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Convert Réunion Time to Tonga Time

RET · UTC+4 → TOT · UTC+13

RET is 9 hours behind TOT

Saint-Denis · UTC+4

Tuesday, 8 September 2026

Nuku‘alofa · UTC+13

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
Saint-DenisUTC+4 · +04:00
0003060912151821
Nuku‘alofaUTC+13 · +13:00
0912151821000306

No overlap in standard working hours. Closest workable window: 07:00–14:00 in Saint-Denis, which is 16:00–23:00 in Nuku‘alofa.

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

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11:04 Tue 8 Sep Saint-Denis = 20:04 Tue 8 Sep Nuku‘alofa

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Hour-by-hour conversion

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

About this conversion

RET here means Réunion Time, represented by Saint-Denis (Indian/Reunion), currently UTC+4. 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 Saint-Denis; day boundaries are marked where the date differs.

Quick answers

  • 09:00 RET is 18:00 TOT
  • 12:00 RET is 21:00 TOT
  • 15:00 RET is 00:00 TOT
  • 18:00 RET is 03:00 TOT

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