What Time is Sunrise and Sunset in Sully County, SD?

Here are today and tomorrow's sunrise and sunset times in Sully County, South Dakota. You'll also find a sunrise and sunset calendar for Sully County at the bottom of the page.

Today Thursday, June 4, 2026

Sunrise

5:58 am

Dawn: 5:21 am

Sunrise today in Sully County was at 5:58 AM CDT ().

Sunset

9:22 pm

Dusk: 9:58 pm

Sunset today in Sully County will be at 9:22 PM CDT ().

Tomorrow Friday, June 5, 2026

Sunrise

5:57 am

Dawn: 5:21 am

Sunrise tomorrow in Sully County will be at 5:57 AM CDT ().

Sunset

9:23 pm

Dusk: 9:59 pm

Sunset tomorrow in Sully County will be at 9:23 PM CDT ().

Photos Sunrise and Sunset Photos of Sully County

Sunrise and sunset photos of Sully County, SD from Flickr.

StormChasing 373

Calendar Sully County Sunrise and Sunset Calendar

Sunrise calendar and sunset calendar for Sully County, South Dakota. Discover Sully County, SD's detailed solar schedule, including day length, dawn, dusk, and solar noon times. Easily explore any month and year with our interactive calendar.

DateDawnSunriseSolar NoonSunsetDuskDay Length

FAQ Frequently Asked Questions about Sully County

When is the shortest day in Sully County, SD?

The shortest day of the year in Sully County, South Dakota (winter solstice) will be on Monday, December 21, 2026. In 2027 the shortest day will be on December 22, 2027.

How long is the shortest day in Sully County, SD?

The shortest day of 2026 in Sully County, South Dakota will be 8 hours and 47 minutes of daylight on December 21 (winter solstice).

When is the longest day in Sully County, SD?

The longest day in Sully County, South Dakota (summer solstice) will be on Sunday, June 21, 2026. Next year the longest day will be on June 21, 2027.

How long is the longest day in Sully County, SD?

The longest day of 2026 in Sully County, South Dakota will have 15 hours and 34 minutes of daylight on June 21 (summer solstice).

How much more daylight does Sully County, SD get in summer vs winter?

Sully County, South Dakota gets 6 hours and 46 minutes more daylight on the summer solstice than the winter solstice. The longest day has 15 hours and 34 minutes of daylight while the shortest day has only 8 hours and 47 minutes. The average day length throughout the year is 12 hours and 13 minutes.

When is the earliest sunrise in Sully County, SD?

The earliest sunrise time of 2026 in Sully County, South Dakota will be on Monday, June 15, 2026 at 5:55 AM.

When is the latest sunrise in Sully County, SD?

The latest sunrise time of 2026 in Sully County, South Dakota will be on Friday, January 2, 2026 at 8:19 AM.

When is the latest sunset in Sully County, SD?

The latest sunset time in Sully County, South Dakota will be on Friday, June 26, 2026 at 9:31 PM.

When is the earliest sunset in Sully County, SD?

The earliest sunset time in Sully County, South Dakota will be on Thursday, December 10, 2026 at 5:01 PM.

Sully County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 1,373. The county seat is Onida. The county was created in 1873 and later organized in 1883.

Sully County, SD
44.71558,-100.1322
Timezone: America/Chicago