Vietnam to AEDT
+4hVietnam
ICTSOURCEAEDT
AEDTGreen rows indicate typical business hours (9 AM - 5 PM)
ICT and AEDT on the World Map
The map below highlights the ICT (Indochina Time) and AEDT (Australian Eastern Daylight Time) timezone regions across the globe.
ICT – Indochina Time
UTC+07:00Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.
- •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.
AEDT – Australian Eastern Daylight Time
UTC+11:00Australian Eastern Daylight Time (AEDT, UTC+11:00) is the daylight saving period in south-eastern Australia, from October to April.
- •AEDT runs from the first Sunday in October to the first Sunday in April.
- •AEDT is one hour ahead of Australian Eastern Standard Time (AEST).
- •Queensland does not observe daylight saving, so Brisbane stays on AEST.
- •During AEDT, Sydney is 16 hours ahead of New York and 11 hours ahead of UTC.
Time Conversion Guide: Vietnam to AEDT
Vietnam runs on Indochina Time (ICT) at UTC+07:00. AEDT runs on Australian Eastern Daylight Time (AEDT) at UTC+11:00. That puts Vietnam 4 hours ahead of AEDT — a difference of +4h at the current offsets.
In practice, when it is 9:00 AM in Vietnam it is 1:00 PM in AEDT. Midnight in Vietnam is 4:00 AM in AEDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Vietnam to AEDT time conversion table
| Vietnam (ICT) | AEDT (AEDT) | Day |
|---|---|---|
| 12:00 AM | 4:00 AM | same day |
| 6:00 AM | 10:00 AM | same day |
| 7:00 AM | 11:00 AM | same day |
| 8:00 AM | 12:00 PM | same day |
| 9:00 AM | 1:00 PM | same day |
| 12:00 PM | 4:00 PM | same day |
| 3:00 PM | 7:00 PM | same day |
| 5:00 PM | 9:00 PM | same day |
| 6:00 PM | 10:00 PM | same day |
| 9:00 PM | 1:00 AM | next day |
Why people convert Vietnam to AEDT time
- Scheduling a call from Vietnam to AEDT: a 10:00 AM start in Vietnam lands at 2:00 PM in AEDT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Vietnam and AEDT are inside the 9-to-5 working day between 9:00 AM and 1:00 PM ICT time (1:00 PM–5:00 PM AEDT). That is roughly 4 hours of usable overlap.
- Booking travel or deliveries: tracking AEDT local time against Vietnam keeps pickup windows and arrival estimates honest across the +4h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a +4h gap is not.
- Block 9:00 AM–1:00 PM ICT as the recurring meeting window if you work primarily from Vietnam and need AEDT colleagues present.
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 AEDT (Australian Eastern Daylight Time)
Australian Eastern Daylight Time (AEDT) is the daylight saving period in south-eastern Australia, one hour ahead of Australian Eastern Standard Time (AEST, UTC+10:00). Because Australia is in the southern hemisphere, AEDT runs through the summer — from the first Sunday in October to the first Sunday in April — which is almost exactly the reverse of the European and North American schedules. New South Wales, Victoria, Tasmania and the Australian Capital Territory observe it; Queensland and the Northern Territory do not, so Brisbane stays on AEST year round while Sydney moves to AEDT. During AEDT, Sydney is 11 hours ahead of UTC and 16 hours ahead of New York.
Best time to call between Vietnam and AEDT
Both Vietnam and AEDT sit inside the 9 AM – 5 PM working day between 9:00 AM–1:00 PM ICT, which is 1:00 PM–5:00 PM AEDT. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Vietnam and AEDT overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
Vietnam is 4 hours ahead of AEDT (ICT UTC+07:00 → AEDT UTC+11:00). The shared working window is 9:00 AM–1:00 PM ICT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Vietnam
Does not observe DST
AEDT
❄ 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:
Frequently Asked Questions
What is the time difference between Vietnam and AEDT?
Vietnam (ICT, UTC+07:00) is 4 hours ahead of AEDT (AEDT, UTC+11:00). The gap is currently +4h.
How do I convert Vietnam time to AEDT time?
Add +4h to Vietnam local time. For example, 9:00 AM in Vietnam is 1:00 PM in AEDT.
What time is it in AEDT right now?
AEDT uses AEDT at UTC+11:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +4h offset from Vietnam.
What is the best time to call AEDT from Vietnam?
Call between 9:00 AM and 1:00 PM ICT — that maps to 1:00 PM–5:00 PM AEDT and keeps both parties inside the working day.
Which is ahead, Vietnam or AEDT?
Vietnam is 4 hours ahead of AEDT. When it is 12:00 PM in Vietnam it is 4:00 PM in AEDT.
Do Vietnam and AEDT use different time zones?
Vietnam (Vietnam) uses ICT at UTC+07:00, while AEDT uses AEDT at UTC+11:00. The IANA identifiers are Asia/Ho_Chi_Minh and Australia/Sydney.
Does daylight saving time affect the Vietnam–AEDT difference?
Neither zone observes daylight saving time, so the +4h offset between Vietnam and AEDT is fixed all year.
Which other cities share Vietnam's time zone?
ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
Which countries use ICT, Vietnam's zone?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Is there a day difference between Vietnam and AEDT?
Not normally. The +4h gap only pushes the date over for late-evening times.
What is the time difference between Vietnam and AEDT?
AEDT is +4h from Vietnam.
What timezone is Vietnam in?
Vietnam operates on its local timezone.
What timezone is AEDT in?
AEDT operates on its local timezone.
Which countries use ICT (Indochina Time)?
ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).
Does ICT observe daylight saving time?
No, ICT does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about ICT?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
Which cities are in the AEDT timezone?
Major cities in the AEDT timezone include Sydney, Melbourne, Canberra, Hobart, Newcastle.
What is the UTC offset for AEDT?
Australian Eastern Daylight Time (AEDT) is at UTC+11:00. During daylight saving time, it shifts to AEDT.
What should I know about the AEDT timezone?
AEDT runs from the first Sunday in October to the first Sunday in April. AEDT is one hour ahead of Australian Eastern Standard Time (AEST).
When is it midnight in Vietnam, what time is it in AEDT?
When it is 12:00 AM (midnight) in Vietnam (ICT), it is +4h later in AEDT (AEDT).
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