Boulder Sunrise & Sunset in January 2026
MST • 40.0150°N, 105.2705°W
Last updated: January 13, 2026
This page shows daily sunrise and sunset times for Boulder, Colorado throughout January 2026, displayed in local time. You can view how sunrise and sunset times change day by day across the entire month. During January, the region experiences some of the shortest days of the year. Photographers and outdoor enthusiasts value the golden hour periods in January, when the sun's low angle creates warm, soft light. Understanding when these windows occur helps plan shoots and outdoor activities. Event planners and outdoor venue operators in Boulder depend on January's sun time data to schedule activities and coordinate lighting. This information helps create better experiences for participants throughout the month. Each day in January brings slightly different sunrise and sunset times in Boulder, Colorado. While the changes may seem small day-to-day, they accumulate throughout the month, creating noticeable differences from the first to the last day. The daily variations in sun times during January may seem minor, but they reflect the Earth's continuous motion around the sun. These changes affect everything from energy consumption to mood and daily routines. Understanding these patterns helps residents and visitors make the most of each day's available daylight.
Key January Statistics
- Earliest sunrise: January 1 at 7:24 AM
- Latest sunrise: January 31 at 7:12 AM
- Earliest sunset: January 1 at 4:46 PM
- Latest sunset: January 31 at 5:18 PM
- Day length change: +0h 44m from start to end of month
Monthly Sun Trend Charts
Daily Sun Times for January 2026
| Date | Sunrise | Sunset | Day Length | Morning Golden Hour | Evening Golden Hour |
|---|---|---|---|---|---|
| Jan 1 | 7:24 AM | 4:46 PM | 9h 22m | 7:24 AM - 8:06 AM | 4:03 PM - 4:46 PM |
| Jan 2 | 7:24 AM | 4:47 PM | 9h 23m | 7:24 AM - 8:06 AM | 4:04 PM - 4:47 PM |
| Jan 3 | 7:24 AM | 4:48 PM | 9h 24m | 7:24 AM - 8:07 AM | 4:05 PM - 4:48 PM |
| Jan 4 | 7:24 AM | 4:49 PM | 9h 25m | 7:24 AM - 8:07 AM | 4:06 PM - 4:49 PM |
| Jan 5 | 7:24 AM | 4:49 PM | 9h 26m | 7:24 AM - 8:06 AM | 4:07 PM - 4:49 PM |
| Jan 6 | 7:24 AM | 4:50 PM | 9h 26m | 7:24 AM - 8:06 AM | 4:08 PM - 4:50 PM |
| Jan 7 | 7:24 AM | 4:51 PM | 9h 27m | 7:24 AM - 8:06 AM | 4:09 PM - 4:51 PM |
| Jan 8 | 7:24 AM | 4:52 PM | 9h 28m | 7:24 AM - 8:06 AM | 4:10 PM - 4:52 PM |
| Jan 9 | 7:24 AM | 4:53 PM | 9h 30m | 7:24 AM - 8:06 AM | 4:11 PM - 4:53 PM |
| Jan 10 | 7:23 AM | 4:54 PM | 9h 31m | 7:23 AM - 8:06 AM | 4:12 PM - 4:54 PM |
| Jan 11 | 7:23 AM | 4:55 PM | 9h 32m | 7:23 AM - 8:05 AM | 4:13 PM - 4:55 PM |
| Jan 12 | 7:23 AM | 4:56 PM | 9h 33m | 7:23 AM - 8:05 AM | 4:14 PM - 4:56 PM |
| Jan 13 | 7:23 AM | 4:57 PM | 9h 34m | 7:23 AM - 8:05 AM | 4:15 PM - 4:57 PM |
| Jan 14(Today) | 7:22 AM | 4:58 PM | 9h 36m | 7:22 AM - 8:04 AM | 4:17 PM - 4:58 PM |
| Jan 15 | 7:22 AM | 4:59 PM | 9h 37m | 7:22 AM - 8:04 AM | 4:18 PM - 4:59 PM |
| Jan 16 | 7:22 AM | 5:00 PM | 9h 39m | 7:22 AM - 8:03 AM | 4:19 PM - 5:00 PM |
| Jan 17 | 7:21 AM | 5:02 PM | 9h 40m | 7:21 AM - 8:03 AM | 4:20 PM - 5:02 PM |
| Jan 18 | 7:21 AM | 5:03 PM | 9h 42m | 7:21 AM - 8:02 AM | 4:21 PM - 5:03 PM |
| Jan 19 | 7:20 AM | 5:04 PM | 9h 43m | 7:20 AM - 8:02 AM | 4:23 PM - 5:04 PM |
| Jan 20 | 7:20 AM | 5:05 PM | 9h 45m | 7:20 AM - 8:01 AM | 4:24 PM - 5:05 PM |
| Jan 21 | 7:19 AM | 5:06 PM | 9h 47m | 7:19 AM - 8:00 AM | 4:25 PM - 5:06 PM |
| Jan 22 | 7:19 AM | 5:07 PM | 9h 48m | 7:19 AM - 8:00 AM | 4:26 PM - 5:07 PM |
| Jan 23 | 7:18 AM | 5:08 PM | 9h 50m | 7:18 AM - 7:59 AM | 4:28 PM - 5:08 PM |
| Jan 24 | 7:18 AM | 5:10 PM | 9h 52m | 7:18 AM - 7:58 AM | 4:29 PM - 5:10 PM |
