Does Mumbai observe daylight saving time?

No. Mumbai stays on IST (UTC+5:30) all year, so its clocks don't change.

Does Seoul observe daylight saving time?

No. Seoul stays on KST (UTC+9) all year, so its clocks don't change.

What time is it in Seoul when it's 9 AM in Mumbai?

12:30 PM in Seoul, on the same day.

Mumbai to Seoul Meeting Planner

Seoul is 3 hours 30 minutes ahead of Mumbai right now. Their working days overlap for 4 hours 30 minutes today.

Mumbai · India

12:13 AM

Sun, Oct 18 · IST

Seoul · South Korea

3:43 AM

Sun, Oct 18 · KST

Best Meeting Times Between Mumbai and Seoul

9:00 AM to 1:30 PM in Mumbai (12:30 PM to 5:00 PM in Seoul). That's when both cities are inside working hours, 9 AM to 5 PM, giving 4 hours 30 minutes of overlap today.

Who's meeting

2 of 4 places

MumbaiOrganizerIndia ·12:13AMnow
SeoulSouth Korea ·3:43AMnow

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Mumbai

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Mumbai time.

1:00PMBest · OptimalWorking hours in Mumbai (13:00) and Seoul (16:30).
12:30PMOption 2 · OptimalWorking hours in Mumbai (12:30) and Seoul (16:00).
12:00PMOption 3 · OptimalWorking hours in Mumbai (12:00) and Seoul (15:30).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a half hour of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
MumbaiIST
SeoulUTC+9
UTC	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Mumbai1:00 PM ISTSun, Oct 18
Seoul4:30 PM UTC+9Sun, Oct 18
UTC2026-10-18 07:30 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Mumbai and Seoul

Seoul is 3 hours 30 minutes ahead of Mumbai right now: Seoul is on KST (UTC+9) and Mumbai on IST (UTC+5:30). Neither city changes its clocks, so the gap is the same all year.

Time difference between Mumbai and Seoul over the next 12 months
From	Difference	Why
Now	Seoul 3 hours 30 minutes ahead	—

Mumbai is on India Standard Time. Seoul is on Korean Standard Time.

Frequently Asked Questions: Mumbai & Seoul Scheduling

What is the time difference between Mumbai and Seoul?: Seoul is 3 hours 30 minutes ahead of Mumbai right now: Seoul is on KST (UTC+9) and Mumbai on IST (UTC+5:30). Neither city changes its clocks, so the gap is the same all year.
What is the best time to schedule a meeting between Mumbai and Seoul?: 9:00 AM to 1:30 PM in Mumbai (12:30 PM to 5:00 PM in Seoul). That's when both cities are inside working hours, 9 AM to 5 PM, giving 4 hours 30 minutes of overlap today.
Does Mumbai observe daylight saving time?: No. Mumbai stays on IST (UTC+5:30) all year, so its clocks don't change.
Does Seoul observe daylight saving time?: No. Seoul stays on KST (UTC+9) all year, so its clocks don't change.
What time is it in Seoul when it's 9 AM in Mumbai?: 12:30 PM in Seoul, on the same day.

Or see every city pair, or plan with more places in the meeting planner.