Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Ho Chi Minh to Sydney

+3h

Ho Chi Minh

ICTSOURCE

Vietnam · UTC+07:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Sydney

AEST

Australia · UTC+10:00DST observed

HH03

MM00

15:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Ho Chi Minh

Sydney

12:00 AM

3:00 AM

2:00 AM

5:00 AM

4:00 AM

7:00 AM

6:00 AM

9:00 AM

8:00 AM

11:00 AM

10:00 AM

1:00 PM

12:00 PM

3:00 PM

2:00 PM

5:00 PM

4:00 PM

7:00 PM

6:00 PM

9:00 PM

8:00 PM

11:00 PM

10:00 PM

1:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

ICT and AEST on the World Map

The map below highlights the ICT (Indochina Time) and AEST (Australian Eastern Standard Time) timezone regions across the globe.

ICT Zone

→

AEST Zone

Explore all world timezones interactively →

ICT – Indochina Time

UTC+07:00

Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.

Countries in ICT

ThailandVietnamCambodiaLaosIndonesia (WIB)

Major Cities in ICT

BangkokHo Chi Minh CityHanoiJakartaPhnom PenhVientiane

Key Facts about ICT

•Bangkok is one of the most visited cities in the world.
•ICT is 12 hours ahead of EST.
•Thailand, Vietnam, and Cambodia all share ICT.

Daylight Saving:No – UTC+07:00 year-round

Learn more about ICT on Wikipedia

AEST – Australian Eastern Standard Time

UTC+10:00

Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.

Countries in AEST

Australia (NSW, VIC, QLD, TAS, ACT)Papua New Guinea

Major Cities in AEST

SydneyMelbourneBrisbaneCanberraHobartGold Coast

Key Facts about AEST

•Queensland does not observe daylight saving time, staying on AEST year-round.
•Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
•The Australian Securities Exchange (ASX) operates on AEST/AEDT.
•AEST is 15 hours ahead of EST during winter.

Daylight Saving:Yes – switches to AEDT

Learn more about AEST on Wikipedia

About Ho Chi Minh

Wikipedia

Ho Chi Minh City operates on Indochina Time (ICT), UTC+7. As Vietnam's economic powerhouse and a manufacturing hub, Saigon drives Southeast Asian trade.

Population:9 million

Metro:13 million

Business Hours:8:00 AM - 5:00 PM ICT

Currency:VND (₫)

Stock Exchange:HOSE (Ho Chi Minh Stock Exchange)

Key Landmarks

Notre-Dame CathedralWar Remnants MuseumBen Thanh MarketIndependence PalaceCu Chi Tunnels

Did You Know?

The city has over 5 million motorbikes, outnumbering cars significantly.

Learn more about ICT timezone →

About Sydney

Wikipedia

Sydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.

Population:5.4 million

Metro:5.4 million

Business Hours:9:00 AM - 5:00 PM AEST

Currency:AUD (A$)

Stock Exchange:ASX (Australian Securities Exchange)

Key Landmarks

Sydney Opera HouseSydney Harbour BridgeBondi BeachDarling HarbourRoyal Botanic Garden

Did You Know?

Sydney is one of the first major cities to welcome the New Year.

Learn more about AEST timezone →

Everything You Need to Know About Ho Chi Minh and Sydney Time

Ho Chi Minh runs on Indochina Time (ICT) at UTC+07:00. Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts Ho Chi Minh 3 hours ahead of Sydney — a difference of +3h at the current offsets.

In practice, when it is 9:00 AM in Ho Chi Minh it is 12:00 PM in Sydney. Midnight in Ho Chi Minh is 3:00 AM in Sydney. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Ho Chi Minh to Sydney time conversion table

Ho Chi Minh (ICT)	Sydney (AEST)	Day
12:00 AM	3:00 AM	same day
6:00 AM	9:00 AM	same day
7:00 AM	10:00 AM	same day
8:00 AM	11:00 AM	same day
9:00 AM	12:00 PM	same day
12:00 PM	3:00 PM	same day
3:00 PM	6:00 PM	same day
5:00 PM	8:00 PM	same day
6:00 PM	9:00 PM	same day
9:00 PM	12:00 AM	next day

Why people convert Ho Chi Minh to Sydney time

Scheduling a call from Ho Chi Minh to Sydney: a 10:00 AM start in Ho Chi Minh lands at 1:00 PM in Sydney, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Ho Chi Minh and Sydney are inside the 9-to-5 working day between 9:00 AM and 2:00 PM ICT time (12:00 PM–5:00 PM AEST). That is roughly 5 hours of usable overlap.
Booking travel or deliveries: tracking Sydney local time against Ho Chi Minh keeps pickup windows and arrival estimates honest across the +3h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a +3h gap is not.
Block 9:00 AM–2:00 PM ICT as the recurring meeting window if you work primarily from Ho Chi Minh and need Sydney colleagues present.
Sydney: Clocks spring forward on Sat, Oct 3, 2026. Any meeting series spanning that date will shift by an hour in local time.

