Current Time in Great Falls, Montana, USA
12:33:15 PM
12:33:15
MDT (Mountain Daylight Time) · UTC−06:00
America/Denver
Time zone details
Great Falls is observing daylight saving time in 2026
Daylight in Great Falls
Location facts
Place
- Country
- USA
- State
- Montana
- County
- Cascade County
- Place type
- City or town
- Country currency
- US Dollar (USD)
Practical
- Languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 59,638
- Elevation
- 1,015 m
Geography
- Geographic coordinates
- 47° 30' N / 111° 18' W
Convert Great Falls time
Compare Great Falls with another city or time zone
Popular conversions (current offsets)
All times shown relative to Great Falls local time
Clock changes in Great Falls
2:00 AM MDT1:00 AM MST
Clocks move back 1 hour
2026
past
Daylight saving time starts
2:00 AM MST3:00 AM MDT
Clocks move forward 1 hour
upcoming
Daylight saving time ends
2:00 AM MDT1:00 AM MST
Clocks move back 1 hour
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 12 hr 47 min3 min 22 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Friday, September 11, 2026
View Great Falls on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 12 hr 47 min3 min 22 sec shorter than the previous day
- Solar noon
- (46.8° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- New Moon (0% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Thursday, September 10, 2026 at
- Next principal phase
- First Quarter — Friday, September 18, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 12 hr 47 min | 3 min 22 sec shorter than the previous day | |||
| 12 hr 44 min | 3 min 22 sec shorter than the previous day | |||
| 12 hr 40 min | 3 min 22 sec shorter than the previous day | |||
| 12 hr 37 min | 3 min 23 sec shorter than the previous day | |||
| 12 hr 33 min | 3 min 23 sec shorter than the previous day | |||
| 12 hr 30 min | 3 min 23 sec shorter than the previous day | |||
| 12 hr 27 min | 3 min 23 sec shorter than the previous day |
Weather forecast for Great Falls
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Plan around Great Falls
Time context
Great Falls follows the same clock and daylight-saving rules as Denver
Current time offsetUTC−06:00 (MDT)
View time differencesUpcoming public holidays in Montana
- Columbus Day
- Election Day
- Veterans Day
Nearby scheduled airports for Great Falls, Montana, USA
Great Falls International AirportGTFMedium airport5.7 km west-southwest
Source: OurAirports record · GTF / KGTF
About 5.7 km (3.5 mi) west-southwest of Great Falls
Scheduled airline service in source data
Helena Regional AirportHLNMedium airport · Serves Helena112 km south-southwest
Source: OurAirports record · HLN / KHLN
About 112 km (69.6 mi) south-southwest of Great Falls
Scheduled airline service in source data
Havre City County AirportHVRMedium airport · Serves Havre163 km northeast
Source: OurAirports record · HVR / KHVR
About 163 km (101 mi) northeast of Great Falls
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Great Falls in?
- Great Falls currently uses Mountain Daylight Time (MDT). Its IANA time zone is America/Denver.
- When is the next clock change in Great Falls?
- Clocks in Great Falls move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from MDT (UTC−06:00) to MST (UTC−07:00)
- Is Great Falls currently on daylight saving time?
- Great Falls is observing daylight saving time in 2026
- What is the UTC offset in Great Falls right now?
- Great Falls is currently UTC−06:00