From
GMT / BST
Time Converter
GMT to MST Time Converter
Convert GMT to Mountain Time with a live clock and clean permalinks.
To
MST / MDT
When it is 7:30 AM in GMT, it is 1:30 AM in Mountain Time.
GMT to MST at a glance
Mountain Time is 6 hours behind GMT. If someone gives you a time in GMT, move the clock by 6 hours to read it in Mountain Time. A 9:00 AM start in London becomes 3:00 AM in Denver.
What GMT covers
GMT is commonly used as the United Kingdom time reference. In summer, the UK moves to British Summer Time. It is a familiar baseline for Europe, Africa, and global remote teams.
What Mountain Time covers
Mountain Time is used across the US and Canada in cities such as Denver and Calgary. It is useful when you work with logistics, field teams, or regional teams across the western half of North America.
Quick answers
What is the time difference between GMT and MST?
Mountain Time is 6 hours behind GMT.
What happens to a 3:00 PM meeting in GMT?
It lands at 9:00 AM in MST.
Does daylight saving time matter for GMT to MST?
GMT and Mountain Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.