About ICT (Indochina Time)

Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.

About AEST (Australian Eastern Standard Time)

Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.

Best time to call between Ho Chi Minh and Sydney

Both Ho Chi Minh and Sydney sit inside the 9 AM – 5 PM working day between 9:00 AM–2:00 PM ICT, which is 12:00 PM–5:00 PM AEST. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Ho Chi Minh and Sydney share 5 hours of working-hours overlap (9:00 AM–2:00 PM ICT), so scheduling a live meeting is straightforward.

Ho Chi Minh is 3 hours ahead of Sydney (ICT UTC+07:00 → AEST UTC+10:00). The shared working window is 9:00 AM–2:00 PM ICT. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Ho Chi Minh

Does not observe DST

Sydney

❄ Currently in Standard Time

Standard: UTC+10:00 · DST: UTC+11:00

Clocks spring forward on Sat, Oct 3, 2026

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

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

Ho Chi Minh (ICT, UTC+07:00) is 3 hours ahead of Sydney (AEST, UTC+10:00). The gap is currently +3h.

How do I convert Ho Chi Minh time to Sydney time?

Add +3h to Ho Chi Minh local time. For example, 9:00 AM in Ho Chi Minh is 12:00 PM in Sydney.

What time is it in Sydney right now?

Sydney uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +3h offset from Ho Chi Minh.

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

Call between 9:00 AM and 2:00 PM ICT — that maps to 12:00 PM–5:00 PM AEST and keeps both parties inside the working day.

Which is ahead, Ho Chi Minh or Sydney?

Ho Chi Minh is 3 hours ahead of Sydney. When it is 12:00 PM in Ho Chi Minh it is 3:00 PM in Sydney.

Do Ho Chi Minh and Sydney use different time zones?

Ho Chi Minh (Vietnam) uses ICT at UTC+07:00, while Sydney (Australia) uses AEST at UTC+10:00. The IANA identifiers are Asia/Ho_Chi_Minh and Australia/Sydney.

Does daylight saving time affect the Ho Chi Minh–Sydney difference?

Neither zone observes daylight saving time, so the +3h offset between Ho Chi Minh and Sydney is fixed all year.

Which other cities share Ho Chi Minh's time zone?

ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.

Which countries use ICT, Ho Chi Minh's zone?

ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).

Is there a day difference between Ho Chi Minh and Sydney?

Not normally. The +3h gap only pushes the date over for late-evening times.

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

Sydney is +3h from Ho Chi Minh.

What timezone is Ho Chi Minh in?

Ho Chi Minh City operates on Indochina Time (ICT), UTC+7. As Vietnam's economic powerhouse and a manufacturing hub, Saigon drives Southeast Asian trade.

What timezone is Sydney in?

Sydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.

What are the business hours in Ho Chi Minh?

Standard business hours in Ho Chi Minh are 8:00 AM - 5:00 PM ICT.

What are the business hours in Sydney?

Standard business hours in Sydney are 9:00 AM - 5:00 PM AEST.

What is the best time to schedule a call between Ho Chi Minh and Sydney?

The best overlap for a call is when both cities are in business hours. Ho Chi Minh works 8:00 AM - 5:00 PM ICT and Sydney works 9:00 AM - 5:00 PM AEST (+3h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Ho Chi Minh and Sydney?

Ho Chi Minh uses VND (₫) while Sydney uses AUD (A$). Check current exchange rates when planning travel or business between these cities.

How do Ho Chi Minh and Sydney compare in size?

Ho Chi Minh has a population of approximately 9 million (metro: 13 million), while Sydney has approximately 5.4 million (metro: 5.4 million).

What are the major landmarks in Ho Chi Minh and Sydney?

Ho Chi Minh is known for Notre-Dame Cathedral, War Remnants Museum, Ben Thanh Market. Sydney is famous for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach.

Do Ho Chi Minh and Sydney have stock exchanges?

Yes. Ho Chi Minh has the HOSE (Ho Chi Minh Stock Exchange) and Sydney has the ASX (Australian Securities Exchange). The +3h time difference affects trading hour overlaps between these exchanges.