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What time is sunrise and sunset in Thornton?

Today and tomorrow's sunrise and sunset times in Thornton, Colorado. Plus a monthly calendar with dawn, dusk, solar noon, and day length.

Today

Sunrise
6:23 AM
79° EDawn 5:55 AM

Sunrise in Thornton will be at 6:23:24 AM MDT (in 4 hours).

Sunset
7:33 PM
281° WDusk 8:01 PM

Sunset in Thornton will be at 7:33:33 PM MDT (in 17 hours).

Now
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Night now · First light at 4:48 AM

Daylight
13h 10m
Darkness
7h 54m
Solar noon
12:58 PM
Sun altitude
39.3° below
Sun direction
26° NNE

Tomorrow

Sunrise
6:24 AM
79° EDawn 5:56 AM

Sunrise in Thornton will be at 6:24:21 AM MDT (in 28 hours).

Sunset
7:31 PM
280° WDusk 7:59 PM

Sunset in Thornton will be at 7:31:56 PM MDT (in 41 hours).

Moon tonight

Phase, moonrise and moonset in Thornton

Last Quarter
45% illuminated
Moonrise
11:54 PM
Moonset
3:01 PM

Calendar

America/Denver · click a day to expand

DateSunriseSunsetLength
1 Tue6:20 am7:38 pm13:17:47
2 Wed6:21 am7:36 pm13:15:15
3 Thu6:22 am7:35 pm13:12:42
4 Fri6:23 am7:33 pm13:10:09
Friday, September 4
13:10:09 of daylight·−2m 33s vs. yesterday·twilight 5:55 am – 8:01 pm
12a3a6a9a12p3p6p9p12a6:23 am12:58 pm7:33 pmhorizon
Time
2:20 AM
Altitude
-39.3°
Heading
26° NNE
Light
Night

2:20 AM, Night, altitude -39.3 degrees

5 Sat6:24 am7:31 pm13:07:35
6 Sun6:25 am7:30 pm13:05:01
7 Mon6:26 am7:28 pm13:02:27
8 Tue6:27 am7:27 pm12:59:52
9 Wed6:28 am7:25 pm12:57:18
10 Thu6:29 am7:23 pm12:54:43
11 Fri6:30 am7:22 pm12:52:07
12 Sat6:30 am7:20 pm12:49:32
13 Sun6:31 am7:18 pm12:46:57
14 Mon6:32 am7:17 pm12:44:21
15 Tue6:33 am7:15 pm12:41:45
16 Wed6:34 am7:13 pm12:39:09
17 Thu6:35 am7:12 pm12:36:33
18 Fri6:36 am7:10 pm12:33:57
19 Sat6:37 am7:08 pm12:31:21
20 Sun6:38 am7:07 pm12:28:45
21 Mon6:39 am7:05 pm12:26:09
22 Tue6:40 am7:03 pm12:23:33
23 Wed6:41 am7:02 pm12:20:57
24 Thu6:42 am7:00 pm12:18:21
25 Fri6:43 am6:59 pm12:15:45
26 Sat6:44 am6:57 pm12:13:09
27 Sun6:45 am6:55 pm12:10:33
28 Mon6:46 am6:54 pm12:07:58
29 Tue6:47 am6:52 pm12:05:22
30 Wed6:48 am6:50 pm12:02:47

FAQ

Frequently asked questions about sunrise and sunset in Thornton, United States

What time does the sun rise in Thornton today?
Sunrise in Thornton today (Friday, September 4, 2026) is at 6:23 AM. The sun comes up in the E.
What time does the sun set in Thornton today?
Sunset today is at 7:33 PM, after 13h 10m of daylight.
When is the longest day in Thornton, United States?
The longest day of 2026 in Thornton is Sunday, June 21, 2026, the summer solstice, with 15h 00m of daylight. In 2027 the summer solstice falls on June 21, 2027.
When is the shortest day in Thornton, United States?
The shortest day of 2026 in Thornton, Colorado is Monday, December 21, 2026, the winter solstice, with 9h 20m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does Thornton get in summer than in winter?
Thornton gets 5h 39m more daylight on its longest day than on its shortest (15h 00m against 9h 20m). Averaged across the year, a day here has 12h 12m of daylight.
When is the earliest sunrise in Thornton?
The earliest sunrise of 2026 in Thornton is on Sunday, June 14, 2026, when the sun comes up at 5:32 AM.
When is the latest sunset in Thornton?
The latest sunset is on Saturday, June 27, 2026 at 8:33 PM.
When is the earliest sunset in Thornton?
The earliest sunset of the year is on Tuesday, December 8, 2026, with the sun down by 4:36 PM.
When is the latest sunrise in Thornton?
The latest sunrise is on Saturday, October 31, 2026 at 7:28 AM.
Does Thornton observe daylight saving time?
Yes. Thornton uses Mountain Time: clocks go forward on March 8, 2026, then back on November 1, 2026. Sunrise and sunset times jump by an hour on those dates.

Developers: get this data programmatically with the free JSON API.

GET https://api.sunrisesunset.io/json?lat=39.86804&lng=-104.97192