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Global ClockTime zone converter & meeting planner
SETTINGS
Clock
Working hours
Start
09
End
18
Theme

AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Mumbai vs Jeju City

Mumbai keeps IST (UTC+5:30) and Jeju City keeps KST (UTC+9) today. Jeju City is 3½ hours ahead of Mumbai; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 13:00–18:00 in Jeju City (09:00–14:00 your time).

Mumbai and Jeju City hour by hour, with the working-hour overlap shaded
City00:00 in Mumbai01:00 in Mumbai02:00 in Mumbai03:00 in Mumbai04:00 in Mumbai05:00 in Mumbai06:00 in Mumbai07:00 in Mumbai08:00 in Mumbai09:00 in Mumbai10:00 in Mumbai11:00 in Mumbai12:00 in Mumbai13:00 in Mumbai14:00 in Mumbai15:00 in Mumbai16:00 in Mumbai17:00 in Mumbai18:00 in Mumbai19:00 in Mumbai20:00 in Mumbai21:00 in Mumbai22:00 in Mumbai23:00 in Mumbai
Mumbai——000102030405060708091011121314151617181920212223
Jeju City——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Mumbai and Jeju City

Best hours to call

09:00 in Mumbai
Inside working hours on both sides
13:00 in Jeju City
10:00 in Mumbai
Inside working hours on both sides
14:00 in Jeju City
11:00 in Mumbai
Inside working hours on both sides
15:00 in Jeju City
12:00 in Mumbai
Inside working hours on both sides
16:00 in Jeju City

Where daylight saving pulls them apart

Neither Mumbai nor Jeju City changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Jeju City of Mumbai?

Jeju City is 3½ hours ahead of Mumbai right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Mumbai and Jeju City?

Any hour in 09:00–14:00 Mumbai time is inside working hours in both cities.

Do Mumbai and Jeju City change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.