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Convert Kosrae Time to Marquesas Time

KOST · UTC+11 → MART · UTC−9:30

KOST is 20 hours 30 minutes ahead of MART

Kosrae · UTC+11

Tuesday, 8 September 2026

Marquesas · UTC-9:30

Monday, 7 September 2026

When are both sides at work?

0003060912151821
KosraeUTC+11 · +11:00
0003060912151821
MarquesasUTC-9:30 · -09:30
0306091215182100

Shared working hours: 09:00–14:30 in Kosrae is 12:30–18:00 in Marquesas.

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

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18:06 Tue 8 Sep Kosrae = 21:36 Mon 7 Sep Marquesas

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Hour-by-hour conversion

Kosrae (KOST)Marquesas (MART)
00:0003:30prev. day
01:0004:30prev. day
02:0005:30prev. day
03:0006:30prev. day
04:0007:30prev. day
05:0008:30prev. day
06:0009:30prev. day
07:0010:30prev. day
08:0011:30prev. day
09:0012:30prev. dayBoth at work
10:0013:30prev. dayBoth at work
11:0014:30prev. dayBoth at work
12:0015:30prev. dayBoth at work
13:0016:30prev. dayBoth at work
14:0017:30prev. dayBoth at work
15:0018:30prev. day
16:0019:30prev. day
17:0020:30prev. day
18:0021:30prev. dayNow
19:0022:30prev. day
20:0023:30prev. day
21:0000:30
22:0001:30
23:0002:30

About this conversion

KOST here means Kosrae Time, represented by Kosrae (Pacific/Kosrae), currently UTC+11. MART means Marquesas Time, represented by Marquesas (Pacific/Marquesas), currently UTC−9:30.

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 12:30 MART
  • 12:00 KOST is 15:30 MART
  • 15:00 KOST is 18:30 MART
  • 18:00 KOST is 21:30 MART

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