The time difference between Sydney and Ho Chi Minh City is 4 hours. When it is 12:00 noon in Sydney, it is 08:00 in Ho Chi Minh City. Sydney uses the Australia/Sydney time zone (UTC+11), while Ho Chi Minh City uses Asia/Ho_Chi_Minh (UTC+7).
| Detail | Sydney | Ho Chi Minh City |
|---|---|---|
| Time Zone ID | Australia/Sydney | Asia/Ho_Chi_Minh |
| UTC Offset | UTC+11 | UTC+7 |
| Abbreviation | AEDT | +07 |
| DST Active | Yes — currently observing | No |
| Country | Australia | Vietnam |
| Region | Oceania | Asia |
There are 4 overlapping business hours between Sydney and Ho Chi Minh City (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:
Use this table to quickly convert any hour from Sydney time to Ho Chi Minh City time. Rows highlighted in green indicate overlapping business hours in both cities.
| Sydney | Ho Chi Minh City | |
|---|---|---|
| 00:00 | 20:00 (-1 day) | Night |
| 01:00 | 21:00 (-1 day) | Night |
| 02:00 | 22:00 (-1 day) | Night |
| 03:00 | 23:00 (-1 day) | Night |
| 04:00 | 00:00 | Night |
| 05:00 | 01:00 | Night |
| 06:00 | 02:00 | |
| 07:00 | 03:00 | |
| 08:00 | 04:00 | |
| 09:00 | 05:00 | |
| 10:00 | 06:00 | |
| 11:00 | 07:00 | |
| 12:00 | 08:00 | |
| 13:00 | 09:00 | Overlap |
| 14:00 | 10:00 | Overlap |
| 15:00 | 11:00 | Overlap |
| 16:00 | 12:00 | Overlap |
| 17:00 | 13:00 | |
| 18:00 | 14:00 | |
| 19:00 | 15:00 | |
| 20:00 | 16:00 | |
| 21:00 | 17:00 | |
| 22:00 | 18:00 | Night |
| 23:00 | 19:00 | Night |
Sydney is currently observing daylight saving time, while Ho Chi Minh City is on standard time. When Sydney switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 4 hours. Ho Chi Minh City is 4 hours behind Sydney.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
The best window is between 13:00 and 17:00 Sydney time, which corresponds to 09:00–13:00 in Ho Chi Minh City. Both sides fall within normal business hours.
Subtract 4 hours from Sydney time to get Ho Chi Minh City time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.