IST to WIB time converter
WIB is 1 hour 30 minutes ahead of IST. When it is 9:00 AM in IST, it is 10:30 AM in WIB.
12:37 AM in IST, Saturday, October 17, 2026
Shared working hours (9:00–18:00)
IST to WIB conversion table
Every hour of today in IST and the matching time in WIB. Light rows are typical working hours (9:00–18:00).
| IST | WIB |
|---|---|
| 12:00 AM | 1:30 AM |
| 1:00 AM | 2:30 AM |
| 2:00 AM | 3:30 AM |
| 3:00 AM | 4:30 AM |
| 4:00 AM | 5:30 AM |
| 5:00 AM | 6:30 AM |
| 6:00 AM | 7:30 AM |
| 7:00 AM | 8:30 AM |
| 8:00 AM | 9:30 AM |
| 9:00 AM | 10:30 AM |
| 10:00 AM | 11:30 AM |
| 11:00 AM | 12:30 PM |
| 12:00 PM | 1:30 PM |
| 1:00 PM | 2:30 PM |
| 2:00 PM | 3:30 PM |
| 3:00 PM | 4:30 PM |
| 4:00 PM | 5:30 PM |
| 5:00 PM | 6:30 PM |
| 6:00 PM | 7:30 PM |
| 7:00 PM | 8:30 PM |
| 8:00 PM | 9:30 PM |
| 9:00 PM | 10:30 PM |
| 10:00 PM | 11:30 PM |
| 11:00 PM | 12:30 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 4:30 PM in IST (10:30 AM – 6:00 PM in WIB).
Daylight saving time and the difference
The difference stays 1 hour 30 minutes all year.
More conversions
Questions and answers
What is the time difference between IST and WIB?
WIB is 1 hour 30 minutes ahead of IST.
What time is it in WIB when it is 9 AM in IST?
When it is 9:00 AM in IST, it is 10:30 AM in WIB.
When is the best time to call WIB from IST?
Both sides are at work from 9:00 AM – 4:30 PM in IST (10:30 AM – 6:00 PM in WIB).
Does the time difference between IST and WIB change?
No. The difference stays 1 hour 30 minutes all year.