From Sunday, October 4, 2026, many states in Australia will enter Daylight Saving Time, clocks will be increased by 1 hour. Causes the time zone difference between Australia and Vietnam to change. This is especially noteworthy information for students, workers, families with relatives in Australia and those who often work online between Vietnam and Australia.
What day does Australia change its time?
According to the Daylight Saving Time calendar, at 2:00 am on Sunday, October 4, 2026, the clock in applicable areas will be moved from 2:00 to 3:00 am. In the state of New South Wales, the state government confirmed that Daylight Savings in 2026 begins on October 4, 2026 and the clocks are moved forward 1 hour.
Tasmania also applies the same time, with clocks being set forward 1 hour from 2:00 am on October 4, 2026.
Which states in Australia change time?
Daylight Saving Time applies in:
- New South Wales (NSW)
- Victoria (VIC)
- Australian Capital Territory (ACT)
- South Australia (SA)
- Tasmania (TAS)
not applicable Daylight Saving Time states and territories include:
- Queensland (QLD)
- Western Australia (WA)
- Northern Territory (NT)
ACT Government also confirmed the ACT Daylight Saving Time schedule is synchronized with NSW, Victoria, South Australia and Tasmania.
How does the time difference between Australia and Vietnam change?
After switching to summer time, some major Australian cities will increase by 1 hour compared to Vietnam.
| City | Before October 4, 2026 | From October 4, 2026 |
|---|---|---|
| Sydney | Vietnam +3 hours | Vietnam +4 hours |
| Melbourne | Vietnam +3 hours | Vietnam +4 hours |
| Canberra | Vietnam +3 hours | Vietnam +4 hours |
| Hobart | Vietnam +3 hours | Vietnam +4 hours |
| Adelaide | Vietnam +2.5 hours | Vietnam +3.5 hours |
| Brisbane | Vietnam +3 hours | No change |
| Perth | Vietnam +1 hour | No change |
| Darwin | Vietnam +2.5 hours | No change |
International students and Vietnamese in Australia should note what?
1. Online class and work schedule
If you are studying or working in Vietnam, check back for online meetings, classes and appointments.
For example:
A meeting at 9:00 am in Sydney after changing the time will correspond to 5:00 am in Vietnam, instead of 6:00 am as before.
2. Phones and computers often update automatically
Modern electronic devices often automatically update Adjust the time zone if the automatic date and time setting and time zone are correct. However, mechanical clocks, wall clocks, or some devices not connected to the Internet may require manual adjustment. The NSW Government also recommends manual watch users set the time before going to bed.
3. Don’t confuse states
This is quite an easy point to confuse. If you’re calling a relative in Sydney or Melbourne, hours will change from October 4. Meanwhile, if relatives are in Brisbane, local time will not change because Queensland does not apply Daylight Saving Time.
Why did Australia change the time?
Daylight Saving Time is the practice of moving clocks forward 1 hour during the summer months to allow for more light in the evenings. In applicable states, Daylight Savings time typically begins on the first Sunday in October and ends on the first Sunday in April of the following year.
Source: Australian state government
