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
6:20 AM
79° EDawn 5:53 AM
Sunrise in Arapahoe County will be at 6:20:54 AM MDT (in 5 hours).
Sunset
7:31 PM
281° WDusk 7:58 PM
Sunset in Arapahoe County will be at 7:31:00 PM MDT (in 18 hours).
Now
6:20a7:31p
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Night now · First light at 4:46 AM
- Daylight
- 13h 10m
- Darkness
- 7h 55m
- Solar noon
- 12:56 PM
- Sun altitude
- 42.7° below
- Sun direction
- 9° N
Tomorrow
Sunrise
6:21 AM
79° EDawn 5:54 AM
Sunrise in Arapahoe County will be at 6:21:50 AM MDT (in 29 hours).
Sunset
7:29 PM
280° WDusk 7:56 PM
Sunset in Arapahoe County will be at 7:29:24 PM MDT (in 42 hours).
Moon tonight
Phase, moonrise and moonset in Arapahoe County
Last Quarter
45% illuminated
- Moonrise
- 11:52 PM
- Moonset
- 2:57 PM
Calendar
America/Denver · click a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Tue | 5:50 am | 6:18 am | 12:57 pm | 7:35 pm | 8:03 pm | 13:17:41 | |
| 2 Wed | 5:51 am | 6:19 am | 12:56 pm | 7:34 pm | 8:01 pm | 13:15:09 | |
| 3 Thu | 5:52 am | 6:19 am | 12:56 pm | 7:32 pm | 8:00 pm | 13:12:37 | |
| 4 Fri | 5:53 am | 6:20 am | 12:56 pm | 7:31 pm | 7:58 pm | 13:10:05 | |
Friday, September 4 13:10:05 of daylight·−2m 32s vs. yesterday·twilight 5:53 am – 7:58 pm Time 1:22 AM Altitude -42.7° Heading 8° N Light Night 1:22 AM, Night, altitude -42.7 degrees | |||||||
| 5 Sat | 5:54 am | 6:21 am | 12:55 pm | 7:29 pm | 7:56 pm | 13:07:33 | |
| 6 Sun | 5:55 am | 6:22 am | 12:55 pm | 7:27 pm | 7:55 pm | 13:05:00 | |
| 7 Mon | 5:56 am | 6:23 am | 12:55 pm | 7:26 pm | 7:53 pm | 13:02:27 | |
| 8 Tue | 5:57 am | 6:24 am | 12:54 pm | 7:24 pm | 7:51 pm | 12:59:54 | |
| 9 Wed | 5:58 am | 6:25 am | 12:54 pm | 7:22 pm | 7:50 pm | 12:57:20 | |
| 10 Thu | 5:59 am | 6:26 am | 12:54 pm | 7:21 pm | 7:48 pm | 12:54:46 | |
| 11 Fri | 6:00 am | 6:27 am | 12:53 pm | 7:19 pm | 7:46 pm | 12:52:12 | |
| 12 Sat | 6:01 am | 6:28 am | 12:53 pm | 7:18 pm | 7:45 pm | 12:49:38 | |
| 13 Sun | 6:02 am | 6:29 am | 12:53 pm | 7:16 pm | 7:43 pm | 12:47:04 | |
| 14 Mon | 6:03 am | 6:30 am | 12:52 pm | 7:14 pm | 7:41 pm | 12:44:29 | |
| 15 Tue | 6:04 am | 6:31 am | 12:52 pm | 7:13 pm | 7:40 pm | 12:41:55 | |
| 16 Wed | 6:05 am | 6:32 am | 12:52 pm | 7:11 pm | 7:38 pm | 12:39:20 | |
| 17 Thu | 6:05 am | 6:33 am | 12:51 pm | 7:09 pm | 7:36 pm | 12:36:45 | |
| 18 Fri | 6:06 am | 6:33 am | 12:51 pm | 7:08 pm | 7:35 pm | 12:34:11 | |
| 19 Sat | 6:07 am | 6:34 am | 12:51 pm | 7:06 pm | 7:33 pm | 12:31:36 | |
| 20 Sun | 6:08 am | 6:35 am | 12:50 pm | 7:04 pm | 7:31 pm | 12:29:01 | |
| 21 Mon | 6:09 am | 6:36 am | 12:50 pm | 7:03 pm | 7:30 pm | 12:26:26 | |
| 22 Tue | 6:10 am | 6:37 am | 12:49 pm | 7:01 pm | 7:28 pm | 12:23:51 | |
| 23 Wed | 6:11 am | 6:38 am | 12:49 pm | 6:59 pm | 7:26 pm | 12:21:16 | |
| 24 Thu | 6:12 am | 6:39 am | 12:49 pm | 6:58 pm | 7:25 pm | 12:18:41 | |
| 25 Fri | 6:13 am | 6:40 am | 12:48 pm | 6:56 pm | 7:23 pm | 12:16:07 | |
| 26 Sat | 6:14 am | 6:41 am | 12:48 pm | 6:55 pm | 7:21 pm | 12:13:32 | |
| 27 Sun | 6:15 am | 6:42 am | 12:48 pm | 6:53 pm | 7:20 pm | 12:10:57 | |
| 28 Mon | 6:16 am | 6:43 am | 12:47 pm | 6:51 pm | 7:18 pm | 12:08:23 | |
| 29 Tue | 6:17 am | 6:44 am | 12:47 pm | 6:50 pm | 7:16 pm | 12:05:49 | |
| 30 Wed | 6:18 am | 6:45 am | 12:47 pm | 6:48 pm | 7:15 pm | 12:03:14 | |
Photos
Sunrise and sunset photos of Arapahoe County from 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 (Friday, September 4, 2026) is at 6:20 AM. The sun comes up in the E.
- What time does the sun set in Arapahoe County today?
- Sunset today is at 7:31 PM, after 13h 10m of daylight.
- 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.
- 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 37m 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 Sunday, June 14, 2026, when the sun comes up at 5:30 AM.
- When is the latest sunset in Arapahoe County?
- The latest sunset is on Saturday, June 27, 2026 at 8:30 PM.
- When is the earliest sunset in Arapahoe County?
- The earliest sunset of the year is on Tuesday, December 8, 2026, with the sun down by 4:34 PM.
- When is the latest sunrise in Arapahoe County?
- The latest sunrise is on Saturday, October 31, 2026 at 7:25 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.
Developers: get this data programmatically with the free JSON API.
GET https://api.sunrisesunset.io/json?lat=39.64977&lng=-104.33924