Indonesia Time to IST Converter
IST is 1 hour 30 minutes behind WIB. 9:00 AM WIB = 7:30 AM IST.
IST is 1 hour 30 minutes behind WIB. To convert Indonesia Time to IST, subtract 1 hour 30 minutes from the Indonesia Time time: 9:00 AM WIB = 7:30 AM IST.
Indonesia Time (Indonesia time) is used in Indonesia. IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time).
IST here means India Standard Time, not Irish or Israel Standard Time.
Indonesia Time to IST time conversion table
Indonesia Time to IST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Indonesia Time | IST | Day |
|---|---|---|
| 12:00 AM WIB | 10:30 PM IST | previous day |
| 1:00 AM WIB | 11:30 PM IST | previous day |
| 2:00 AM WIB | 12:30 AM IST | night |
| 3:00 AM WIB | 1:30 AM IST | night |
| 4:00 AM WIB | 2:30 AM IST | night |
| 5:00 AM WIB | 3:30 AM IST | night |
| 6:00 AM WIB | 4:30 AM IST | night |
| 7:00 AM WIB | 5:30 AM IST | night |
| 8:00 AM WIB | 6:30 AM IST | — |
| 9:00 AM WIB | 7:30 AM IST | — |
| 10:00 AM WIB | 8:30 AM IST | — |
| 11:00 AM WIB | 9:30 AM IST | work hours |
| 12:00 PM WIB | 10:30 AM IST | work hours |
| 1:00 PM WIB | 11:30 AM IST | work hours |
| 2:00 PM WIB | 12:30 PM IST | work hours |
| 3:00 PM WIB | 1:30 PM IST | work hours |
| 4:00 PM WIB | 2:30 PM IST | work hours |
| 5:00 PM WIB | 3:30 PM IST | — |
| 6:00 PM WIB | 4:30 PM IST | — |
| 7:00 PM WIB | 5:30 PM IST | — |
| 8:00 PM WIB | 6:30 PM IST | — |
| 9:00 PM WIB | 7:30 PM IST | — |
| 10:00 PM WIB | 8:30 PM IST | — |
| 11:00 PM WIB | 9:30 PM IST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Indonesia Time to IST
Subtract 1 hour 30 minutes from the Indonesia Time time to get IST.
Example: 9:00 AM WIB = 7:30 AM IST.
Across midnight: 1:00 AM WIB = 11:30 PM IST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Indonesia Time and IST
The time difference between Indonesia Time and IST is 1 hour 30 minutes all year – IST is behind WIB.
Indonesia Time and IST during daylight saving time
- Indonesia Time does not observe daylight saving time; it stays on UTC+7 all year.
- IST does not observe daylight saving time; it stays on UTC+5:30 all year.
Best time for a meeting between Indonesia Time and IST
Indonesia Time and IST share 6 hours 30 minutes of the 9 AM–5 PM working day. Any time between 10:30 AM and 5:00 PM WIB lands between 9:00 AM and 3:30 PM IST, inside working hours for both.
Indonesia Time to IST FAQ
What is the time difference between Indonesia Time and IST?
IST is 1 hour 30 minutes behind WIB all year. 9:00 AM WIB = 7:30 AM IST.
What is 9 AM Indonesia Time in IST?
9:00 AM WIB is 7:30 AM IST.
What is 12 PM (noon) Indonesia Time in IST?
12:00 PM WIB is 10:30 AM IST.
Is IST ahead of or behind Indonesia Time?
IST is 1 hour 30 minutes behind WIB, so it is earlier in IST than in Indonesia Time.
Does Indonesia Time change for daylight saving time?
No. Indonesia Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does IST change for daylight saving time?
No. IST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Indonesia Time and IST?
Indonesia Time and IST share 6 hours 30 minutes of the 9 AM–5 PM working day. Any time between 10:30 AM and 5:00 PM WIB lands between 9:00 AM and 3:30 PM IST, inside working hours for both.
Related conversions
Convert IST to Indonesia Time
Convert Indonesia Time to other time zones
Convert other time zones to IST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.