Convert Time: Seoul to Kolkata
Seoul is 3.5 hours behind Kolkata. Convert any time between these two cities instantly.
Quick conversion table
| When it's Seoul time | It's also Kolkata time |
|---|---|
| 00:00 | 20.5:00 |
| 02:00 | 22.5:00 |
| 04:00 | 0.5:00 |
| 06:00 | 2.5:00 |
| 08:00 | 4.5:00 |
| 09:00 | 5.5:00 |
| 10:00 | 6.5:00 |
| 12:00 | 8.5:00 |
| 14:00 | 10.5:00 |
| 16:00 | 12.5:00 |
| 18:00 | 14.5:00 |
| 20:00 | 16.5:00 |
| 22:00 | 18.5:00 |
Times shown for standard time. During daylight saving transitions the offset may temporarily differ by ±1 hour.
Best times to convert between Seoul and Kolkata
Whether you're scheduling a call, planning travel, or coordinating a remote meeting between Seoul (South Korea) and Kolkata (India), the core conversion rule is simple: Seoul is 3.5 hours behind Kolkata. So when it's 12:00 in Seoul, it is 8.5:00 in Kolkata.
Practical overlap
The 3.5-hour offset between Seoul and Kolkata means only a partial overlap in standard 9-to-5 working hours. Aim for late morning in Seoul or late afternoon in Kolkata to find a window that works for both.
Common conversion questions
If it's 9:00 AM in Seoul, what time is it in Kolkata?
9:00 AM in Seoul is 5.5:00 in Kolkata (behind).
What about 5:00 PM in Seoul?
5:00 PM in Seoul is 13.5:00 in Kolkata.
What about midnight in Seoul?
Midnight in Seoul is 20.5:00 in Kolkata. This is often the trickiest conversion for late-night calls.
See the exact time conversion in our interactive Time Difference tool
Live clocks for both cities, business-hour overlap visualization, and shareable meeting links.
Open Full Converter