Boulder, Colorado

Boulder Sunrise and Sunset Times, December 2028

In December 2028, sunrise in Boulder moves from 7:04 AM on the 1st to 7:23 AM on the 31st, and sunset from 4:36 PM to 4:46 PM. Days get 8 minutes 36 seconds shorter over the month.

Daylight on the 1st9h 32mDecember 1, 2028

Daylight on the 31st9h 23mDecember 31, 2028

Change over the month−0h 09mlosing about 0.3 min a day

Time zoneMSTAmerica/Denver

Daily table, December 2028

Date	First light	Sunrise	Sunset	Last light	Day length	Change	Moon
1 Fri	6:34 AM	7:04 AM	4:36 PM	5:06 PM	9h 32m	−1m 14s	Full Moon
2 Sat	6:35 AM	7:05 AM	4:36 PM	5:06 PM	9h 31m	−1m 11s
3 Sun	6:36 AM	7:06 AM	4:36 PM	5:06 PM	9h 29m	−1m 07s
4 Mon	6:37 AM	7:07 AM	4:36 PM	5:06 PM	9h 28m	−1m 04s
5 Tue	6:38 AM	7:08 AM	4:36 PM	5:06 PM	9h 27m	−1m 01s
6 Wed	6:39 AM	7:09 AM	4:36 PM	5:06 PM	9h 26m	−0m 57s
7 Thu	6:40 AM	7:10 AM	4:36 PM	5:06 PM	9h 26m	−0m 53s
8 Fri	6:41 AM	7:11 AM	4:36 PM	5:06 PM	9h 25m	−0m 50s	Last Quarter
9 Sat	6:41 AM	7:12 AM	4:36 PM	5:06 PM	9h 24m	−0m 47s
10 Sun	6:42 AM	7:13 AM	4:36 PM	5:06 PM	9h 23m	−0m 42s
11 Mon	6:43 AM	7:13 AM	4:36 PM	5:06 PM	9h 23m	−0m 39s
12 Tue	6:44 AM	7:14 AM	4:36 PM	5:07 PM	9h 22m	−0m 36s
13 Wed	6:44 AM	7:15 AM	4:36 PM	5:07 PM	9h 21m	−0m 31s
14 Thu	6:45 AM	7:16 AM	4:37 PM	5:07 PM	9h 21m	−0m 28s
15 Fri	6:46 AM	7:16 AM	4:37 PM	5:07 PM	9h 21m	−0m 23s	New Moon
16 Sat	6:46 AM	7:17 AM	4:37 PM	5:08 PM	9h 20m	−0m 20s
17 Sun	6:47 AM	7:18 AM	4:38 PM	5:08 PM	9h 20m	−0m 16s
18 Mon	6:48 AM	7:18 AM	4:38 PM	5:09 PM	9h 20m	−0m 12s
19 Tue	6:48 AM	7:19 AM	4:38 PM	5:09 PM	9h 20m	−0m 08s
20 Wed	6:49 AM	7:19 AM	4:39 PM	5:09 PM	9h 20m	−0m 05s
21 Thu	6:49 AM	7:20 AM	4:39 PM	5:10 PM	9h 20m	+0m 00s
22 Fri	6:50 AM	7:20 AM	4:40 PM	5:11 PM	9h 20m	+0m 04s
23 Sat	6:50 AM	7:21 AM	4:40 PM	5:11 PM	9h 20m	+0m 08s	First Quarter
24 Sun	6:50 AM	7:21 AM	4:41 PM	5:12 PM	9h 20m	+0m 11s
25 Mon	6:51 AM	7:21 AM	4:42 PM	5:12 PM	9h 20m	+0m 16s
26 Tue	6:51 AM	7:22 AM	4:42 PM	5:13 PM	9h 21m	+0m 19s
27 Wed	6:52 AM	7:22 AM	4:43 PM	5:14 PM	9h 21m	+0m 24s
28 Thu	6:52 AM	7:22 AM	4:44 PM	5:14 PM	9h 21m	+0m 27s
29 Fri	6:52 AM	7:23 AM	4:45 PM	5:15 PM	9h 22m	+0m 31s
30 Sat	6:52 AM	7:23 AM	4:45 PM	5:16 PM	9h 23m	+0m 35s
31 Sun	6:53 AM	7:23 AM	4:46 PM	5:17 PM	9h 23m	+0m 39s	Full Moon

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 2028

December 2025 · December 2026 · December 2027 · Today in Boulder · Golden hour · Moon

December 2028 in nearby places

Questions about December in Boulder

What time is sunrise in Boulder in December 2028?

Sunrise moves from 7:04 AM on December 1 to 7:23 AM on December 31, local time.

What time is sunset in Boulder in December 2028?

Sunset moves from 4:36 PM on December 1 to 4:46 PM on December 31, local time.

How much daylight does Boulder gain or lose in December?

Days get 8 minutes 36 seconds shorter over December 2028, from 9 hours, 32 minutes to 9 hours, 23 minutes.