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Convert Réunion Time to Vostok Time

RET · UTC+4 → VOST · UTC+5

RET is 1 hour behind VOST

Saint-Denis · UTC+4

Tuesday, 8 September 2026

Mawson · UTC+5

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
Saint-DenisUTC+4 · +04:00
0003060912151821
MawsonUTC+5 · +05:00
0104071013161922

Shared working hours: 09:00–17:00 in Saint-Denis is 10:00–18:00 in Mawson.

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

Pick a time and share it

11:04 Tue 8 Sep Saint-Denis = 12:04 Tue 8 Sep Mawson

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Hour-by-hour conversion

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

About this conversion

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

Quick answers

  • 09:00 RET is 10:00 VOST
  • 12:00 RET is 13:00 VOST
  • 15:00 RET is 16:00 VOST
  • 18:00 RET is 19:00 VOST

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