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Convert Indian Ocean Time to Syowa Time

IOT · UTC+6 → SYOT · UTC+3

IOT is 3 hours ahead of SYOT

Chagos · UTC+6

Tuesday, 8 September 2026

Syowa · UTC+3

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
ChagosUTC+6 · +06:00
0003060912151821
SyowaUTC+3 · +03:00
2100030609121518

Shared working hours: 12:00–18:00 in Chagos is 09:00–15:00 in Syowa.

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

Pick a time and share it

13:06 Tue 8 Sep Chagos = 10:06 Tue 8 Sep Syowa

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Hour-by-hour conversion

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

About this conversion

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

Quick answers

  • 09:00 IOT is 06:00 SYOT
  • 12:00 IOT is 09:00 SYOT
  • 15:00 IOT is 12:00 SYOT
  • 18:00 IOT is 15:00 SYOT

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