Time in Colorado, United States

Time in Thornton, Colorado now

5:00:00 AM

Tuesday, November 3, 2026

MST · UTC−7 Mountain Standard Time

Sunrise: 6:30 AM
Sunset: 4:55 PM
Day length: 10 h 25 min
Daylight saving: Changes Mar 14, 2027

Thornton time zone

Time zone

Mountain Standard Time (MST), UTC−7. IANA zone America/Denver.

Clock changes

Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−7 → UTC−6).

Daylight saving dates worldwide

Location

Thornton, Colorado, United States. Coordinates 39.87° N, 104.97° W; population about 133,451.

Sunrise and sunset in Thornton today

Dawn (civil): 6:02 AM
Sunrise: 6:30 AM
Solar noon: 11:43 AM
Sunset: 4:55 PM
Dusk (civil): 5:24 PM
Day length: 10 h 25 min
Night length: 13 h 35 min
Golden hour, morning: 6:13 AM – 7:09 AM
Golden hour, evening: 4:17 PM – 5:13 PM
Blue hour, morning: 6:02 AM – 6:13 AM
Blue hour, evening: 5:13 PM – 5:24 PM

Calculated for the city centre at sea level; accurate to about a minute. Golden hour is when the sun is between 4° below and 6° above the horizon; blue hour between 6° and 4° below. See the whole month or another date.

Thornton time compared with other cities

Hour comparison appears when this page finishes loading.

City	Local time	Difference from Thornton
New York City, New York	7:00 AM	2 hours ahead of Thornton
Los Angeles, California	4:00 AM	1 hour behind Thornton
Chicago, Illinois	6:00 AM	1 hour ahead of Thornton
Phoenix, Arizona	5:00 AM	Same time as Thornton
Honolulu, Hawaii	2:00 AM	3 hours behind Thornton
Anchorage, Alaska	3:00 AM	2 hours behind Thornton
Toronto, Canada	7:00 AM	2 hours ahead of Thornton
Vancouver, Canada	5:00 AM	Same time as Thornton
Mexico City, Mexico	6:00 AM	1 hour ahead of Thornton
São Paulo, Brazil	9:00 AM	4 hours ahead of Thornton
Buenos Aires, Argentina	9:00 AM	4 hours ahead of Thornton
London, United Kingdom	12:00 PM	7 hours ahead of Thornton
Dublin, Ireland	12:00 PM	7 hours ahead of Thornton
Paris, France	1:00 PM	8 hours ahead of Thornton

Convert a specific date and time · Find a meeting time

Questions about time in Thornton

What time zone is Thornton in?

Thornton uses Mountain Standard Time (MST, UTC−7) as standard time and Mountain Daylight Time (MDT, UTC−6) during daylight saving time. Its IANA time-zone identifier is America/Denver, which is what phones and computers use to set the local time.

Does Thornton observe daylight saving time?

Yes. Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−7 → UTC−6). The previous change was on Sunday, November 1, 2026.

How far is Thornton from UTC?

Thornton is 7 hours behind UTC on standard time and 6 hours behind UTC during daylight saving time.

What time is sunrise and sunset in Thornton today?

The table above shows today’s sunrise, sunset and day length for the city centre. As an example, on Tuesday, November 3, 2026 the sun rose at 6:30 AM and set at 4:55 PM, giving 10 h 25 min of daylight.

Near Thornton

More cities in United States

All of United States →