January 2026 Sunrise & Sunset Times in Boulder, United States 🇺🇸

Sun: Civil Twilight

Sunrise Today: 06:35 ↑ 82.1° E

Sunset Today: 19:20 ↑ 277.7° W

Day Length: 12h 44m

Sun Direction: W

Sun Altitude: -3.14°

Sun Distance: 150.700 million km

Next Equinox: Tuesday, 22 September 2026 (September Equinox)

January 2026 Sunrise & Sunset Times in Boulder

Month:

Year:

Scroll to the right to view more

Day	Sunrise/Sunset		Daylight		Astronomical Twilight		Nautical Twilight		Civil Twilight		Solar Noon
Day	Sunrise	Sunset	Length	Diff.	Start	End	Start	End	Start	End	Time	Sun Dist. (Mil km)
1	07:23 ↑ 120° ESE	16:46 ↑ 240° WSW	9h 23m	+0m 41s	05:45	18:24	06:18	17:51	06:52	17:17	12:04	147.10
2	07:23 ↑ 120° ESE	16:47 ↑ 240° WSW	9h 23m	+0m 45s	05:45	18:24	06:18	17:51	06:52	17:18	12:04	147.10
3	07:23 ↑ 120° ESE	16:48 ↑ 240° WSW	9h 24m	+0m 48s	05:45	18:25	06:18	17:52	06:52	17:19	12:05	147.10
4	07:23 ↑ 120° ESE	16:49 ↑ 241° WSW	9h 25m	+0m 52s	05:46	18:26	06:18	17:53	06:52	17:19	12:05	147.10
5	07:23 ↑ 119° ESE	16:49 ↑ 241° WSW	9h 26m	+0m 56s	05:46	18:27	06:18	17:54	06:52	17:20	12:06	147.10
6	07:23 ↑ 119° ESE	16:50 ↑ 241° WSW	9h 27m	+0m 59s	05:46	18:28	06:18	17:55	06:52	17:21	12:06	147.10
7	07:23 ↑ 119° ESE	16:51 ↑ 241° WSW	9h 28m	+1m 03s	05:46	18:28	06:18	17:56	06:52	17:22	12:07	147.11
8	07:23 ↑ 119° ESE	16:52 ↑ 241° WSW	9h 29m	+1m 06s	05:46	18:29	06:18	17:57	06:52	17:23	12:07	147.11
9	07:23 ↑ 119° ESE	16:53 ↑ 242° WSW	9h 30m	+1m 09s	05:46	18:30	06:18	17:57	06:52	17:24	12:07	147.12
10	07:22 ↑ 118° ESE	16:54 ↑ 242° WSW	9h 32m	+1m 13s	05:46	18:31	06:18	17:58	06:52	17:25	12:08	147.12
11	07:22 ↑ 118° ESE	16:55 ↑ 242° WSW	9h 33m	+1m 16s	05:46	18:32	06:18	17:59	06:52	17:26	12:08	147.13
12	07:22 ↑ 118° ESE	16:56 ↑ 242° WSW	9h 34m	+1m 19s	05:45	18:33	06:18	18:00	06:51	17:27	12:09	147.13
13	07:21 ↑ 118° ESE	16:58 ↑ 242° WSW	9h 36m	+1m 22s	05:45	18:34	06:18	18:01	06:51	17:28	12:09	147.14
14	07:21 ↑ 118° ESE	16:59 ↑ 243° WSW	9h 37m	+1m 25s	05:45	18:35	06:18	18:02	06:51	17:29	12:09	147.15
15	07:21 ↑ 117° ESE	17:00 ↑ 243° WSW	9h 38m	+1m 28s	05:45	18:36	06:17	18:03	06:50	17:30	12:10	147.16
16	07:20 ↑ 117° ESE	17:01 ↑ 243° WSW	9h 40m	+1m 31s	05:45	18:37	06:17	18:04	06:50	17:31	12:10	147.17
17	07:20 ↑ 117° ESE	17:02 ↑ 243° WSW	9h 42m	+1m 34s	05:44	18:38	06:17	18:05	06:50	17:32	12:11	147.18
18	07:19 ↑ 116° ESE	17:03 ↑ 244° WSW	9h 43m	+1m 37s	05:44	18:39	06:16	18:06	06:49	17:33	12:11	147.19
19	07:19 ↑ 116° ESE	17:04 ↑ 244° WSW	9h 45m	+1m 39s	05:44	18:40	06:16	18:07	06:49	17:34	12:11	147.20
20	07:18 ↑ 116° ESE	17:05 ↑ 244° WSW	9h 47m	+1m 42s	05:43	18:41	06:15	18:08	06:48	17:35	12:11	147.21
21	07:18 ↑ 116° ESE	17:07 ↑ 245° WSW	9h 48m	+1m 45s	05:43	18:42	06:15	18:09	06:48	17:36	12:12	147.23
22	07:17 ↑ 115° ESE	17:08 ↑ 245° WSW	9h 50m	+1m 47s	05:42	18:43	06:14	18:10	06:47	17:38	12:12	147.24
23	07:16 ↑ 115° ESE	17:09 ↑ 245° WSW	9h 52m	+1m 49s	05:42	18:44	06:14	18:11	06:47	17:39	12:12	147.25
24	07:16 ↑ 115° ESE	17:10 ↑ 246° WSW	9h 54m	+1m 52s	05:41	18:45	06:13	18:12	06:46	17:40	12:13	147.27
25	07:15 ↑ 114° ESE	17:11 ↑ 246° WSW	9h 56m	+1m 54s	05:41	18:46	06:13	18:14	06:45	17:41	12:13	147.28
26	07:14 ↑ 114° ESE	17:12 ↑ 246° WSW	9h 58m	+1m 56s	05:40	18:47	06:12	18:15	06:45	17:42	12:13	147.30
27	07:14 ↑ 114° ESE	17:14 ↑ 247° WSW	10h 00m	+1m 58s	05:40	18:48	06:12	18:16	06:44	17:43	12:13	147.31
28	07:13 ↑ 113° ESE	17:15 ↑ 247° WSW	10h 02m	+2m 00s	05:39	18:49	06:11	18:17	06:43	17:44	12:13	147.33
29	07:12 ↑ 113° ESE	17:16 ↑ 247° WSW	10h 04m	+2m 02s	05:38	18:50	06:10	18:18	06:43	17:45	12:14	147.35
30	07:11 ↑ 112° ESE	17:17 ↑ 248° WSW	10h 06m	+2m 04s	05:38	18:51	06:09	18:19	06:42	17:47	12:14	147.37
31	07:10 ↑ 112° ESE	17:18 ↑ 248° WSW	10h 08m	+2m 06s	05:37	18:52	06:09	18:20	06:41	17:48	12:14	147.39
All times are in local time for Boulder. Time is adjusted for Daylight Saving Time (DST) when applicable. Today's date is highlighted in the table.

