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What time is sunrise and sunset in Bison?

Today and tomorrow's sunrise and sunset times in Bison, South Dakota. Plus a monthly calendar with dawn, dusk, solar noon, and day length.

Today

Sunrise
6:41 AM
92° EDawn 6:11 AM

Sunrise in Bison will be at 6:41:14 AM MDT (in 4 hours).

Sunset
6:37 PM
267° WDusk 7:06 PM

Sunset in Bison will be at 6:37:27 PM MDT (in 16 hours).

Now
12a6a12p6p12a

Night now · First light at 5:02 AM

Daylight
11h 56m
Darkness
8h 55m
Solar noon
12:39 PM
Sun altitude
37.7° below
Sun direction
45° NE

Tomorrow

Sunrise
6:42 AM
93° EDawn 6:12 AM

Sunrise in Bison will be at 6:42:30 AM MDT (in 28 hours).

Sunset
6:35 PM
267° WDusk 7:05 PM

Sunset in Bison will be at 6:35:33 PM MDT (in 40 hours).

Moon tonight

Phase, moonrise and moonset in Bison

Waning Gibbous
80% illuminated
Moonrise
8:20 PM
Moonset
11:53 AM

Calendar

America/Denver · click a day to expand

DateSunriseSunsetLength
1 Tue6:05 am7:33 pm13:27:41
2 Wed6:06 am7:31 pm13:24:35
3 Thu6:07 am7:29 pm13:21:28
4 Fri6:09 am7:27 pm13:18:21
5 Sat6:10 am7:25 pm13:15:14
6 Sun6:11 am7:23 pm13:12:06
7 Mon6:12 am7:21 pm13:08:58
8 Tue6:14 am7:19 pm13:05:49
9 Wed6:15 am7:18 pm13:02:40
10 Thu6:16 am7:16 pm12:59:32
11 Fri6:17 am7:14 pm12:56:22
12 Sat6:18 am7:12 pm12:53:13
13 Sun6:20 am7:10 pm12:50:03
14 Mon6:21 am7:08 pm12:46:54
15 Tue6:22 am7:06 pm12:43:44
16 Wed6:23 am7:04 pm12:40:34
17 Thu6:25 am7:02 pm12:37:24
18 Fri6:26 am7:00 pm12:34:14
19 Sat6:27 am6:58 pm12:31:03
20 Sun6:28 am6:56 pm12:27:53
21 Mon6:30 am6:54 pm12:24:43
22 Tue6:31 am6:52 pm12:21:33
23 Wed6:32 am6:50 pm12:18:22
24 Thu6:33 am6:48 pm12:15:12
25 Fri6:35 am6:47 pm12:12:02
26 Sat6:36 am6:45 pm12:08:52
27 Sun6:37 am6:43 pm12:05:42
28 Mon6:38 am6:41 pm12:02:32
29 Tue6:39 am6:39 pm11:59:22
30 Wed6:41 am6:37 pm11:56:13
Wednesday, September 30
11:56:13 of daylight·−3m 9s vs. yesterday·twilight 6:11 am – 7:06 pm
12a3a6a9a12p3p6p9p12a6:41 am12:39 pm6:37 pmhorizon
Time
2:58 AM
Altitude
-37.6°
Heading
45° NE
Light
Night

2:58 AM, Night, altitude -37.6 degrees

FAQ

Frequently asked questions about sunrise and sunset in Bison, United States

What time does the sun rise in Bison today?
Sunrise in Bison today (Wednesday, September 30, 2026) is at 6:41 AM. The sun comes up in the E.
What time does the sun set in Bison today?
Sunset today is at 6:37 PM, after 11h 56m of daylight.
When is the longest day in Bison, United States?
The longest day of 2026 in Bison is Sunday, June 21, 2026, the summer solstice, with 15h 41m of daylight. In 2027 the summer solstice falls on June 21, 2027.
When is the shortest day in Bison, United States?
The shortest day of 2026 in Bison, South Dakota is Monday, December 21, 2026, the winter solstice, with 8h 41m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does Bison get in summer than in winter?
Bison gets 6h 59m more daylight on its longest day than on its shortest (15h 41m against 8h 41m). Averaged across the year, a day here has 12h 13m of daylight.
When is the earliest sunrise in Bison?
The earliest sunrise of 2026 in Bison is on Tuesday, June 16, 2026, when the sun comes up at 5:01 AM.
When is the latest sunset in Bison?
The latest sunset is on Friday, June 26, 2026 at 8:44 PM.
When is the earliest sunset in Bison?
The earliest sunset of the year is on Thursday, December 10, 2026, with the sun down by 4:07 PM.
When is the latest sunrise in Bison?
The latest sunrise is on Thursday, January 1, 2026 at 7:31 AM.
Does Bison observe daylight saving time?
Yes. Bison uses Mountain Time: clocks go forward on March 8, 2026, then back on November 1, 2026. Sunrise and sunset times jump by an hour on those dates.

Developers: get this data programmatically with the free JSON API.

GET https://api.sunrisesunset.io/json?lat=45.52026&lng=-102.46127