Cardiff Time to MST Converter
MST is 7 hours behind GMT. 9:00 AM GMT = 2:00 AM MST.
MST is 7 hours behind GMT at the moment. To convert Cardiff Time to MST, subtract 7 hours from the Cardiff Time time: 9:00 AM GMT = 2:00 AM MST.
Cardiff Time (Cardiff time) is used in Cardiff, UK. MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year.
Most of Arizona uses MST all year and does not switch to MDT.
Cardiff Time to MST time conversion table
Cardiff Time to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Cardiff Time | MST | Day |
|---|---|---|
| 12:00 AM GMT | 5:00 PM MST | previous day |
| 1:00 AM GMT | 6:00 PM MST | previous day |
| 2:00 AM GMT | 7:00 PM MST | previous day |
| 3:00 AM GMT | 8:00 PM MST | previous day |
| 4:00 AM GMT | 9:00 PM MST | previous day |
| 5:00 AM GMT | 10:00 PM MST | previous day |
| 6:00 AM GMT | 11:00 PM MST | previous day |
| 7:00 AM GMT | 12:00 AM MST | night |
| 8:00 AM GMT | 1:00 AM MST | night |
| 9:00 AM GMT | 2:00 AM MST | night |
| 10:00 AM GMT | 3:00 AM MST | night |
| 11:00 AM GMT | 4:00 AM MST | night |
| 12:00 PM GMT | 5:00 AM MST | night |
| 1:00 PM GMT | 6:00 AM MST | — |
| 2:00 PM GMT | 7:00 AM MST | — |
| 3:00 PM GMT | 8:00 AM MST | — |
| 4:00 PM GMT | 9:00 AM MST | work hours |
| 5:00 PM GMT | 10:00 AM MST | — |
| 6:00 PM GMT | 11:00 AM MST | — |
| 7:00 PM GMT | 12:00 PM MST | — |
| 8:00 PM GMT | 1:00 PM MST | — |
| 9:00 PM GMT | 2:00 PM MST | — |
| 10:00 PM GMT | 3:00 PM MST | — |
| 11:00 PM GMT | 4:00 PM MST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Cardiff Time to MST
Subtract 7 hours from the Cardiff Time time to get MST.
Example: 9:00 AM GMT = 2:00 AM MST.
Across midnight: 1:00 AM GMT = 6:00 PM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Cardiff Time and MST
The time difference between Cardiff Time and MST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 7 Mar 2026: MST is 7 hours behind of Cardiff Time.
- 8 Mar 2026 – 28 Mar 2026: MST is 6 hours behind of Cardiff Time.
- 29 Mar 2026 – 24 Oct 2026: MST is 7 hours behind of Cardiff Time.
- 25 Oct 2026 – 31 Oct 2026: MST is 6 hours behind of Cardiff Time.
- 1 Nov 2026 – 31 Dec 2026: MST is 7 hours behind of Cardiff Time.
Cardiff Time and MST during daylight saving time
- Cardiff Time next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
Best time for a meeting between Cardiff Time and MST
Cardiff Time and MST share 1 hour of the 9 AM–5 PM working day. Any time between 4:00 PM and 5:00 PM GMT lands between 9:00 AM and 10:00 AM MST, inside working hours for both.
Cardiff Time to MST FAQ
What is the time difference between Cardiff Time and MST?
Right now MST is 7 hours behind GMT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Cardiff Time in MST?
9:00 AM GMT is 2:00 AM MST.
What is 12 PM (noon) Cardiff Time in MST?
12:00 PM GMT is 5:00 AM MST.
Is MST ahead of or behind Cardiff Time?
MST is 7 hours behind GMT, so it is earlier in MST than in Cardiff Time.
Does Cardiff Time change for daylight saving time?
Yes. Cardiff Time next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
What is the best time for a meeting between Cardiff Time and MST?
Cardiff Time and MST share 1 hour of the 9 AM–5 PM working day. Any time between 4:00 PM and 5:00 PM GMT lands between 9:00 AM and 10:00 AM MST, inside working hours for both.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert MST to Cardiff Time
Convert Cardiff Time to other time zones
Convert other time zones to MST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.