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Convert Kosrae Time to Syowa Time

KOST · UTC+11 → SYOT · UTC+3

KOST is 8 hours ahead of SYOT

Kosrae · UTC+11

Tuesday, 8 September 2026

Syowa · UTC+3

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
KosraeUTC+11 · +11:00
0003060912151821
SyowaUTC+3 · +03:00
1619220104071013

Shared working hours: 17:00–18:00 in Kosrae is 09:00–10:00 in Syowa.

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

Pick a time and share it

18:07 Tue 8 Sep Kosrae = 10:07 Tue 8 Sep Syowa

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Hour-by-hour conversion

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

About this conversion

KOST here means Kosrae Time, represented by Kosrae (Pacific/Kosrae), currently UTC+11. SYOT means Syowa Time, represented by Syowa (Antarctica/Syowa), currently UTC+3.

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 01:00 SYOT
  • 12:00 KOST is 04:00 SYOT
  • 15:00 KOST is 07:00 SYOT
  • 18:00 KOST is 10:00 SYOT

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