In Boulder, the earliest sunrise of January is on January 31 or the latest sunset of January is on January 31.

Sunrise/Sunset Calendar for other months in Boulder (2026):

Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec

2026 Sun Graph for Boulder

Daily Sun Phases for Boulder

Sun's Path on Selected Date in Boulder

00:00

Altitude: 0°

Heading: N (0°)

Position: Night

Sunrise & Sunset times in other cities in United States:

Best Places in the World to Watch the Sunset

The sun sinks slowly, brushing the sky with streaks of fire and gold. It's one of those rare moments when the world feel...

Sunsets in Art, Entertainment, and Language

The sun drops low. Colors stretch across the sky. Something in us softens. Sunsets aren’t just pretty - they hit a nerve...

The Science Behind Sunset Colors: Red Skies to Green Flashes

You’ve probably looked up at a glowing sky and thought, how can this be real? Orange clouds. Crimson light. Sometimes ev...

How Long After Sunset Does It Get Dark?

You’ve just watched the sun slip below the horizon. The colors are fading, and you wonder - How long until it’s actually...

Sunrise and Sunset: Timing the Day's First and Last Light

There’s something magical about watching the sky change colors as the day begins or ends. Whether it’s the golden stretc...

Why Are Sunsets So Beautiful? Color, Meaning & Science

The sky puts on a free show every evening, and we can’t help but stop and stare. Whether you're stuck in traffic or walk...

Sunsets and Symbolism: What the Setting Sun Represents Across Cultures

Every culture watches the sun drop - and feels something. That slow descent means more than just the end of a day. Aroun...

Sunrise in Religion and Ritual

There’s something about sunrise that feels sacred. Maybe it’s the stillness. Maybe it’s the slow light pushing back the ...

Best Sunrise Hikes and Viewpoints in the U.S.

There’s something about catching the first light of day from a high place. It’s quiet. It’s peaceful. And for a few minu...

Where Does the Sun Rise First?

The sun always rises in the east. But not everywhere sees it at the same time. Somewhere on Earth gets the first light o...

What Time is Sunrise? How It Varies by Season and Location

Ever notice how the sunrise time keeps changing? One week you're sipping coffee in daylight, and the next it’s pitch bla...

Why Do Roosters Crow at Sunrise?

You’ve probably heard it: That loud, proud “cock-a-doodle-doo” breaking the quiet of early morning. Roosters seem to kno...

00:00:00

Tuesday, 8 September 2026

Sunrise & Sunset FAQ — Boulder

Answers refreshed daily based on today's actual astronomy in Boulder.

What time does the sun rise today in Boulder?

In Boulder, United States, sunrise today is at local time. This is the moment when the upper edge of the sun first appears above the horizon and direct sunlight begins to illuminate the city.

What time does the sun set today in Boulder?

Sunset today in Boulder is at local time. This is the moment when the upper edge of the sun disappears below the horizon, after which the sky enters civil twilight before darkening fully.

How long is the day today in Boulder?

Day length today in Boulder is N/A — the elapsed time between sunrise at and sunset at . Day length changes by a few minutes each day, gradually growing from the winter solstice and shrinking from the summer solstice.

What time is solar noon in Boulder?

Solar noon in Boulder is at . This is the moment the sun crosses the local meridian and is highest in the sky — usually different from civil noon (12:00) because of daylight-saving time and because civil time zones cover wide longitude bands.

What is the golden hour in Boulder?

Golden hour is the period shortly after sunrise (around ) and shortly before sunset (around ) when the sun is low on the horizon and the light is warm and diffuse. In Boulder this gives photographers approximately 40-60 minutes of soft, directional light at each end of the day.

What is twilight and when does it occur in Boulder?

Civil twilight runs from sunset at until the sun reaches 6° below the horizon. After that comes nautical twilight (sun 6° to 12° below) and astronomical twilight (12° to 18° below). At extreme latitudes around the summer solstice, the sun may never dip 18° below the horizon, giving rise to so-called 'white nights'.