Skip to content
timezoners/

Seoul is 3.5 hours ahead of Kolkata

Best overlap: 8:30 AM to 2:30 PM in Kolkata is 12:00 PM to 6:00 PM in Seoul.

Shoot for 8:30 AM to 2:30 PM in Kolkata; your Seoul colleagues will see that as 12:00 PM to 6:00 PM. This is one of the easier pairings: 6 hours of shared time means flexible, low-stress scheduling.

Local time
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
Kolkata
Asia/Kolkata
Seoul
Asia/Seoul

Frequently Asked Questions

What is the time difference between Seoul and Kolkata?
Kolkata is 3.5 hours behind Seoul.
What are the best overlapping working hours between Seoul and Kolkata?
The best time to meet is between 12:00 PM to 6:00 PM in Seoul, which corresponds to 8:30 AM to 2:30 PM in Kolkata.
How many hours overlap between Seoul and Kolkata during a typical workday?
There are about 6 overlapping hours per day.
Does Daylight Saving Time affect the time difference between Seoul and Kolkata?
Neither Seoul nor Kolkata observes Daylight Saving Time, so the time difference remains consistent year-round.

Explore Related Timezones

Other overlaps with Kolkata

Other overlaps with Seoul

Related Reading