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

Sydney is 3 hours ahead of Ho Chi Minh City. 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 Sydney from Ho Chi Minh City?

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

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.

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.

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

It is 15:00 in Sydney, 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 Ho Chi Minh City and Sydney use?

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

Convert Ho Chi Minh City time to Sydney time

Sydney is 3 hours ahead of Ho Chi Minh City right now, so midday in Ho Chi Minh City lands in the afternoon in Sydney.

Convert a time

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Date

Time

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 Ho Chi Minh City, across for Sydney.

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

Daylight saving time

Sydney changes its clocks; Ho Chi Minh City does not. The difference between them therefore shifts by an hour twice a year.

Ho Chi Minh City

Does not observe daylight saving time

Standard: UTC+7

Sydney

Observes daylight saving time

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

When you can actually talk

The window is 6 hours wide — 09:00–15:00 in Ho Chi Minh City, 12:00–18:00 in Sydney.

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

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

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

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

Common questions

What is the time difference between Ho Chi Minh City and Sydney?: Sydney is 3 hours ahead of Ho Chi Minh City. 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 Sydney from Ho Chi Minh City?: Between 09:00–15:00 in Ho Chi Minh City, which is 12:00–18:00 in Sydney. That is the only stretch where both cities are inside a 09:00–18:00 day.
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.
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.
If it is midday in Ho Chi Minh City, what time is it in Sydney?: It is 15:00 in Sydney, 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 Ho Chi Minh City and Sydney use?: Ho Chi Minh City uses Asia/Ho_Chi_Minh, currently UTC+7, and Sydney uses Australia/Sydney, currently UTC+10 (AEST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.