Time zone converter

WIB to IST

India Standard Time (IST) is 1 hour 30 minutes behind Western Indonesia Time (WIB) all year: 9:00 AM WIB is 7:30 AM IST.

Western Indonesia Time
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Current time in Western Indonesia Time
India Standard Time
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Current time in India Standard Time
Pick a date and time to convert.

IST vs WIB over the next 12 months

PeriodIST isExample
Oct 23, 2026 onwards1 hour 30 minutes behind9:00 AM WIB = 7:30 AM IST

WIB to IST conversion table

Every hour of a weekday around Oct 23, 2026, in both zones.

Western Indonesia TimeIndia Standard Time
12:00 AM10:30 PM (previous day)
1:00 AM11:30 PM (previous day)
2:00 AM12:30 AM
3:00 AM1:30 AM
4:00 AM2:30 AM
5:00 AM3:30 AM
6:00 AM4:30 AM
7:00 AM5:30 AM
8:00 AM6:30 AM
9:00 AM7:30 AM
10:00 AM8:30 AM
11:00 AM9:30 AM
12:00 PM10:30 AM
1:00 PM11:30 AM
2:00 PM12:30 PM
3:00 PM1:30 PM
4:00 PM2:30 PM
5:00 PM3:30 PM
6:00 PM4:30 PM
7:00 PM5:30 PM
8:00 PM6:30 PM
9:00 PM7:30 PM
10:00 PM8:30 PM
11:00 PM9:30 PM

Best time for a meeting

Normal 9-to-5 working hours overlap for 6 hours 30 minutes on a weekday: 10:30 AM–5:00 PM WIB, which is 9:00 AM–3:30 PM IST.

Comparing more than two places? The meeting planner lines up working hours for up to six cities.

Daylight saving time

Neither WIB nor IST changes its clocks, so the difference is the same all year.

Where these clocks are used

  • Western Indonesia Time (WIB): Jakarta, Bandung, Surabaya. IANA zone Asia/Jakarta.
  • India Standard Time (IST): all of India: Mumbai, Delhi, Bengaluru, Chennai. IANA zone Asia/Kolkata.

Questions

What time is it in IST when it is 9 AM WIB?

On Oct 23, 2026, 9:00 AM WIB is 7:30 AM IST.

How many hours behind WIB is IST?

IST is always 1 hour 30 minutes behind WIB.

Do WIB and IST observe daylight saving time?

Western Indonesia Time stays on UTC+7 all year. India Standard Time stays on UTC+5:30 all year.

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

Normal 9-to-5 working hours overlap for 6 hours 30 minutes on a weekday: 10:30 AM–5:00 PM WIB, which is 9:00 AM–3:30 PM IST.

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Related conversions

Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.