MST to GMT converter
Mountain Time → UK Time
Loading current times…
Mountain Time (MST) is UTC−7 and observes daylight saving (MDT, UTC−6, roughly March–November). It covers Denver, Salt Lake City and Calgary.
UK Time (GMT) is UTC+0 and observes British Summer Time (BST, UTC+1, roughly March–October). It covers London, Manchester and Edinburgh.
UK Time is typically 7 hours ahead of Mountain Time, though daylight saving can shift the difference by an hour at some times of year.
Best time to call UK Time from Mountain Time
Office hours overlap for about 1 hour a day: 9:00 AM–10:00 AM in Mountain Time is 4:00 PM–5:00 PM in UK Time. Book calls inside this window and nobody is out of hours. Daylight saving can shift these times by an hour at some points in the year.
MST to GMT, hour by hour
Today's actual offsets. Rows where both zones are inside 9am–5pm working hours are highlighted.