Perth to Bangkok
-1hPerth
AWSTSOURCEBangkok
ICTGreen 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 – Australian Western Standard Time
UTC+08:00Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.
- •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.
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.
About Perth
WikipediaPerth operates on Australian Western Time (AWST), UTC+8 with no daylight saving. As Australia's mining capital, Perth coordinates with Asian markets.
Western Australia does not observe daylight saving time.
About Bangkok
WikipediaBangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
Bangkok is one of the world's most visited cities, with over 22 million visitors annually.
Time Conversion Guide: Perth to Bangkok
Perth runs on Australian Western Standard Time (AWST) at UTC+08:00. Bangkok runs on Indochina Time (ICT) at UTC+07:00. That puts Perth 1 hour behind Bangkok — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in Perth it is 8:00 AM in Bangkok. Midnight in Perth is 11:00 PM in Bangkok. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Perth to Bangkok time conversion table
| Perth (AWST) | Bangkok (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 Bangkok time
- Scheduling a call from Perth to Bangkok: a 10:00 AM start in Perth lands at 9:00 AM in Bangkok, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Perth and Bangkok 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 Bangkok 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 Bangkok 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 Bangkok
Both Perth and Bangkok 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 Bangkok 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 Bangkok (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:
Frequently Asked Questions
What is the time difference between Perth and Bangkok?
Perth (AWST, UTC+08:00) is 1 hour behind Bangkok (ICT, UTC+07:00). The gap is currently -1h.
How do I convert Perth time to Bangkok time?
Add -1h to Perth local time. For example, 9:00 AM in Perth is 8:00 AM in Bangkok.
What time is it in Bangkok right now?
Bangkok 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 Bangkok 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 Bangkok?
Perth is 1 hour behind Bangkok. When it is 12:00 PM in Perth it is 11:00 AM in Bangkok.
Do Perth and Bangkok use different time zones?
Perth (Australia) uses AWST at UTC+08:00, while Bangkok (Thailand) uses ICT at UTC+07:00. The IANA identifiers are Australia/Perth and Asia/Bangkok.
Does daylight saving time affect the Perth–Bangkok difference?
Neither zone observes daylight saving time, so the -1h offset between Perth and Bangkok 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 Bangkok?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between Perth and Bangkok?
Bangkok 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 Bangkok in?
Bangkok operates on Indochina Time (ICT), UTC+7. As Southeast Asia's largest economy hub, Bangkok bridges East Asian and South Asian business hours.
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 Bangkok?
Standard business hours in Bangkok are 8:30 AM - 5:30 PM ICT.
What is the best time to schedule a call between Perth and Bangkok?
The best overlap for a call is when both cities are in business hours. Perth works 9:00 AM - 5:00 PM AWST and Bangkok works 8:30 AM - 5:30 PM ICT (-1h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Perth and Bangkok?
Perth uses AUD (A$) while Bangkok uses THB (฿). Check current exchange rates when planning travel or business between these cities.
How do Perth and Bangkok compare in size?
Perth has a population of approximately 2.1 million (metro: 2.2 million), while Bangkok has approximately 8.3 million (metro: 14.6 million).
What are the major landmarks in Perth and Bangkok?
Perth is known for Kings Park, Perth Mint, Elizabeth Quay. Bangkok is famous for Grand Palace, Wat Arun, Wat Pho.
Do Perth and Bangkok have stock exchanges?
Yes. Perth has the ASX (via Sydney) and Bangkok has the SET (Stock Exchange of Thailand). The -1h time difference affects trading hour overlaps between these exchanges.
Which countries use AWST (Australian Western Standard Time)?
AWST is used in Australia (Western Australia).
Does AWST observe daylight saving time?
No, AWST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about AWST?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
Which cities are in the ICT timezone?
Major cities in the ICT timezone include Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.
What is the UTC offset for ICT?
Indochina Time (ICT) is at UTC+07:00.
What should I know about the ICT timezone?
Bangkok is one of the most visited cities in the world. ICT is 12 hours ahead of EST.
When is it midnight in Perth, what time is it in Bangkok?
When it is 12:00 AM (midnight) in Perth (AWST), it is -1h later in Bangkok (ICT).
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