Boulder, Colorado

Boulder Sunrise and Sunset Times, August 2026

In August 2026, sunrise in Boulder moves from 6:00 AM on the 1st to 6:28 AM on the 31st, and sunset from 8:15 PM to 7:34 PM. Days get 69 minutes 12 seconds shorter over the month.

Daylight on the 1st14h 15mAugust 1, 2026

Daylight on the 31st13h 06mAugust 31, 2026

Change over the month−1h 09mlosing about 2.2 min a day

Time zoneMDTAmerica/Denver

Daily table, August 2026

Date	First light	Sunrise	Sunset	Last light	Day length	Change	Moon
1 Sat	5:29 AM	6:00 AM	8:15 PM	8:45 PM	14h 15m	−1m 59s
2 Sun	5:30 AM	6:01 AM	8:14 PM	8:44 PM	14h 13m	−2m 00s
3 Mon	5:31 AM	6:01 AM	8:12 PM	8:42 PM	14h 11m	−2m 02s
4 Tue	5:32 AM	6:02 AM	8:11 PM	8:41 PM	14h 09m	−2m 04s
5 Wed	5:33 AM	6:03 AM	8:10 PM	8:40 PM	14h 07m	−2m 05s	Last Quarter
6 Thu	5:34 AM	6:04 AM	8:09 PM	8:39 PM	14h 05m	−2m 07s
7 Fri	5:35 AM	6:05 AM	8:08 PM	8:37 PM	14h 03m	−2m 08s
8 Sat	5:37 AM	6:06 AM	8:07 PM	8:36 PM	14h 00m	−2m 10s
9 Sun	5:38 AM	6:07 AM	8:05 PM	8:35 PM	13h 58m	−2m 11s
10 Mon	5:39 AM	6:08 AM	8:04 PM	8:33 PM	13h 56m	−2m 13s
11 Tue	5:40 AM	6:09 AM	8:03 PM	8:32 PM	13h 54m	−2m 13s
12 Wed	5:41 AM	6:10 AM	8:02 PM	8:31 PM	13h 52m	−2m 15s	New Moon
13 Thu	5:42 AM	6:11 AM	8:00 PM	8:29 PM	13h 49m	−2m 17s
14 Fri	5:43 AM	6:12 AM	7:59 PM	8:28 PM	13h 47m	−2m 17s
15 Sat	5:44 AM	6:13 AM	7:58 PM	8:26 PM	13h 45m	−2m 18s
16 Sun	5:45 AM	6:14 AM	7:56 PM	8:25 PM	13h 42m	−2m 20s
17 Mon	5:46 AM	6:15 AM	7:55 PM	8:24 PM	13h 40m	−2m 20s
18 Tue	5:47 AM	6:16 AM	7:53 PM	8:22 PM	13h 38m	−2m 22s
19 Wed	5:48 AM	6:17 AM	7:52 PM	8:21 PM	13h 35m	−2m 22s	First Quarter
20 Thu	5:49 AM	6:18 AM	7:51 PM	8:19 PM	13h 33m	−2m 23s
21 Fri	5:50 AM	6:19 AM	7:49 PM	8:18 PM	13h 31m	−2m 24s
22 Sat	5:51 AM	6:20 AM	7:48 PM	8:16 PM	13h 28m	−2m 25s
23 Sun	5:52 AM	6:20 AM	7:46 PM	8:14 PM	13h 26m	−2m 26s
24 Mon	5:53 AM	6:21 AM	7:45 PM	8:13 PM	13h 23m	−2m 27s
25 Tue	5:54 AM	6:22 AM	7:43 PM	8:11 PM	13h 21m	−2m 27s
26 Wed	5:55 AM	6:23 AM	7:42 PM	8:10 PM	13h 18m	−2m 28s
27 Thu	5:56 AM	6:24 AM	7:40 PM	8:08 PM	13h 16m	−2m 28s	Full Moon
28 Fri	5:57 AM	6:25 AM	7:39 PM	8:07 PM	13h 13m	−2m 29s
29 Sat	5:58 AM	6:26 AM	7:37 PM	8:05 PM	13h 11m	−2m 30s
30 Sun	5:59 AM	6:27 AM	7:35 PM	8:03 PM	13h 08m	−2m 30s
31 Mon	6:00 AM	6:28 AM	7:34 PM	8:02 PM	13h 06m	−2m 31s

First and last light are civil dawn and dusk, when the sun is 6° below the horizon. Times are local and rounded to the minute.

Other months in 2026

August 2025 · August 2027 · August 2028 · Today in Boulder · Golden hour · Moon

August 2026 in nearby places

Questions about August in Boulder

What time is sunrise in Boulder in August 2026?

Sunrise moves from 6:00 AM on August 1 to 6:28 AM on August 31, local time.

What time is sunset in Boulder in August 2026?

Sunset moves from 8:15 PM on August 1 to 7:34 PM on August 31, local time.

How much daylight does Boulder gain or lose in August?

Days get 69 minutes 12 seconds shorter over August 2026, from 14 hours, 15 minutes to 13 hours, 6 minutes.