Time zone converter

KST to IST

India Standard Time (IST) is 3 hours 30 minutes behind Korea Standard Time (KST) all year: 9:00 AM KST is 5:30 AM IST.

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

IST vs KST over the next 12 months

PeriodIST isExample
Oct 23, 2026 onwards3 hours 30 minutes behind9:00 AM KST = 5:30 AM IST

KST to IST conversion table

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

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

Best time for a meeting

Normal 9-to-5 working hours overlap for 4 hours 30 minutes on a weekday: 12:30 PM–5:00 PM KST, which is 9:00 AM–1:30 PM IST.

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

Daylight saving time

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

Where these clocks are used

  • Korea Standard Time (KST): Seoul, Busan. IANA zone Asia/Seoul.
  • 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 KST?

On Oct 23, 2026, 9:00 AM KST is 5:30 AM IST.

How many hours behind KST is IST?

IST is always 3 hours 30 minutes behind KST.

Do KST and IST observe daylight saving time?

Korea Standard Time stays on UTC+9 all year. India Standard Time stays on UTC+5:30 all year.

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

Normal 9-to-5 working hours overlap for 4 hours 30 minutes on a weekday: 12:30 PM–5:00 PM KST, which is 9:00 AM–1:30 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.