Current Time in Great Falls, Montana, USA
1:45:45 PM
13:45:45
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
- Country 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
Great Falls follows the same clock and daylight-saving rules as Denver
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
- 10 hr 20 min3 min 12 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Sunday, October 25, 2026
View Great Falls on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 10 hr 20 min3 min 12 sec shorter than the previous day
- Solar noon
- (30.2° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Full Moon (100% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- First Quarter — Sunday, October 18, 2026 at
- Next principal phase
- Full Moon — Sunday, October 25, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 10 hr 20 min | 3 min 12 sec shorter than the previous day | |||
| 10 hr 16 min | 3 min 11 sec shorter than the previous day | |||
| 10 hr 13 min | 3 min 10 sec shorter than the previous day | |||
| 10 hr 10 min | 3 min 9 sec shorter than the previous day | |||
| 10 hr 07 min | 3 min 7 sec shorter than the previous day | |||
| 10 hr 04 min | 3 min 7 sec shorter than the previous day | |||
| 10 hr 01 min | 3 min 5 sec shorter than the previous day |
Weather forecast for Great Falls
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Plan around Great Falls
Upcoming public holidays in Montana
- Election Day
- Veterans Day
- Thanksgiving 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 uses Mountain Standard Time (MST, UTC−7) in winter and Mountain Daylight Time (MDT, UTC−6) in summer. 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)
- Does Great Falls observe daylight saving time?
- Yes. Great Falls observes daylight saving time: MDT (UTC−6) in summer and MST (UTC−7) in winter.
- What is the UTC offset of Great Falls?
- Great Falls is UTC−7 in winter and UTC−6 in summer