IST to WIB Converter
Western Indonesia Time · Jakarta, Bandung, Surabaya, Medan
Also convert in reverse: WIB to IST →
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IST to WIB Conversion Table
Common IST times converted to Western Indonesia Time
| IST (UTC+05:30) | WIB (UTC+07:00) | Note |
|---|---|---|
| 12:00 AM (midnight) | 1:30 AM | |
| 6:00 AM | 7:30 AM | |
| 9:00 AM | 10:30 AM | |
| 12:00 PM (noon) | 1:30 PM | |
| 3:00 PM | 4:30 PM | |
| 6:00 PM | 7:30 PM | |
| 9:00 PM | 10:30 PM | |
| 11:30 PM | 1:00 AM | +1 day |
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About Western Indonesia Time
How to convert IST to WIB
Indian Standard Time (IST) is UTC+5:30. Western Indonesia Time is UTC+07:00. To convert IST to WIB, add 1.5 hours to your IST time.
For example, 12:00 PM IST = 1:30 PM WIB .
Time Difference: India (IST) and Indonesia
Indian Standard Time (IST) is UTC+5:30. Western Indonesia Time is UTC+07:00, making the difference IST +1:30 hrs. India does not observe Daylight Saving Time — IST stays fixed at UTC+5:30 year-round. If Indonesia observes DST, the offset between IST and WIB changes by 1 hour during the DST period (typically spring–autumn in the Northern Hemisphere).
⏰ Best overlap: 9:00 IST = 10:30 AM WIB
Common IST Times in WIB
| India (IST) | Indonesia — WIB | Day |
|---|---|---|
| 9:00 AM IST (India morning) | 10:30 AM WIB | same day |
| 12:00 PM IST (India noon) | 1:30 PM WIB | same day |
| 3:00 PM IST (India afternoon) | 4:30 PM WIB | same day |
| 6:00 PM IST (India evening) | 7:30 PM WIB | same day |
| 9:00 PM IST (India night) | 10:30 PM WIB | same day |
Convert WIB times to Indian Standard Time: WIB to IST Converter →
India–Indonesia Work Hour Overlap
Find the best meeting windows between India (IST) and Indonesia — including shared business hours, DST shifts, and daily overlap charts.
View India–Indonesia Overlap →