Timezone Conversion Hub
IST to KST Time Converter
KST (Korea Standard Time) is exactly 3 hours and 30 minutes ahead of IST (India Standard Time). Calculate overlapping business hours and find the best time to schedule cross-timezone calls between IST and KST.
Quick Answer: KST (Korea Standard Time) is exactly 3 hours and 30 minutes ahead of IST (India Standard Time). When it is 12:00 PM (Noon) in IST, it is 3:30 PM in KST. Optimal business overlap: 4.5 mutual working hours.
Source Timezone
UTC +5:30IST — India Standard Time
Saturday, October 10, 2026
21:51:36
IANA: Asia/KolkataDST: Fixed StandardKey Hub: India
Destination Timezone
UTC +9KST — Korea Standard Time
Sunday, October 11, 2026
01:21:36
IANA: Asia/SeoulDifferential: 3 hours 30 minutes aheadKey Hub: South Korea
Instant Direction Toggle: Need to view the inverse time difference?
Convert KST to IST insteadInteractive Multi-Zone Visual Grid
Hover or drag across the hours to align schedules, discover business overlaps, and click to schedule.
Interactive Multi–Zone Visual Grid
Hover or drag across the hours to align schedules, discover business overlaps, and click to schedule.
Find time together
Saturday, October 10, 2026
Business Hours (9am – 6pm)Shoulder HoursNight / SleepOverlap Window
Click any hour tile to select & schedule
Location & Timezone
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IST
India, Sri Lanka
• UTC +5:3009:51:36 PM
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KST
South Korea, North Korea
• UTC +901:21:36 AM
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Saturday, October 10, 2026 • Selected Hour
04:00 PMIST07:30 PMKST
Best International Meeting Overlap|09:00 AM – 09:00 PM IST (12:30 PM – 12:30 AM KST)
Quick Timezone Converter Selector
Jump to any of the 552 international timezone converter combinations in one click:
Complete 24-Hour Conversion Table: IST to KST
Hour-by-hour cross-reference table for scheduling calls, webinars, and international broadcasts.
05:30 IST
09:00 KST
06:30 IST
10:00 KST
07:30 IST
11:00 KST
08:30 IST
12:00 KST
09:30 IST
13:00 KST
10:30 IST
14:00 KST
11:30 IST
15:00 KST
12:30 IST
16:00 KST
13:30 IST
17:00 KST
14:30 IST
18:00 KST
15:30 IST
19:00 KST
16:30 IST
20:00 KST
17:30 IST
21:00 KST
18:30 IST
22:00 KST
19:30 IST
23:00 KST
20:30 IST
24:00 KST
21:30 IST
01:00 KST
22:30 IST
02:00 KST
23:30 IST
03:00 KST
24:30 IST
04:00 KST
01:30 IST
05:00 KST
02:30 IST
06:00 KST
03:30 IST
07:00 KST
04:30 IST
08:00 KST
Popular IST Converters
Popular Converters to KST
Quick Hourly Reference Table
IST to KST Hourly Conversion Chart (IST vs KST)
Instant hour-by-hour reference table for common meeting times, morning calls, and evening handoffs between IST (India Standard Time) and KST (Korea Standard Time).
| IST Time (India Standard Time) | KST Time (Korea Standard Time) |
|---|---|
| 8:00 AM IST | 11:30 AM KST |
| 9:00 AM IST | 12:30 PM KST |
| 10:00 AM IST | 1:30 PM KST |
| 11:00 AM IST | 2:30 PM KST |
| 12:00 PM IST | 3:30 PM KST |
| 1:00 PM IST | 4:30 PM KST |
| 2:00 PM IST | 5:30 PM KST |
| 3:00 PM IST | 6:30 PM KST |
| 4:00 PM IST | 7:30 PM KST |
| 5:00 PM IST | 8:30 PM KST |
| 6:00 PM IST | 9:30 PM KST |
| 7:00 PM IST | 10:30 PM KST |
| 8:00 PM IST | 11:30 PM KST |
Frequently Asked Questions: IST to KST Time Conversion
Common queries, time calculations, and scientific explanations
Google SERP Verified
KST (Korea Standard Time) is exactly 3 hours and 30 minutes ahead of IST (India Standard Time).
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