10:00 AM in Hanoi

3:00 PM in Sydney

11:00 AM in Hanoi

4:00 PM in Sydney

12:00 PM in Hanoi

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

More Time Comparisons

Sydney to Shanghai

3 hours behind

Sydney to Dhaka

5 hours behind

Sydney to Beijing

3 hours behind

Sydney to Delhi

5.5 hours behind

Sydney to Istanbul

8 hours behind

Sydney to Lagos

10 hours behind

Sydney to Tokyo

2 hours behind

Sydney to Moscow

8 hours behind

About the Time Difference Between Sydney and Hanoi

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

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 Sydney, what time is it in Hanoi?

When it's 12:00 PM (noon) in Sydney, it's 8:00 AM in Hanoi.