AEDT to WIB
-4hAEDT
AEDTSOURCEWIB
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
AEDT and WIB on the World Map
The map below highlights the AEDT (Australian Eastern Daylight Time) and WIB (Western Indonesia Time) timezone regions across the globe.
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.
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.
Time Conversion Guide: AEDT to WIB
AEDT runs on Australian Eastern Daylight Time (AEDT) at UTC+11:00. WIB runs on Western Indonesia Time (WIB) at UTC+07:00. That puts AEDT 4 hours behind WIB — a difference of -4h at the current offsets.
In practice, when it is 9:00 AM in AEDT it is 5:00 AM in WIB. Midnight in AEDT is 8:00 PM in WIB. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AEDT to WIB time conversion table
| AEDT (AEDT) | WIB (WIB) | Day |
|---|---|---|
| 12:00 AM | 8:00 PM | previous day |
| 6:00 AM | 2:00 AM | same day |
| 7:00 AM | 3:00 AM | same day |
| 8:00 AM | 4:00 AM | same day |
| 9:00 AM | 5:00 AM | same day |
| 12:00 PM | 8:00 AM | same day |
| 3:00 PM | 11:00 AM | same day |
| 5:00 PM | 1:00 PM | same day |
| 6:00 PM | 2:00 PM | same day |
| 9:00 PM | 5:00 PM | same day |
Why people convert AEDT to WIB time
- Scheduling a call from AEDT to WIB: a 10:00 AM start in AEDT lands at 6:00 AM in WIB, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both AEDT and WIB are inside the 9-to-5 working day between 1:00 PM and 5:00 PM AEDT time (9:00 AM–1:00 PM WIB). That is roughly 4 hours of usable overlap.
- Coordinating a AEDT-based team with WIB 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 AEDT" is unambiguous; "3 PM" across a -4h gap is not.
- Block 1:00 PM–5:00 PM AEDT as the recurring meeting window if you work primarily from AEDT and need WIB colleagues present.
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.
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.
Best time to call between AEDT and WIB
Both AEDT and WIB sit inside the 9 AM – 5 PM working day between 1:00 PM–5:00 PM AEDT, which is 9:00 AM–1:00 PM WIB. That gives roughly 4 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
AEDT and WIB overlap for about 4 hours during the working day — enough for meetings if you avoid the edges of the window.
AEDT is 4 hours behind WIB (AEDT UTC+11:00 → WIB UTC+07:00). The shared working window is 1:00 PM–5:00 PM AEDT. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
AEDT
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
WIB
Does not observe DST
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 AEDT and WIB?
AEDT (AEDT, UTC+11:00) is 4 hours behind WIB (WIB, UTC+07:00). The gap is currently -4h.
How do I convert AEDT time to WIB time?
Add -4h to AEDT local time. For example, 9:00 AM in AEDT is 5:00 AM in WIB.
What time is it in WIB right now?
WIB uses WIB at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -4h offset from AEDT.
What is the best time to call WIB from AEDT?
Call between 1:00 PM and 5:00 PM AEDT — that maps to 9:00 AM–1:00 PM WIB and keeps both parties inside the working day.
Which is behind, AEDT or WIB?
AEDT is 4 hours behind WIB. When it is 12:00 PM in AEDT it is 8:00 AM in WIB.
Does daylight saving time affect the AEDT–WIB difference?
Neither zone observes daylight saving time, so the -4h offset between AEDT and WIB is fixed all year.
Which other cities share AEDT's time zone?
AEDT also covers Sydney, Melbourne, Canberra, Hobart, Newcastle.
Which countries use AEDT, AEDT's zone?
AEDT is used in Australia (NSW, Victoria, Tasmania, ACT).
Is there a day difference between AEDT and WIB?
Not normally. The -4h gap only pushes the date over the previous day.
What is the time difference between AEDT and WIB?
WIB is -4h from AEDT.
What timezone is AEDT in?
AEDT operates on its local timezone.
What timezone is WIB in?
WIB operates on its local timezone.
Which countries use AEDT (Australian Eastern Daylight Time)?
AEDT is used in Australia (NSW, Victoria, Tasmania, ACT).
Does AEDT observe daylight saving time?
Yes, AEDT switches to AEDT during summer months.
What are some interesting facts about AEDT?
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).
Which cities are in the WIB timezone?
Major cities in the WIB timezone include Jakarta, Surabaya, Bandung, Medan, Palembang.
What is the UTC offset for WIB?
Western Indonesia Time (WIB) is at UTC+07:00.
What should I know about the WIB timezone?
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.
When is it midnight in AEDT, what time is it in WIB?
When it is 12:00 AM (midnight) in AEDT (AEDT), it is -4h later in WIB (WIB).
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