What is the time difference between Sydney and Ho Chi Minh City?

Ho Chi Minh City is 3 hours behind Sydney. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Ho Chi Minh City from Sydney?

Between 12:00–18:00 in Sydney, which is 09:00–15:00 in Ho Chi Minh City. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Sydney observe daylight saving time?

Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.

Does Ho Chi Minh City observe daylight saving time?

No. Ho Chi Minh City stays on UTC+7 all year, so its clocks never move.

If it is midday in Sydney, what time is it in Ho Chi Minh City?

It is 09:00 in Ho Chi Minh City, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Sydney and Ho Chi Minh City use?

Sydney uses Australia/Sydney, currently UTC+10 (AEST), and Ho Chi Minh City uses Asia/Ho_Chi_Minh, currently UTC+7. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Sydney time to Ho Chi Minh City time

Right now Ho Chi Minh City runs 3 hours behind Sydney. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

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Date

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Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Sydney, across for Ho Chi Minh City.

Sydney	Ho Chi Minh City
00:00	21:00previous day
01:00	22:00previous day
02:00	23:00previous day
03:00	00:00
04:00	01:00
05:00	02:00
06:00	03:00
07:00	04:00
08:00	05:00
09:00	06:00
10:00	07:00
11:00	08:00
12:00	09:00
13:00	10:00
14:00	11:00
15:00	12:00
16:00	13:00
17:00	14:00
18:00	15:00
19:00	16:00
20:00	17:00
21:00	18:00
22:00	19:00
23:00	20:00

Daylight saving time

Ho Chi Minh City keeps one offset all year while Sydney moves twice. That is the whole reason this difference is seasonal.

Sydney

Observes daylight saving time

Standard: UTC+10
Daylight: UTC+11
Next change: 2026-10-04 +60m

Ho Chi Minh City

Does not observe daylight saving time

Standard: UTC+7

When you can actually talk

You have 6 hours of shared working time: 12:00–18:00 in Sydney, which is 09:00–15:00 in Ho Chi Minh City.

Sydney 12:00–18:00Ho Chi Minh City 09:00–15:00

Reference

The zone identifiers and offsets behind everything above.

	Sydney	Ho Chi Minh City
IANA zone	Australia/Sydney	Asia/Ho_Chi_Minh
Abbreviation	AEST	UTC+7
Standard offset	UTC+10	UTC+7
Daylight offset	UTC+11	—
Clock changes this year	2	0
Country	Australia	Vietnam

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Sydney and Ho Chi Minh City?: Ho Chi Minh City is 3 hours behind Sydney. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Ho Chi Minh City from Sydney?: Between 12:00–18:00 in Sydney, which is 09:00–15:00 in Ho Chi Minh City. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Sydney observe daylight saving time?: Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.
Does Ho Chi Minh City observe daylight saving time?: No. Ho Chi Minh City stays on UTC+7 all year, so its clocks never move.
If it is midday in Sydney, what time is it in Ho Chi Minh City?: It is 09:00 in Ho Chi Minh City, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Sydney and Ho Chi Minh City use?: Sydney uses Australia/Sydney, currently UTC+10 (AEST), and Ho Chi Minh City uses Asia/Ho_Chi_Minh, currently UTC+7. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.