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Convert Kosrae Time to Korean Time

KOST · UTC+11 → KST · UTC+9

KOST is 2 hours ahead of KST

Kosrae · UTC+11

Tuesday, 8 September 2026

Seoul · UTC+9

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
KosraeUTC+11 · +11:00
0003060912151821
SeoulUTC+9 · +09:00
2201040710131619

Shared working hours: 11:00–18:00 in Kosrae is 09:00–16:00 in Seoul.

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

Pick a time and share it

18:06 Tue 8 Sep Kosrae = 16:06 Tue 8 Sep Seoul

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Hour-by-hour conversion

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

About this conversion

KOST here means Kosrae Time, represented by Kosrae (Pacific/Kosrae), currently UTC+11. 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 Kosrae; day boundaries are marked where the date differs.

Quick answers

  • 09:00 KOST is 07:00 KST
  • 12:00 KOST is 10:00 KST
  • 15:00 KOST is 13:00 KST
  • 18:00 KOST is 16:00 KST

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