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Convert Tonga Time to Vostok Time

TOT · UTC+13 → VOST · UTC+5

TOT is 8 hours ahead of VOST

Nuku‘alofa · UTC+13

Tuesday, 8 September 2026

Mawson · UTC+5

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
Nuku‘alofaUTC+13 · +13:00
0003060912151821
MawsonUTC+5 · +05:00
1619220104071013

Shared working hours: 17:00–18:00 in Nuku‘alofa is 09:00–10:00 in Mawson.

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

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20:05 Tue 8 Sep Nuku‘alofa = 12:05 Tue 8 Sep Mawson

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Hour-by-hour conversion

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

About this conversion

TOT here means Tonga Time, represented by Nuku‘alofa (Pacific/Tongatapu), currently UTC+13. VOST means Vostok Time, represented by Mawson (Antarctica/Vostok), currently UTC+5.

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 Nuku‘alofa; day boundaries are marked where the date differs.

Quick answers

  • 09:00 TOT is 01:00 VOST
  • 12:00 TOT is 04:00 VOST
  • 15:00 TOT is 07:00 VOST
  • 18:00 TOT is 10:00 VOST

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