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Convert Greenwich Mean Time to Mauritius Time

GMT · UTC+1 → MUT · UTC+4

GMT is 3 hours behind MUT

London · BST

Tuesday, 8 September 2026

Port Louis · UTC+4

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
LondonBST · +01:00
0003060912151821
Port LouisUTC+4 · +04:00
0306091215182100

Shared working hours: 09:00–15:00 in London is 12:00–18:00 in Port Louis.

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

Pick a time and share it

08:05 Tue 8 Sep London = 11:05 Tue 8 Sep Port Louis

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Hour-by-hour conversion

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

About this conversion

GMT here means Greenwich Mean Time, represented by London (Europe/London), currently UTC+1. MUT means Mauritius Time, represented by Port Louis (Indian/Mauritius), currently UTC+4.

GMT is used by 22 zones, including United Kingdom. If you meant a different one, see every meaning of GMT.

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 London; day boundaries are marked where the date differs.

Quick answers

  • 09:00 GMT is 12:00 MUT
  • 12:00 GMT is 15:00 MUT
  • 15:00 GMT is 18:00 MUT
  • 18:00 GMT is 21:00 MUT

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