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.

Perth to Ho Chi Minh

-1h

Perth

AWSTSOURCE

Australia · UTC+08:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Ho Chi Minh

ICT

Vietnam · UTC+07:00

HH11

MM00

11:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Perth

Ho Chi Minh

12:00 AM

11:00 PM-1

2:00 AM

1:00 AM

4:00 AM

3:00 AM

6:00 AM

5:00 AM

8:00 AM

7:00 AM

10:00 AM

9:00 AM

12:00 PM

11:00 AM

2:00 PM

1:00 PM

4:00 PM

3:00 PM

6:00 PM

5:00 PM

8:00 PM

7:00 PM

10:00 PM

9:00 PM

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

AWST and ICT on the World Map

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

AWST Zone

→

ICT Zone

Explore all world timezones interactively →

AWST – Australian Western Standard Time

UTC+08:00

Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.

Countries in AWST

Australia (Western Australia)

Major Cities in AWST

PerthMandurahBunburyGeraldton

Key Facts about AWST

•Western Australia does not observe daylight saving time.
•Perth is the most isolated major city in the world.
•AWST is the same offset as China Standard Time and Singapore Time.

Daylight Saving:No – UTC+08:00 year-round

Learn more about AWST on Wikipedia

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

About Perth

Wikipedia

Perth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.

Population:2.1 million

Metro:2.2 million

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

Currency:AUD (A$)

Stock Exchange:ASX (via Sydney)

Key Landmarks

Kings ParkPerth MintElizabeth QuayCottesloe BeachFremantle Prison

Did You Know?

Western Australia does not observe daylight saving time.

Learn more about AWST timezone →

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 →

Perth vs Ho Chi Minh: Offsets, DST and Best Call Times

Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. Ho Chi Minh runs on Indochina Time (ICT) at UTC+07:00. That puts Perth 1 hour behind Ho Chi Minh — a difference of -1h at the current offsets.

In practice, when it is 9:00 AM in Perth it is 8:00 AM in Ho Chi Minh. Midnight in Perth is 11:00 PM in Ho Chi Minh. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Perth to Ho Chi Minh time conversion table

Perth (AWST)	Ho Chi Minh (ICT)	Day
12:00 AM	11:00 PM	previous day
6:00 AM	5:00 AM	same day
7:00 AM	6:00 AM	same day
8:00 AM	7:00 AM	same day
9:00 AM	8:00 AM	same day
12:00 PM	11:00 AM	same day
3:00 PM	2:00 PM	same day
5:00 PM	4:00 PM	same day
6:00 PM	5:00 PM	same day
9:00 PM	8:00 PM	same day

Why people convert Perth to Ho Chi Minh time

Scheduling a call from Perth to Ho Chi Minh: a 10:00 AM start in Perth lands at 9:00 AM in Ho Chi Minh, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Perth and Ho Chi Minh are inside the 9-to-5 working day between 10:00 AM and 5:00 PM AWST time (9:00 AM–4:00 PM ICT). That is roughly 7 hours of usable overlap.
Watching a live event or market open: Perth viewers need 8:00 AM in Ho Chi Minh to catch a 9:00 AM start there, and 1:00 AM if the event is anchored to Perth.

Always state the zone abbreviation, not just the hour. "3:00 PM AWST" is unambiguous; "3 PM" across a -1h gap is not.
Block 10:00 AM–5:00 PM AWST as the recurring meeting window if you work primarily from Perth and need Ho Chi Minh colleagues present.

About AWST (Australian Western Standard Time)

Australian Western Standard Time (AWST) is used in Western Australia. WA does not observe daylight saving time, having rejected it in multiple referendums. Perth is the most remote major city in the world.

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.

Best time to call between Perth and Ho Chi Minh

Both Perth and Ho Chi Minh sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM AWST, which is 9:00 AM–4:00 PM ICT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Perth and Ho Chi Minh share 7 hours of working-hours overlap (10:00 AM–5:00 PM AWST), so scheduling a live meeting is straightforward.

Perth is 1 hour behind Ho Chi Minh (AWST UTC+08:00 → ICT UTC+07:00). The shared working window is 10:00 AM–5:00 PM AWST. Remember to re-check around daylight-saving transitions.

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 Perth and Ho Chi Minh?

Perth (AWST, UTC+08:00) is 1 hour behind Ho Chi Minh (ICT, UTC+07:00). The gap is currently -1h.

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

Add -1h to Perth local time. For example, 9:00 AM in Perth is 8:00 AM in Ho Chi Minh.

What time is it in Ho Chi Minh right now?

Ho Chi Minh uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from Perth.

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

Call between 10:00 AM and 5:00 PM AWST — that maps to 9:00 AM–4:00 PM ICT and keeps both parties inside the working day.

Which is behind, Perth or Ho Chi Minh?

Perth is 1 hour behind Ho Chi Minh. When it is 12:00 PM in Perth it is 11:00 AM in Ho Chi Minh.

Do Perth and Ho Chi Minh use different time zones?

Perth (Australia) uses AWST at UTC+08:00, while Ho Chi Minh (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are Australia/Perth and Asia/Ho_Chi_Minh.

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

Neither zone observes daylight saving time, so the -1h offset between Perth and Ho Chi Minh is fixed all year.

Which other cities share Perth's time zone?

AWST also covers Perth, Mandurah, Bunbury, Geraldton.

Which countries use AWST, Perth's zone?

AWST is used in Australia (Western Australia).

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

Not normally. The -1h gap only pushes the date over the previous day.

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

Ho Chi Minh is -1h from Perth.

What timezone is Perth in?

Perth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.

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 are the business hours in Perth?

Standard business hours in Perth are 9:00 AM - 5:00 PM AWST.

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

The best overlap for a call is when both cities are in business hours. Perth works 9:00 AM - 5:00 PM AWST and Ho Chi Minh works 8:00 AM - 5:00 PM ICT (-1h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Perth and Ho Chi Minh?

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

How do Perth and Ho Chi Minh compare in size?

Perth has a population of approximately 2.1 million (metro: 2.2 million), while Ho Chi Minh has approximately 9 million (metro: 13 million).

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

Perth is known for Kings Park, Perth Mint, Elizabeth Quay. Ho Chi Minh is famous for Notre-Dame Cathedral, War Remnants Museum, Ben Thanh Market.

Do Perth and Ho Chi Minh have stock exchanges?

Yes. Perth has the ASX (via Sydney) and Ho Chi Minh has the HOSE (Ho Chi Minh Stock Exchange). The -1h time difference affects trading hour overlaps between these exchanges.