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Convert Indian Ocean Time to Korean Time

IOT · UTC+6 → KST · UTC+9

IOT is 3 hours behind KST

Chagos · UTC+6

Tuesday, 8 September 2026

Seoul · UTC+9

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
ChagosUTC+6 · +06:00
0003060912151821
SeoulUTC+9 · +09:00
0306091215182100

Shared working hours: 09:00–15:00 in Chagos is 12:00–18:00 in Seoul.

Working (09–18) Awake, off the clock Asleep (23–07)

Pick a time and share it

13:06 Tue 8 Sep Chagos = 16:06 Tue 8 Sep Seoul

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Hour-by-hour conversion

Chagos (IOT)Seoul (KST)
00:0003:00
01:0004:00
02:0005:00
03:0006:00
04:0007:00
05:0008:00
06:0009:00
07:0010:00
08:0011:00
09:0012:00Both at work
10:0013:00Both at work
11:0014:00Both at work
12:0015:00Both at work
13:0016:00Now
14:0017:00Both at work
15:0018:00
16:0019:00
17:0020:00
18:0021:00
19:0022:00
20:0023:00
21:0000:00next day
22:0001:00next day
23:0002:00next day

About this conversion

IOT here means Indian Ocean Time, represented by Chagos (Indian/Chagos), currently UTC+6. KST means Korean Time, represented by Seoul (Asia/Seoul), currently UTC+9.

KST is used by 2 zones, including South Korea. See every meaning of KST.

Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Chagos; day boundaries are marked where the date differs.

Quick answers

  • 09:00 IOT is 12:00 KST
  • 12:00 IOT is 15:00 KST
  • 15:00 IOT is 18:00 KST
  • 18:00 IOT is 21:00 KST

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