BST to MUT Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
1:00 pm13:00 BST (UTC+1), Oct 18, 2026 = 4:00 pm16:00 MUT (UTC+4), Oct 18, 2026
BST is 3 hours behind MUT.
BST and MUT examples
These examples always use BST (UTC+1) and MUT (UTC+4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
BST is 3 hours behind MUT.
How the time difference changes
For most of the year, BST is 3 hours behind MUT. From Oct 25, 2026 to Mar 28, 2027, GMT is 4 hours behind MUT.
For most of the year, working hours of 9:00 am to 6:00 pm in BST correspond to 12:00 pm to 9:00 pm in MUT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 1:00 pm to 10:00 pm in MUT.For most of the year, working hours of 09:00 to 18:00 in BST correspond to 12:00 to 21:00 in MUT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 13:00 to 22:00 in MUT.
Compare BST time with MUT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
British Summer Time is 3 hours behind Mauritius Time.
1:00 pm13:00 in BST is 4:00 pm16:00 in MUT
BST to MUT call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in BST which corresponds to 12pm-6pm12:00-18:00 in MUT
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
4:00 pm16:00 Mauritius Time (MUT). Offset UTC +4:00 hours
1:00 pm13:00 BST / 4:00 pm16:00 MUT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| BST | MUT |
|---|---|
| 3:00am | |
| 4:00am | |
| 5:00am | |
| 6:00am | |
| 7:00am | |
| 8:00am | |
| 9:00am | |
| 10:00am | |
| 11:00am | |
| 12:00pm | |
| 1:00pm | |
| 2:00pm | |
| 3:00pm | |
| 4:00pm | |
| 5:00pm | |
| 6:00pm | |
| 7:00pm | |
| 8:00pm | |
| 9:00pm | |
| 10:00pm | |
| 11:00pm | |
| 12:00am next day | |
| 1:00am next day | |
| 2:00am next day | |
| 03:00 | |
| 04:00 | |
| 05:00 | |
| 06:00 | |
| 07:00 | |
| 08:00 | |
| 09:00 | |
| 10:00 | |
| 11:00 | |
| 12:00 | |
| 13:00 | |
| 14:00 | |
| 15:00 | |
| 16:00 | |
| 17:00 | |
| 18:00 | |
| 19:00 | |
| 20:00 | |
| 21:00 | |
| 22:00 | |
| 23:00 | |
| 00:00 next day | |
| 01:00 next day | |
| 02:00 next day |
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
Current time in the United Kingdom: UK time now
Today all shaded areas are on BST.
Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.
End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
See United Kingdom daylight saving time and upcoming clock changes worldwide.
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Mauritius Time
Offset: MUT is 4 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Mauritius
Principal Cities: The largest city in the MUT time zone is Port Louis in Mauritius, with about 155,226 people. Other major cities in this time zone include Vacoas, Beau Bassin-Rose Hill, Curepipe, Quatre Bornes.
Daylight Saving: Clocks in Mauritius Time (MUT) do not change for daylight saving time, so MUT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
MUT representations, usage and related time zones
- +04 - basic short
- +0400 - basic
- +04:00 - extended
- +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the east of the zero meridian.
- Delta - Military abbreviation for MUT
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time