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Convert Marquesas Time to Ulaanbaatar Time

MART · UTC−9:30 → ULAT · UTC+8

MART is 17 hours 30 minutes behind ULAT

Marquesas · UTC-9:30

Monday, 7 September 2026

Ulan Bator · UTC+8

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
MarquesasUTC-9:30 · -09:30
0003060912151821
Ulan BatorUTC+8 · +08:00
1720230205081114

Shared working hours: 15:30–18:00 in Marquesas is 09:00–11:30 in Ulan Bator.

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

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21:37 Mon 7 Sep Marquesas = 15:07 Tue 8 Sep Ulan Bator

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Hour-by-hour conversion

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

About this conversion

MART here means Marquesas Time, represented by Marquesas (Pacific/Marquesas), currently UTC−9:30. ULAT means Ulaanbaatar Time, represented by Ulan Bator (Asia/Ulaanbaatar), currently UTC+8.

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 Marquesas; day boundaries are marked where the date differs.

Quick answers

  • 09:00 MART is 02:30 ULAT
  • 12:00 MART is 05:30 ULAT
  • 15:00 MART is 08:30 ULAT
  • 18:00 MART is 11:30 ULAT

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