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What time is sunrise and sunset in Arapahoe County?

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

Today

Sunrise
7:10 AM
104° ESEDawn 6:43 AM

Sunrise in Arapahoe County was at 7:10:37 AM MDT (4h 45m ago).

Sunset
6:11 PM
256° WSWDusk 6:39 PM

Sunset in Arapahoe County will be at 6:11:38 PM MDT (in 6h 16m).

Now
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Daylight now · Golden hour at 5:26 PM

Daylight
11h 01m
Darkness
10h 13m
Solar noon
12:41 PM
Sun altitude
37.0°
Sun direction
166° SSE
How long golden hour and blue hour last

Tomorrow

Sunrise
7:11 AM
104° ESEDawn 6:44 AM

Sunrise in Arapahoe County will be at 7:11:42 AM MDT (in 19h 16m).

Sunset
6:10 PM
255° WSWDusk 6:37 PM

Sunset in Arapahoe County will be at 6:10:21 PM MDT (in 30h 15m).

Moon tonight

Phase, moonrise and moonset in Arapahoe County

Full Moon
100% illuminated
Moonrise
5:32 PM
Moonset
6:46 AM

Calendar

Mountain Time · select a day to expand

DateSunriseSunsetLength
1 Thu6:46 AM6:46 PM12h 00m
2 Fri6:47 AM6:45 PM11h 58m
3 Sat6:48 AM6:43 PM11h 55m
4 Sun6:49 AM6:42 PM11h 53m
5 Mon6:50 AM6:40 PM11h 50m
6 Tue6:51 AM6:39 PM11h 47m
7 Wed6:52 AM6:37 PM11h 45m
8 Thu6:53 AM6:35 PM11h 42m
9 Fri6:54 AM6:34 PM11h 40m
10 Sat6:55 AM6:32 PM11h 37m
11 Sun6:56 AM6:31 PM11h 35m
12 Mon6:57 AM6:29 PM11h 32m
13 Tue6:58 AM6:28 PM11h 30m
14 Wed6:59 AM6:26 PM11h 27m
15 Thu7:00 AM6:25 PM11h 25m
16 Fri7:01 AM6:23 PM11h 22m
17 Sat7:02 AM6:22 PM11h 20m
18 Sun7:03 AM6:21 PM11h 17m
19 Mon7:04 AM6:19 PM11h 15m
20 Tue7:05 AM6:18 PM11h 12m
21 Wed7:06 AM6:16 PM11h 10m
22 Thu7:07 AM6:15 PM11h 08m
23 Fri7:08 AM6:14 PM11h 05m
24 Sat7:09 AM6:12 PM11h 03m
25 Sun7:10 AM6:11 PM11h 01m
Sunday, October 25
11h 01m 00s of daylight·−2m 22s vs. yesterday·twilight 6:43 AM – 6:39 PM
12a3a6a9a12p3p6p9p12a7:10 AM12:41 PM6:11 PMhorizon
Time
11:55 AM
Altitude
37.0°
Heading
166° SSE
Light
Daylight

11:55 AM, Daylight, altitude 37.0 degrees

26 Mon7:11 AM6:10 PM10h 58m
27 Tue7:12 AM6:09 PM10h 56m
28 Wed7:13 AM6:07 PM10h 53m
29 Thu7:14 AM6:06 PM10h 51m
30 Fri7:16 AM6:05 PM10h 49m
31 Sat7:17 AM6:04 PM10h 47m

Photos

Sunrise and sunset photos of Arapahoe County from Flickr.

More on Flickr

FAQ

Frequently asked questions about sunrise and sunset in Arapahoe County, United States

What time does the sun rise in Arapahoe County today?
Sunrise in Arapahoe County today (Sunday, October 25, 2026) is at 7:10 AM. The sun comes up in the ESE.
What time does the sun set in Arapahoe County today?
Sunset today is at 6:11 PM, after 11h 01m of daylight.
When does it get dark in Arapahoe County tonight?
Civil twilight ends at 6:39 PM. After that you need artificial light for most things outdoors. Astronomical twilight ends at 7:41 PM, which is when night starts by the standard definition.How long after sunset it gets dark
When is the longest day in Arapahoe County, United States?
The longest day of 2026 in Arapahoe County is Sunday, June 21, 2026, the summer solstice, with 14h 58m of daylight. In 2027 the summer solstice falls on June 21, 2027.More on the summer solstice
When is the shortest day in Arapahoe County, United States?
The shortest day of 2026 in Arapahoe County, Colorado is Monday, December 21, 2026, the winter solstice, with 9h 21m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does Arapahoe County get in summer than in winter?
Arapahoe County gets 5h 36m more daylight on its longest day than on its shortest (14h 58m against 9h 21m). Averaged across the year, a day here has 12h 12m of daylight.
When is the earliest sunrise in Arapahoe County?
The earliest sunrise of 2026 in Arapahoe County is on Saturday, June 13, 2026, when the sun comes up at 5:29 AM.
When is the latest sunset in Arapahoe County?
The latest sunset is on Saturday, June 27, 2026 at 8:29 PM.
When is the earliest sunset in Arapahoe County?
The earliest sunset of the year is on Monday, December 7, 2026, with the sun down by 4:32 PM.Why it comes before the shortest day
When is the latest sunrise in Arapahoe County?
The latest sunrise is on Saturday, October 31, 2026 at 7:24 AM.
Does Arapahoe County observe daylight saving time?
Yes. Arapahoe County 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.

Nearby

Other places close to Arapahoe County

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

GET https://api.sunrisesunset.io/json?lat=39.64977&lng=-104.33924