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Convert Korean Time to Samoa Time

KST · UTC+9 → SST · UTC−11

KST is 20 hours ahead of SST

Seoul · UTC+9

Tuesday, 8 September 2026

Midway · UTC-11

Monday, 7 September 2026

When are both sides at work?

0003060912151821
SeoulUTC+9 · +09:00
0003060912151821
MidwayUTC-11 · -11:00
0407101316192201

Shared working hours: 09:00–14:00 in Seoul is 13:00–18:00 in Midway.

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

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16:07 Tue 8 Sep Seoul = 20:07 Mon 7 Sep Midway

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Hour-by-hour conversion

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

About this conversion

KST here means Korean Time, represented by Seoul (Asia/Seoul), currently UTC+9. SST means Samoa Time, represented by Midway (Pacific/Midway), currently UTC−11.

KST is used by 2 zones, including South Korea. If you meant a different one, see every meaning of KST.

SST is used by 2 zones, including United States Minor Outlying Islands. See every meaning of SST.

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 Seoul; day boundaries are marked where the date differs.

Quick answers

  • 09:00 KST is 13:00 SST
  • 12:00 KST is 16:00 SST
  • 15:00 KST is 19:00 SST
  • 18:00 KST is 22:00 SST

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