TimeToZone

IST to Jakarta Time Converter

WIB is 1 hour 30 minutes ahead of IST. 9:00 AM IST = 10:30 AM WIB.

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ISTfrom
India Standard Time
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Jakarta
Jakarta, Indonesia
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WIB is 1 hour 30 minutes ahead of IST. To convert IST to Jakarta Time, add 1 hour 30 minutes to the IST time: 9:00 AM IST = 10:30 AM WIB.

IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time). Jakarta Time (Jakarta time) is used in Jakarta, Indonesia.

IST here means India Standard Time, not Irish or Israel Standard Time.

IST to Jakarta Time time conversion table

IST to Jakarta Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

ISTJakarta TimeDay
12:00 AM IST1:30 AM WIBnight
1:00 AM IST2:30 AM WIBnight
2:00 AM IST3:30 AM WIBnight
3:00 AM IST4:30 AM WIBnight
4:00 AM IST5:30 AM WIBnight
5:00 AM IST6:30 AM WIB—
6:00 AM IST7:30 AM WIB—
7:00 AM IST8:30 AM WIB—
8:00 AM IST9:30 AM WIB—
9:00 AM IST10:30 AM WIBwork hours
10:00 AM IST11:30 AM WIBwork hours
11:00 AM IST12:30 PM WIBwork hours
12:00 PM IST1:30 PM WIBwork hours
1:00 PM IST2:30 PM WIBwork hours
2:00 PM IST3:30 PM WIBwork hours
3:00 PM IST4:30 PM WIBwork hours
4:00 PM IST5:30 PM WIB—
5:00 PM IST6:30 PM WIB—
6:00 PM IST7:30 PM WIB—
7:00 PM IST8:30 PM WIB—
8:00 PM IST9:30 PM WIB—
9:00 PM IST10:30 PM WIBnight
10:00 PM IST11:30 PM WIBnight
11:00 PM IST12:30 AM WIBnext day
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert IST to Jakarta Time

Add 1 hour 30 minutes to the IST time to get Jakarta Time.

Example: 9:00 AM IST = 10:30 AM WIB.

Across midnight: 11:00 PM IST = 12:30 AM WIB (next day). The date changes, so always check the day as well as the hour.

Time difference between IST and Jakarta Time

The time difference between IST and Jakarta Time is 1 hour 30 minutes all year – WIB is ahead of IST.

IST and Jakarta Time during daylight saving time

  • IST does not observe daylight saving time; it stays on UTC+5:30 all year.
  • Jakarta Time does not observe daylight saving time; it stays on UTC+7 all year.

Best time for a meeting between IST and Jakarta Time

IST and Jakarta Time share 6 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:30 PM IST lands between 10:30 AM and 5:00 PM WIB, inside working hours for both.

Plan a meeting across more time zones.

IST to Jakarta Time FAQ

What is the time difference between IST and Jakarta Time?

WIB is 1 hour 30 minutes ahead of IST all year. 9:00 AM IST = 10:30 AM WIB.

What is 9 AM IST in Jakarta Time?

9:00 AM IST is 10:30 AM WIB.

What is 12 PM (noon) IST in Jakarta Time?

12:00 PM IST is 1:30 PM WIB.

Is Jakarta Time ahead of or behind IST?

WIB is 1 hour 30 minutes ahead of IST, so it is later in Jakarta Time than in IST.

Does IST change for daylight saving time?

No. IST stays on the same offset all year, so conversions never shift for daylight saving time.

Does Jakarta Time change for daylight saving time?

No. Jakarta Time stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between IST and Jakarta Time?

IST and Jakarta Time share 6 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:30 PM IST lands between 10:30 AM and 5:00 PM WIB, inside working hours for both.

Related conversions

Convert Jakarta Time to IST

Convert IST to other time zones

Convert other time zones to Jakarta Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.