AWST to WIB Converter & Meeting Planner
Quick answer: 9:00 AM AWST = 8:00 AM WIB (fixed +08:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Australian Western Standard Time (AWST) and Western Indonesian Time (WIB)? You need to account for the standard time difference. Western Indonesian Time is normally 1 hours behind Australian Western Standard Time. Whether you are coordinating between teams in Perth and Bunbury and Jakarta and Surabaya, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM AWST = 11:00 PM WIB. The full 24-hour AWST to WIB table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM AWST = 2:00 PM WIB.
| AWST Time | WIB Time |
|---|---|
| 12:00 AM (00:00) | 11:00 PM (23:00)-1 day |
| 1:00 AM (01:00) | 12:00 AM (00:00) |
| 2:00 AM (02:00) | 1:00 AM (01:00) |
| 3:00 AM (03:00) | 2:00 AM (02:00) |
| 4:00 AM (04:00) | 3:00 AM (03:00) |
| 5:00 AM (05:00) | 4:00 AM (04:00) |
| 6:00 AM (06:00) | 5:00 AM (05:00) |
| 7:00 AM (07:00) | 6:00 AM (06:00) |
| 8:00 AM (08:00) | 7:00 AM (07:00) |
| 9:00 AM (09:00) | 8:00 AM (08:00) |
| 10:00 AM (10:00) | 9:00 AM (09:00) |
| 11:00 AM (11:00) | 10:00 AM (10:00) |
| 12:00 PM (12:00) | 11:00 AM (11:00) |
| 1:00 PM (13:00) | 12:00 PM (12:00) |
| 2:00 PM (14:00) | 1:00 PM (13:00) |
| 3:00 PM (15:00) | 2:00 PM (14:00) |
| 4:00 PM (16:00) | 3:00 PM (15:00) |
| 5:00 PM (17:00) | 4:00 PM (16:00) |
| 6:00 PM (18:00) | 5:00 PM (17:00) |
| 7:00 PM (19:00) | 6:00 PM (18:00) |
| 8:00 PM (20:00) | 7:00 PM (19:00) |
| 9:00 PM (21:00) | 8:00 PM (20:00) |
| 10:00 PM (22:00) | 9:00 PM (21:00) |
| 11:00 PM (23:00) | 10:00 PM (22:00) |
Best time to call Jakarta from Perth
For most work calls, compare the normal business day in Perth (AWST) with the business day in Jakarta (WIB). AWST commonly covers Oceania, Australia, while WIB is mainly associated with Southeast Asia.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 10:00 AM - 5:00 PM AWST, which corresponds to 9:00 AM - 4:00 PM WIB. This window sits inside the typical AWST workday (8:30 AM - 5:00 PM) and the WIB workday (9:00 AM - 5:00 PM).
- DST Safety: Neither AWST nor WIB uses Daylight Saving Time in our dataset, making business-hour relationships stable year-round.
- Australian Securities Exchange (ASX) - Local Perth Hours: 08:00-14:00 local time in Perth.
- Indonesia Stock Exchange (IDX): 09:00-16:00 local time in Jakarta.
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Frequently Asked Questions
What is the time difference between AWST and WIB?
During standard time, Western Indonesian Time is 1 hours behind Australian Western Standard Time.
Does Perth observe Daylight Saving Time?
Perth and the rest of Western Australia do not observe Daylight Saving Time. Western Australians have voted against DST in multiple state referendums — most recently in 2009 — and AWST remains permanently fixed at UTC+08:00 throughout the year.
Are AWST and China Standard Time the same?
AWST and China Standard Time (CST) share the exact same UTC+08:00 offset, meaning Perth and Beijing operate on an identical clock. The same applies to Singapore Time (SGT) and Malaysia Time (MYT) — all three are perfectly synchronized with AWST, eliminating offset calculations entirely for the resource and commodity trade flows that connect Perth to these major Asian markets.
Does Indonesia observe Daylight Saving Time?
Indonesia does not observe Daylight Saving Time and has not done so since 1963. WIB remains fixed at UTC+07:00 year-round, providing consistent, predictable scheduling for businesses and travelers operating across Indonesian time zones.
Which areas of Indonesia use WIB?
WIB applies to Indonesia's westernmost islands: Sumatra, Java, West Kalimantan, and Central Kalimantan. These regions encompass the country's largest population centers and its political and economic capital, Jakarta.