TimeZone HeroGMT to MST
Convert London Time — GMT/BST to Arizona Time — Phoenix (no DST) — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in London, it's 2:00 AM in Phoenix. Phoenix is 7 hours behind London. Use the converter above to turn any GMT time into MST, or scan the hour-by-hour table below for the full day.
GMT to MST at a glance
Planning a meeting between London and Phoenix
Planning a call between London and Phoenix? The best overlap during a standard 9-to-5 workday runs 4:00 PM–5:00 PM GMT (9:00 AM–10:00 AM MST). Aim for that window to reach both sides during business hours.
Hour-by-hour: London to Phoenix
A full day mapped from GMT to MST.
Frequently asked
Is Phoenix ahead of or behind London?
Phoenix is 7 hours behind London.
What is 12:00 PM GMT in MST?
12:00 PM in London is 5:00 AM in Phoenix.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so GMT and MST automatically reflect the correct daylight-saving offset for the current date.