Current Time in Thornton, Colorado, USA
12:19:45 PM
12:19:45
MDT (Mountain Daylight Time) · UTC−06:00
America/Denver
Time zone details
Thornton is observing daylight saving time in 2026
Daylight in Thornton
Location facts
Place
- Country
- USA
- State
- Colorado
- County
- Adams County
- Place type
- Populated place
- Country currency
- US Dollar (USD)
Practical
- Country languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 133,451
- Elevation
- 1,631 m
Geography
- Geographic coordinates
- 39° 52' N / 104° 58' W
Convert Thornton time
Compare Thornton with another city or time zone
Thornton follows the same clock and daylight-saving rules as Denver
Popular conversions (current offsets)
All times shown relative to Thornton local time
Clock changes in Thornton
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 44 min2 min 25 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 Thornton on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 10 hr 44 min2 min 25 sec shorter than the previous day
- Solar noon
- (37.9° 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 44 min | 2 min 25 sec shorter than the previous day | |||
| 10 hr 42 min | 2 min 25 sec shorter than the previous day | |||
| 10 hr 39 min | 2 min 23 sec shorter than the previous day | |||
| 10 hr 37 min | 2 min 23 sec shorter than the previous day | |||
| 10 hr 35 min | 2 min 22 sec shorter than the previous day | |||
| 10 hr 32 min | 2 min 20 sec shorter than the previous day | |||
| 10 hr 30 min | 2 min 20 sec shorter than the previous day |
Weather forecast for Thornton
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Plan around Thornton
Upcoming public holidays in Colorado
- Veterans Day
- Thanksgiving Day
- Christmas Day
Nearby scheduled airports for Thornton, Colorado, USA
Rocky Mountain Metropolitan AirportBJCMedium airport · Serves Denver13.2 km west-northwest
Source: OurAirports record · BJC / KBJC
About 13.2 km (8.2 mi) west-northwest of Thornton
Scheduled airline service in source data
Denver International AirportDENLarge airport · Serves Denver25.5 km east
Source: OurAirports record · DEN / KDEN
About 25.5 km (15.8 mi) east of Thornton
Scheduled airline service in source data
City of Colorado Springs Municipal AirportCOSLarge airport · Serves Colorado Springs120 km south
Source: OurAirports record · COS / KCOS
About 120 km (74.8 mi) south of Thornton
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Thornton in?
- Thornton 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 Thornton?
- Clocks in Thornton 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 Thornton observe daylight saving time?
- Yes. Thornton observes daylight saving time: MDT (UTC−6) in summer and MST (UTC−7) in winter.
- What is the UTC offset of Thornton?
- Thornton is UTC−7 in winter and UTC−6 in summer