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Convert Indian Ocean Time to Tonga Time

IOT · UTC+6 → TOT · UTC+13

IOT is 7 hours behind TOT

Chagos · UTC+6

Tuesday, 8 September 2026

Nuku‘alofa · UTC+13

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
ChagosUTC+6 · +06:00
0003060912151821
Nuku‘alofaUTC+13 · +13:00
0710131619220104

Shared working hours: 09:00–11:00 in Chagos is 16:00–18:00 in Nuku‘alofa.

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

Pick a time and share it

13:06 Tue 8 Sep Chagos = 20:06 Tue 8 Sep Nuku‘alofa

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Hour-by-hour conversion

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

About this conversion

IOT here means Indian Ocean Time, represented by Chagos (Indian/Chagos), currently UTC+6. TOT means Tonga Time, represented by Nuku‘alofa (Pacific/Tongatapu), currently UTC+13.

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 16:00 TOT
  • 12:00 IOT is 19:00 TOT
  • 15:00 IOT is 22:00 TOT
  • 18:00 IOT is 01:00 TOT

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