Great Falls to Phoenix Time Converter
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Quick answers
Selected conversion
6:00 am06:00 MDT (UTC-6), Oct 26, 2026 = 5:00 am05:00 MST (UTC-7), Oct 26, 2026
Great Falls is 1 hour ahead of Phoenix.
How the time difference changes
For most of the year, Great Falls is 1 hour ahead of Phoenix. From Nov 1, 2026 to Mar 14, 2027, Great Falls and Phoenix have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in Great Falls correspond to 8:00 am to 5:00 pm in Phoenix. At other times of the year, working hours of 9:00 am to 6:00 pm in Great Falls correspond to 9:00 am to 6:00 pm in Phoenix.For most of the year, working hours of 09:00 to 18:00 in Great Falls correspond to 08:00 to 17:00 in Phoenix. At other times of the year, working hours of 09:00 to 18:00 in Great Falls correspond to 09:00 to 18:00 in Phoenix.
Compare Great Falls time with Phoenix time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
MDT (Mountain Daylight Time) is 1 hour ahead of MST (Mountain Standard Time).
6:00 am06:00 in Great Falls, MT, USA is 5:00 am05:00 in Phoenix, AZ, USA
Great Falls to Phoenix call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Great Falls which corresponds to 9am-5pm09:00-17:00 in Phoenix
6:00 am06:00 MDT (Mountain Daylight Time) (Great Falls, MT, USA). Offset UTC -6:00 hours
5:00 am05:00 MST (Mountain Standard Time) (Phoenix, AZ, USA). Offset UTC -7:00 hours
6:00 am06:00 Great Falls, MT, USA / 5:00 am05:00 Phoenix, AZ, USA
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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Great Falls Time Zone and Facts
Time Zone
MST – Mountain Standard Time, UTC-7 (standard time)