KST to IST Time Converter
Use this KST to IST time converter to compare South Korea and India time instantly. IST is 3 hours and 30 minutes behind KST, so 9:00 AM KST becomes 5:30 AM IST and 5:00 PM KST becomes 1:30 PM IST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
KST to IST Quick Facts
Use this KST to IST converter to compare South Korea and India time, check the 3 hours and 30 minutes gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 1:00 PM KST / 9:30 AM IST.
How to Convert KST to IST
Converting between Korea Standard Time and India Standard Time means accounting for a 3 hours and 30 minutes gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Korea Standard Time (UTC +9) that you want to convert. Hit "Now" to load the current KST time instantly, or use "+1h" to step forward and compare.
The equivalent India Standard Time (UTC +5:30) time appears immediately. Since IST is 3 hours and 30 minutes behind of KST, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the IST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.
Why Choose Our KST to IST Converter
When someone in South Korea suggests 1:00 PM KST, that's 9:30 AM IST. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night KST times can land on a different date in IST because of the 3 hours and 30 minutes offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.
The half-hour offset between KST (UTC +9) and IST (UTC +5:30) already makes mental math tricky — add Daylight Saving Time and the gap can shift further. This converter uses live UTC offsets, so you're always accurate.
Product launches, sports matches, and webinars are often announced in KST. Convert the event time to IST so you know exactly when to tune in — with a 3 hours and 30 minutes difference, a morning event in South Korea falls during work hours in India.
KST to IST Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Korea Standard Time to India Standard Time full day schedule
| Korea Standard Time | India Standard Time |
|---|---|
| 12:00 AM |
8:30 PM
(previous day)
|
| 1:00 AM |
9:30 PM
(previous day)
|
| 2:00 AM |
10:30 PM
(previous day)
|
| 3:00 AM |
11:30 PM
(previous day)
|
| 4:00 AM |
12:30 AM
|
| 5:00 AM |
1:30 AM
|
| 6:00 AM |
2:30 AM
|
| 7:00 AM |
3:30 AM
|
| 8:00 AM |
4:30 AM
|
| 9:00 AM |
5:30 AM
|
| 10:00 AM |
6:30 AM
|
| 11:00 AM |
7:30 AM
|
| 12:00 PM |
8:30 AM
|
| 1:00 PM |
9:30 AM
|
| 2:00 PM |
10:30 AM
|
| 3:00 PM |
11:30 AM
|
| 4:00 PM |
12:30 PM
|
| 5:00 PM |
1:30 PM
|
| 6:00 PM |
2:30 PM
|
| 7:00 PM |
3:30 PM
|
| 8:00 PM |
4:30 PM
|
| 9:00 PM |
5:30 PM
|
| 10:00 PM |
6:30 PM
|
| 11:00 PM |
7:30 PM
|
Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.
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KST to IST FAQ
Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Korea Standard Time and India Standard Time.
What is the time difference between KST and IST?
When can KST and IST have business-hour overlap?
Does KST or IST observe daylight saving time?
How do I quickly convert KST to IST?
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