ClockinSync
ClockinSync

Kolkata ↔ Seoul Time Zone Comparison

Time in Kolkata is 3 hours 30 minutes behind

Frequently Asked Questions

How much time separates Kolkata and Seoul?
There is a 3 hours 30 minutes gap between Kolkata and Seoul. Kolkata runs on Asia/Kolkata and Seoul on Asia/Seoul.
When can I schedule a call that works in both Kolkata and Seoul?
You have 4.5 hours of mutual business hours. 09:00 Kolkata / 12:00 Seoul is typically the sweet spot.
Is the current 3 hours 30 minutes gap between Kolkata and Seoul reliable?
Neither Kolkata nor Seoul has a DST transition this week. The 3 hours 30 minutes gap remains consistent.
When Kolkata reaches noon, what time is it in Seoul?
Kolkata at noon — that's 3:30 PM in Seoul at the exact same instant.
How accurate is this Kolkata to Seoul converter?
Use the interactive slider above. Drag it to any Kolkata hour and all locations update instantly. Or type "3pm" / "15:00" in the search bar.
Which upcoming holidays affect Kolkata–Seoul coordination?
Seoul observes Liberation Day on August 15. Keep this in mind when coordinating between Kolkata and Seoul.
What time zones do Kolkata and Seoul use?
Kolkata is in the Asia/Kolkata timezone. Seoul is in Asia/Seoul. The difference is 3 hours 30 minutes.
What time is a 9 AM Kolkata meeting in Seoul?
9 AM in Kolkata → 12:30 PM in Seoul. That's within standard working hours in Seoul.
5 PM in Kolkata is what time in Seoul?
5:00 PM in Kolkata = 8:30 PM in Seoul. Your Seoul contact has likely finished for the day — expect a reply next morning.
How should I prepare for the time shift traveling from Kolkata to Seoul?
Traveling from Kolkata to Seoul means you lose 3 hours 30 minutes in local time. Most people adjust within a day.
What are the UTC offsets for Kolkata and Seoul?
Both Kolkata (Asia/Kolkata) and Seoul (Asia/Seoul) have defined UTC offsets. The gap between those offsets is 3 hours 30 minutes.

KolkataSeoul

5h of business hours overlap daily (09:00–17:00)· Showing morning hours (05:00–13:00)

Kolkata
Seoul
05:00
08:30
06:00
09:30Working
07:00
10:30Working
08:00
11:30Working
09:00Working
12:30Working
10:00Working
13:30Working
11:00Working
14:30Working
12:00Working
15:30Working
13:00Working
16:30Working

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Quick time conversions: KolkataSeoul

Common reference points to help you plan across the time difference.

When Kolkata clocks show 12:00 PM, Seoul reads 3:30 PM.
If it's 5:00 PM where I am in Kolkata, what does Seoul show?8:30 PM
4:00 PMin Kolkata7:30 PMin Seoul
Setting a 8:00 AM alarm in Kolkata? That's 11:30 AM for Seoul.
6:00 PMin Kolkata9:30 PMin Seoul

Popular Kolkata time conversions

People also compare Seoul with...