Great Falls time zone
Time zone14 Mar 2027 - clocks go forward 1 h to MDT (UTC-6) - in 124 days
Green shows daylight saving time. Dark marker: today.
United States has 8 distinct time zone rule groups. Great Falls uses Mountain Standard Time.
- EST · UTC-5New York, Pennsylvania, Florida, Ohio, North Carolina and moreUses daylight saving time
- CST · UTC-6Illinois, Texas, Tennessee, Oklahoma, Wisconsin and moreUses daylight saving time
- MST · UTC-7Colorado, Texas, New Mexico, Idaho, Utah and moreUses daylight saving time
- MST · UTC-7ArizonaNo daylight saving time
- PST · UTC-8California, Washington, Oregon, Nevada, IdahoUses daylight saving time
- UTC-9 · UTC-9AlaskaUses daylight saving time
- UTC-10 · UTC-10America/AdakUses daylight saving time
- UTC-10 · UTC-10HawaiiNo daylight saving time
Zones with matching offsets and clock changes over the next year are grouped together.
Time difference from Great Falls
Time differenceSun in Great Falls today
Daylight9h 32m today - 6h 26m less than the longest day and 1h 6m more than the shortest day.
Calculated from coordinates; sunrise and sunset are approximate.
About Great Falls
City facts- ⌖Region
- Montana
- ◉Population
- 59,638
- ☎Dialing code
- ¤Currency
- USD · Dollar
Public holidays in Montana
HolidaysVeterans Day
Wednesday · in 1 days
NationalThanksgiving Day
Thursday · in 16 days
NationalChristmas Eve
Thursday · in 44 days
MTChristmas Day
Friday · in 45 days
Nationallong weekendNew Year’s Eve
Thursday · in 51 days
MT
Same time zone rules
Matching offsets and clock changes over the next year.
Same UTC offset right now
Tucsonmatches until 14 Mar 2027 Mesamatches until 14 Mar 2027 Tepicmatches until 14 Mar 2027
Spokane460 km · 1 h behind - different daylight saving rules Seattle827 km · 1 h behind - different daylight saving rules Winnipeg1070 km · 1 h ahead - different daylight saving rules
Common questions
Quick answers- 01What time zone is Great Falls in?
- Great Falls uses America/Denver: MST (UTC-7).
- 02Does Great Falls have daylight saving time?
- 14 Mar 2027 - clocks go forward 1 h to MDT (UTC-6) - in 124 days
- 03What is the time difference between Great Falls and London?
- Great Falls is 7 h behind relative to London right now.
- 04What is a good time to call Great Falls from New York?
- A shared working-hours option: 16:00-17:00 in New York = 14:00-15:00 in Great Falls.
Time zones: IANA via Intl. Holidays: date-holidays. Sun calculations: SunCalc. City data: GeoNames. Airport data: OurAirports.
