Offset
The time difference between Western Indonesia Time and Arabia Standard Time is 4 hours.
Western Indonesia Time (WIB) is ahead of Arabia Standard Time (AST).
WIB: UTC+7
AST: UTC+3
Neither Western Indonesia Time nor Arabia Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 1 PM–5 PM in Western Indonesia Time (9 AM–1 PM in Arabia Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Western Indonesia Time (11:00 AM Arabia Standard Time).
Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
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
About these zones
Western Indonesia Time is also known as WIB. To call Indonesia, dial +62.
Arabia Standard Time is also known as AST. To call Saudi Arabia, dial +966.
Arabia Standard Time is approximately 4,550 miles northwest of Western Indonesia Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| WIB | AST | Day |
|---|---|---|
| 12:00 am | 8:00 pm | -1 day |
| 1:00 am | 9:00 pm | -1 day |
| 2:00 am | 10:00 pm | -1 day |
| 3:00 am | 11:00 pm | -1 day |
| 4:00 am | 12:00 am | Same day |
| 5:00 am | 1:00 am | Same 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 |
| 10:00 am | 6:00 am | Same day |
| 11:00 am | 7:00 am | Same day |
| 12:00 pm | 8:00 am | Same day |
| 1:00 pm | 9:00 am | Same day |
| 2:00 pm | 10:00 am | Same day |
| 3:00 pm | 11:00 am | Same day |
| 4:00 pm | 12:00 pm | Same day |
| 5:00 pm | 1:00 pm | Same day |
| 6:00 pm | 2:00 pm | Same day |
| 7:00 pm | 3:00 pm | Same day |
| 8:00 pm | 4:00 pm | Same day |
| 9:00 pm | 5:00 pm | Same day |
| 10:00 pm | 6:00 pm | Same day |
| 11:00 pm | 7:00 pm | Same day |
Daylight saving time
Neither Western Indonesia Time nor Arabia Standard Time observes daylight saving time. The offset between these zones remains constant year-round.
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
- 5:05 AM
- Sunset
- 6:41 PM
- Day length
- 13h 36m
Daylight overlap: 8h 41m — 9:05 AM–5:45 PM in Western Indonesia Time (5:05 AM–1:45 PM in Arabia Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Western Indonesia 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 Arabia Standard Time
- JED
- RUH
- MED
- DMM
Related conversions
Common conversions
- What is 9:00 am WIB in AST?
- 9:00 am WIB is 5:00 am AST.
- What is 12:00 pm WIB in AST?
- 12:00 pm WIB is 8:00 am AST.
- What is 12:30 pm WIB in AST?
- 12:30 pm WIB is 8:30 am AST.
- What is 2:00 pm WIB in AST?
- 2:00 pm WIB is 10:00 am AST.
- What is 5:00 pm WIB in AST?
- 5:00 pm WIB is 1:00 pm AST.
- What is 11:30 pm WIB in AST?
- 11:30 pm WIB is 7:30 pm AST.