Offset
The time difference between Western Indonesia Time and Australian Eastern Time is 3 hours.
Western Indonesia Time (WIB) is behind Australian Eastern Time (AEST).
WIB: UTC+7
AEST: UTC+10
Neither Western Indonesia Time nor Australian Eastern Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–2 PM in Western Indonesia Time (12 PM–5 PM in Australian Eastern Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 11:00 AM Western Indonesia Time (2:00 PM Australian Eastern Time).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Indonesia
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Labour DayFri, May 1
- Ascension DayThu, May 14
- Pancasila DayMon, Jun 1
- Independence DayMon, Aug 17
- Christmas DayFri, Dec 25
Australia
- New Year's DayThu, Jan 1
- Australia DayMon, Jan 26
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Western Indonesia Time is also known as WIB. To call Indonesia, dial +62.
Australian Eastern Time is also known as AEST, or AEDT. To call Australia, dial +61.
Australian Eastern Time is approximately 3,400 miles southeast of Western Indonesia Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| WIB | AEST | Day |
|---|---|---|
| 12:00 am | 3:00 am | Same day |
| 1:00 am | 4:00 am | Same day |
| 2:00 am | 5:00 am | Same day |
| 3:00 am | 6:00 am | Same day |
| 4:00 am | 7:00 am | Same day |
| 5:00 am | 8:00 am | Same day |
| 6:00 am | 9:00 am | Same day |
| 7:00 am | 10:00 am | Same day |
| 8:00 am | 11:00 am | Same day |
| 9:00 am | 12:00 pm | Same day |
| 10:00 am | 1:00 pm | Same day |
| 11:00 am | 2:00 pm | Same day |
| 12:00 pm | 3:00 pm | Same day |
| 1:00 pm | 4:00 pm | Same day |
| 2:00 pm | 5:00 pm | Same day |
| 3:00 pm | 6:00 pm | Same day |
| 4:00 pm | 7:00 pm | Same day |
| 5:00 pm | 8:00 pm | Same day |
| 6:00 pm | 9:00 pm | Same day |
| 7:00 pm | 10:00 pm | Same day |
| 8:00 pm | 11:00 pm | Same day |
| 9:00 pm | 12:00 am | +1 day |
| 10:00 pm | 1:00 am | +1 day |
| 11:00 pm | 2:00 am | +1 day |
Daylight saving time
Australian Eastern Time observes daylight saving time; Western Indonesia Time does not. The offset between the two zones changes when Australian Eastern Time transitions: on Sunday, October 4, 2026, clocks spring forward from AEST to AEDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:59 AM
- Sunset
- 5:45 PM
- Day length
- 11h 47m
- Sunrise
- 6:54 AM
- Sunset
- 4:54 PM
- Day length
- 10h
Daylight overlap: 7h 56m — 5:59 AM–1:54 PM in Western Indonesia Time (8:59 AM–4:54 PM in Australian Eastern Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Western Indonesia Time
Cities in Australian Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Western Indonesia Time
- CGK
- HLP
- SUB
- BDO
- KNO
- PLM
- SRG
Airports in Australian Eastern Time
- SYD
- CBR
Related conversions
Common conversions
- What is 9:00 am WIB in AEST?
- 9:00 am WIB is 12:00 pm AEST.
- What is 12:00 pm WIB in AEST?
- 12:00 pm WIB is 3:00 pm AEST.
- What is 12:30 pm WIB in AEST?
- 12:30 pm WIB is 3:30 pm AEST.
- What is 2:00 pm WIB in AEST?
- 2:00 pm WIB is 5:00 pm AEST.
- What is 5:00 pm WIB in AEST?
- 5:00 pm WIB is 8:00 pm AEST.
- What is 11:30 pm WIB in AEST?
- 11:30 pm WIB is 2:30 am AEST, the next day.