| Jan 25 | 7:17 AM | 5:11 PM | 9h 54m | 7:17 AM - 7:57 AM | 4:30 PM - 5:11 PM |
| Jan 26 | 7:16 AM | 5:12 PM | 9h 56m | 7:16 AM - 7:56 AM | 4:32 PM - 5:12 PM |
| Jan 27 | 7:15 AM | 5:13 PM | 9h 58m | 7:15 AM - 7:56 AM | 4:33 PM - 5:13 PM |
| Jan 28 | 7:15 AM | 5:14 PM | 10h 0m | 7:15 AM - 7:55 AM | 4:34 PM - 5:14 PM |
| Jan 29 | 7:14 AM | 5:16 PM | 10h 2m | 7:14 AM - 7:54 AM | 4:36 PM - 5:16 PM |
| Jan 30 | 7:13 AM | 5:17 PM | 10h 4m | 7:13 AM - 7:53 AM | 4:37 PM - 5:17 PM |
| Jan 31 | 7:12 AM | 5:18 PM | 10h 6m | 7:12 AM - 7:52 AM | 4:38 PM - 5:18 PM |
Last updated: January 13, 2026
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About sunrise and sunset in Boulder in January
Today, the sun rises at 7:22 AM and sets at 4:58 PM, giving about 9h 36m hours of daylight. Sunrise and sunset times shift slightly each day through January as we move closer to the solstice.
You can come back daily to see updated values. This page shows you not just sunrise and sunset times, but also golden hour periods (ideal for photography), dawn and dusk times (civil twilight), and day length for every day of the month. All times are displayed in local time and update automatically based on the current date.
Whether you're planning outdoor activities, photography sessions, or simply want to know when daylight begins and ends, this calendar helps you make the most of each day in January.
Useful sunrise and sunset guides
Learn more about sunrise, sunset, and daylight patterns with our helpful guides:
Frequently Asked Questions
What time is sunrise in Boulder, Colorado in January?
Today, the sun rises in Boulder, Colorado at 7:22 AM local time. Sunrise shifts slightly each day throughout January, so check this page for the latest times.
What time is sunset in Boulder, Colorado in January?
Today, the sun sets in Boulder, Colorado at 4:58 PM local time. Sunset shifts slightly each day throughout January, so check this page for the latest times.
How long is the day in Boulder, Colorado in January?
Today's daylight in Boulder, Colorado lasts about 9h 36m. As we move through January, day length changes gradually, and this page updates daily with new values.
What is golden hour in Boulder, Colorado?
Golden hour in Boulder, Colorado refers to the period shortly after sunrise and before sunset when the sun is low in the sky, creating warm, soft lighting ideal for photography. These periods occur twice daily and shift gradually throughout the month. For more information about planning photos during golden hour, see our guide on golden hour photography.
How often are these sunrise and sunset times updated?
Sunrise and sunset times are updated daily and are based on reliable astronomical calculations. The times account for your location's exact geographic coordinates, timezone, and the Earth's position in its orbit. You can check back each day to see the latest values.
Related Pages
How People Use This Information
People use sunrise and sunset times for planning outdoor activities, photography, travel, prayer times, fitness routines, gardening, and understanding seasonal daylight changes. SunTimesToday is designed as a quick, location-specific reference that updates daily to reflect accurate astronomical calculations.
Data Source & Accuracy
Sunrise, sunset, daylight length, and twilight times on SunTimesToday are calculated using standard astronomical algorithms based on your selected location and date. Data is updated daily to reflect seasonal and yearly changes. While times are accurate for most practical uses, small variations may occur due to atmospheric conditions and local geography.