BST to MST Time Converter

Convert British Summer Time (BST) to Mountain Standard Time (MST). Both time zones are shown live below; current offset between them is 7 hours behind.

London · British Summer Time
01:26:10
Wednesday, May 6, 2026
GMT+1 · UTC+01:00
Denver · Mountain Standard Time
18:26:10
Tuesday, May 5, 2026
MDT · UTC-06:00

Convert a specific time

From: BST (London)
To: MST (Denver)
--:--

Daylight Saving status right now

BST (British Summer Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-10-25
Offset shift
UTC+01:00 → UTC+00:00
MST (Mountain Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-06:00 → UTC-07:00

When can BST and MST meet?

1 hour of overlap during standard 9am-5pm working hours.
Best meeting window: 16:00–16:00 BST (09:00–09:00 MST).

Hour-by-hour BST to MST conversion table

BST time (London)MST time (Denver)Status
00:00 Wed17:00 TueOff-hours both sides
01:00 Wed18:00 TueOff-hours both sides
02:00 Wed19:00 TueOff-hours both sides
03:00 Wed20:00 TueOff-hours both sides
04:00 Wed21:00 TueOff-hours both sides
05:00 Wed22:00 TueOff-hours both sides
06:00 Wed23:00 TueOff-hours both sides
07:00 Wed00:00 WedOff-hours both sides
08:00 Wed01:00 WedOff-hours both sides
09:00 Wed02:00 WedBST working
10:00 Wed03:00 WedBST working
11:00 Wed04:00 WedBST working
12:00 Wed05:00 WedBST working
13:00 Wed06:00 WedBST working
14:00 Wed07:00 WedBST working
15:00 Wed08:00 WedBST working
16:00 Wed09:00 WedBoth at work
17:00 Wed10:00 WedMST working
18:00 Wed11:00 WedMST working
19:00 Wed12:00 WedMST working
20:00 Wed13:00 WedMST working
21:00 Wed14:00 WedMST working
22:00 Wed15:00 WedMST working
23:00 Wed16:00 WedMST working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

British Summer Time (BST)
IANA identifier
Europe/London
Current UTC offset
UTC+01:00
Current abbreviation
GMT+1
Major cities in this zone
LondonManchesterEdinburghBirmingham
Mountain Standard Time (MST)
IANA identifier
America/Denver
Current UTC offset
UTC-06:00
Current abbreviation
MDT
Major cities in this zone
DenverPhoenixSalt Lake CityAlbuquerque

Sun today in London and Denver

London
Sunrise
05:24
Sunset
20:31
Solar noon
12:58
Daylight
15h 6m
Denver
Sunrise
05:56
Sunset
19:58
Solar noon
12:57
Daylight
14h 1m

Related converters

MST to BST (reverse)BST to ESTBST to PSTBST to GMTBST to UTCBST to CETEST to MSTPST to MSTGMT to MSTUTC to MSTCET to MST
Looking for local time? See time in London or time in Denver.

Frequently asked questions

What is the time difference between BST and MST right now?+
MST (Mountain Standard Time) is currently 7 hours behind BST (British Summer Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does BST or MST observe daylight saving time?+
BST: observes daylight saving time. MST: observes daylight saving time.
When is the best time to schedule a meeting between BST and MST?+
The strongest overlap is 16:00–16:00 BST (09:00–09:00 MST), giving 1 hour when both sides are within standard 9am-5pm working hours.
What time is it in Denver when it is 12:00 noon in London?+
When it is 12:00 Wed in London (BST), it is 05:00 Wed in Denver (MST).
Which IANA time zone identifiers are used for BST and MST?+
BST maps to "Europe/London" in the IANA database. MST maps to "America/Denver". These identifiers are what most software libraries use to convert times accurately, including DST handling.