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Convert Indian Ocean Time to Ulaanbaatar Time

IOT · UTC+6 → ULAT · UTC+8

IOT is 2 hours behind ULAT

Chagos · UTC+6

Tuesday, 8 September 2026

Ulan Bator · UTC+8

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
ChagosUTC+6 · +06:00
0003060912151821
Ulan BatorUTC+8 · +08:00
0205081114172023

Shared working hours: 09:00–16:00 in Chagos is 11:00–18:00 in Ulan Bator.

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

Pick a time and share it

13:06 Tue 8 Sep Chagos = 15:06 Tue 8 Sep Ulan Bator

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Hour-by-hour conversion

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

About this conversion

IOT here means Indian Ocean Time, represented by Chagos (Indian/Chagos), currently UTC+6. 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 Chagos; day boundaries are marked where the date differs.

Quick answers

  • 09:00 IOT is 11:00 ULAT
  • 12:00 IOT is 14:00 ULAT
  • 15:00 IOT is 17:00 ULAT
  • 18:00 IOT is 20:00 ULAT

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