Jakarta to AWST
+1hJakarta
WIBSOURCEAWST
AWSTGreen rows indicate typical business hours (9 AM - 5 PM)
WIB and AWST on the World Map
The map below highlights the WIB (Western Indonesia Time) and AWST (Australian Western Standard Time) timezone regions across the globe.
WIB – Western Indonesia Time
UTC+07:00Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.
- •Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
- •Indonesia has not observed daylight saving time since 1964.
- •Jakarta is the largest city in Southeast Asia by population.
- •WIB shares the UTC+07:00 offset with Indochina Time.
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.
About Jakarta
WikipediaJakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
Indonesia has 3 time zones; Jakarta uses Western Indonesia Time (WIB).
Everything You Need to Know About Jakarta and AWST Time
Jakarta runs on Western Indonesia Time (WIB) at UTC+07:00. AWST runs on Australian Western Standard Time (AWST) at UTC+08:00. That puts Jakarta 1 hour ahead of AWST — a difference of +1h at the current offsets.
In practice, when it is 9:00 AM in Jakarta it is 10:00 AM in AWST. Midnight in Jakarta is 1:00 AM in AWST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Jakarta to AWST time conversion table
| Jakarta (WIB) | AWST (AWST) | Day |
|---|---|---|
| 12:00 AM | 1:00 AM | same day |
| 6:00 AM | 7:00 AM | same day |
| 7:00 AM | 8:00 AM | same day |
| 8:00 AM | 9:00 AM | same day |
| 9:00 AM | 10:00 AM | same day |
| 12:00 PM | 1:00 PM | same day |
| 3:00 PM | 4:00 PM | same day |
| 5:00 PM | 6:00 PM | same day |
| 6:00 PM | 7:00 PM | same day |
| 9:00 PM | 10:00 PM | same day |
Why people convert Jakarta to AWST time
- Scheduling a call from Jakarta to AWST: a 10:00 AM start in Jakarta lands at 11:00 AM in AWST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Jakarta and AWST are inside the 9-to-5 working day between 9:00 AM and 4:00 PM WIB time (10:00 AM–5:00 PM AWST). That is roughly 7 hours of usable overlap.
- Coordinating a Jakarta-based team with AWST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a +1h gap is not.
- Block 9:00 AM–4:00 PM WIB as the recurring meeting window if you work primarily from Jakarta and need AWST colleagues present.
About WIB (Western Indonesia Time)
Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.
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.
Best time to call between Jakarta and AWST
Both Jakarta and AWST sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM WIB, which is 10:00 AM–5:00 PM AWST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Jakarta and AWST share 7 hours of working-hours overlap (9:00 AM–4:00 PM WIB), so scheduling a live meeting is straightforward.
Jakarta is 1 hour ahead of AWST (WIB UTC+07:00 → AWST UTC+08:00). The shared working window is 9:00 AM–4:00 PM WIB. 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 Jakarta and AWST?
Jakarta (WIB, UTC+07:00) is 1 hour ahead of AWST (AWST, UTC+08:00). The gap is currently +1h.
How do I convert Jakarta time to AWST time?
Add +1h to Jakarta local time. For example, 9:00 AM in Jakarta is 10:00 AM in AWST.
What time is it in AWST right now?
AWST uses AWST at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from Jakarta.
What is the best time to call AWST from Jakarta?
Call between 9:00 AM and 4:00 PM WIB — that maps to 10:00 AM–5:00 PM AWST and keeps both parties inside the working day.
Which is ahead, Jakarta or AWST?
Jakarta is 1 hour ahead of AWST. When it is 12:00 PM in Jakarta it is 1:00 PM in AWST.
Do Jakarta and AWST use different time zones?
Jakarta (Indonesia) uses WIB at UTC+07:00, while AWST uses AWST at UTC+08:00. The IANA identifiers are Asia/Jakarta and Australia/Perth.
Does daylight saving time affect the Jakarta–AWST difference?
Neither zone observes daylight saving time, so the +1h offset between Jakarta and AWST is fixed all year.
Which other cities share Jakarta's time zone?
WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.
Which countries use WIB, Jakarta's zone?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Is there a day difference between Jakarta and AWST?
Not normally. The +1h gap only pushes the date over for late-evening times.
What is the time difference between Jakarta and AWST?
AWST is +1h from Jakarta.
What timezone is Jakarta in?
Jakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
What timezone is AWST in?
AWST operates on its local timezone.
What are the business hours in Jakarta?
Standard business hours in Jakarta are 8:00 AM - 5:00 PM WIB.
Which countries use WIB (Western Indonesia Time)?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Does WIB observe daylight saving time?
No, WIB does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about WIB?
Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00). Indonesia has not observed daylight saving time since 1964.
Which cities are in the AWST timezone?
Major cities in the AWST timezone include Perth, Mandurah, Bunbury, Geraldton.
What is the UTC offset for AWST?
Australian Western Standard Time (AWST) is at UTC+08:00.
What should I know about the AWST timezone?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
When is it midnight in Jakarta, what time is it in AWST?
When it is 12:00 AM (midnight) in Jakarta (WIB), it is +1h later in AWST (AWST).
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