Naperville Sunrise & Sunset in January 2026

CST41.7508°N, 88.1535°W

Northern Hemisphere • mid-latitude latitude band

Last updated: February 23, 2026

This page shows daily sunrise and sunset times for Naperville, Illinois throughout January 2026, displayed in local time. You can view how sunrise and sunset times change day by day across the entire month. The daylight characteristics of January in Naperville reflect seasonal transitions. The golden hour occurs twice daily—shortly after sunrise and before sunset—providing ideal lighting conditions for photography. During January, these periods shift gradually, offering different timing opportunities throughout the month. Outdoor enthusiasts in Naperville benefit from accurate January sun times when planning activities like hiking, running, cycling, and beach visits. Understanding when daylight begins and ends helps ensure safety and maximizes enjoyment. Whether you're a long-time resident or a first-time visitor, understanding January's sun time patterns in Naperville, Illinois enhances your ability to plan and enjoy activities. The month's daylight characteristics are part of what makes the location unique. 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.

January is part of winter in the Northern Hemisphere for Naperville. Expect shorter days and later sunrises, especially noticeable at 41.8° latitude, with daylight expanding slowly as the month progresses.

January daylight summary

  • Sunrise shifts 14m earlier from the start to the end of the month.
  • Sunset shifts 34m later from the start to the end of the month.
  • Total daylight changes by 48m longer by month end.

Key January Statistics

  • Earliest sunrise: January 1 at 7:21 AM
  • Latest sunrise: January 31 at 7:07 AM
  • Earliest sunset: January 1 at 4:33 PM
  • Latest sunset: January 31 at 5:07 PM
  • Day length change: +0h 48m from start to end of month

January averages

  • Average sunrise: 7:16 AM
  • Average sunset: 4:49 PM
  • Average day length: 9h 33m

Monthly Sun Trend Charts

Sunrise Trend
Sunset Trend
Day Length Trend

Daily Sun Times for January 2026

DateSunriseSunsetDay LengthMorning Golden HourEvening Golden Hour
Jan 17:21 AM4:33 PM9h 12m7:21 AM - 8:05 AM3:49 PM - 4:33 PM
Jan 27:21 AM4:34 PM9h 13m7:21 AM - 8:05 AM3:49 PM - 4:34 PM
Jan 37:21 AM4:35 PM9h 14m7:21 AM - 8:05 AM3:50 PM - 4:35 PM
Jan 47:21 AM4:36 PM9h 15m7:21 AM - 8:05 AM3:51 PM - 4:36 PM
Jan 57:21 AM4:37 PM9h 16m7:21 AM - 8:05 AM3:52 PM - 4:37 PM
Jan 67:21 AM4:38 PM9h 17m7:21 AM - 8:05 AM3:53 PM - 4:38 PM
Jan 77:20 AM4:39 PM9h 18m7:20 AM - 8:04 AM3:55 PM - 4:39 PM
Jan 87:20 AM4:40 PM9h 19m7:20 AM - 8:04 AM3:56 PM - 4:40 PM
Jan 97:20 AM4:41 PM9h 20m7:20 AM - 8:04 AM3:57 PM - 4:41 PM
Jan 107:20 AM4:42 PM9h 22m7:20 AM - 8:04 AM3:58 PM - 4:42 PM
Jan 117:20 AM4:43 PM9h 23m7:20 AM - 8:03 AM3:59 PM - 4:43 PM
Jan 127:19 AM4:44 PM9h 24m7:19 AM - 8:03 AM4:00 PM - 4:44 PM
Jan 137:19 AM4:45 PM9h 26m7:19 AM - 8:02 AM4:02 PM - 4:45 PM
Jan 147:19 AM4:46 PM9h 27m7:19 AM - 8:02 AM4:03 PM - 4:46 PM
Jan 157:18 AM4:47 PM9h 29m7:18 AM - 8:01 AM4:04 PM - 4:47 PM
Jan 167:18 AM4:48 PM9h 31m7:18 AM - 8:01 AM4:05 PM - 4:48 PM
Jan 177:17 AM4:49 PM9h 32m7:17 AM - 8:00 AM4:07 PM - 4:49 PM
Jan 187:17 AM4:51 PM9h 34m7:17 AM - 7:59 AM4:08 PM - 4:51 PM
Jan 197:16 AM4:52 PM9h 36m7:16 AM - 7:59 AM4:09 PM - 4:52 PM
Jan 207:15 AM4:53 PM9h 38m7:15 AM - 7:58 AM4:11 PM - 4:53 PM
Jan 217:15 AM4:54 PM9h 39m7:15 AM - 7:57 AM4:12 PM - 4:54 PM
Jan 227:14 AM4:55 PM9h 41m7:14 AM - 7:56 AM4:13 PM - 4:55 PM
Jan 237:13 AM4:57 PM9h 43m7:13 AM - 7:55 AM4:15 PM - 4:57 PM
Jan 247:13 AM4:58 PM9h 45m7:13 AM - 7:55 AM4:16 PM - 4:58 PM
Jan 257:12 AM4:59 PM9h 47m7:12 AM - 7:54 AM4:18 PM - 4:59 PM
Jan 267:11 AM5:00 PM9h 49m7:11 AM - 7:53 AM4:19 PM - 5:00 PM
Jan 277:10 AM5:02 PM9h 51m7:10 AM - 7:52 AM4:20 PM - 5:02 PM
Jan 287:09 AM5:03 PM9h 54m7:09 AM - 7:51 AM4:22 PM - 5:03 PM
Jan 297:09 AM5:04 PM9h 56m7:09 AM - 7:50 AM4:23 PM - 5:04 PM
Jan 307:08 AM5:06 PM9h 58m7:08 AM - 7:49 AM4:25 PM - 5:06 PM
Jan 317:07 AM5:07 PM10h 0m7:07 AM - 7:48 AM4:26 PM - 5:07 PM

Last updated: February 23, 2026

About sunrise and sunset in Naperville in January

Sunrise and sunset times shift slightly each day through January as we move closer to the solstice. The times shown are in local time for Naperville, Illinois, and are calculated based on the city's exact geographic coordinates.

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.

Frequently Asked Questions

What time is sunrise in Naperville, Illinois in January?

Today, the sun rises in Naperville, Illinois at 6:38 AM local time. Sunrise shifts slightly each day throughout January, so check this page for the latest times.

What time is sunset in Naperville, Illinois in January?

Today, the sun sets in Naperville, Illinois at 5:36 PM local time. Sunset shifts slightly each day throughout January, so check this page for the latest times.

How long is the day in Naperville, Illinois in January?

Today's daylight in Naperville, Illinois lasts about 10h 58m. As we move through January, day length changes gradually, and this page updates daily with new values.

What is golden hour in Naperville, Illinois?

Golden hour in Naperville, Illinois 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.

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.