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Convert Irkutsk Time to Vostok Time

IRKT · UTC+8 → VOST · UTC+5

IRKT is 3 hours ahead of VOST

Irkutsk · UTC+8

Tuesday, 8 September 2026

Mawson · UTC+5

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
IrkutskUTC+8 · +08:00
0003060912151821
MawsonUTC+5 · +05:00
2100030609121518

Shared working hours: 12:00–18:00 in Irkutsk is 09:00–15:00 in Mawson.

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

Pick a time and share it

15:06 Tue 8 Sep Irkutsk = 12:06 Tue 8 Sep Mawson

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Hour-by-hour conversion

Irkutsk (IRKT)Mawson (VOST)
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
13:0010:00Both at work
14:0011:00Both at work
15:0012:00Now
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

IRKT here means Irkutsk Time, represented by Irkutsk (Asia/Irkutsk), currently UTC+8. 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 Irkutsk; day boundaries are marked where the date differs.

Quick answers

  • 09:00 IRKT is 06:00 VOST
  • 12:00 IRKT is 09:00 VOST
  • 15:00 IRKT is 12:00 VOST
  • 18:00 IRKT is 15:00 VOST

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