Sunrise and sunset times in Bison, SD
Check out today's and tomorrow's sunrise and sunset times in Bison, SD, United States, as well as the whole calendar for May 2026.
Today
May 16, 2026 . Current time: 5:03:10 pm
First light at 4:42:42 am
Sunrise time: 5:15:51 am
Sunset time: 8:16:37 pm
Last light at 8:49:46 pm
Day length: 15 hours, 0 minutes
3 hours, 13 minutes left for today's sunset in Bison
Moon rose on May 16 at 04:39 AM
Moon will set on May 16 at 08:51 PMMoon phase: 🌑 New Moon (0%)Tomorrow
May 17, 2026
First light at 4:41:28 am
Sunrise time: 5:14:45 am
Sunset time: 8:17:46 pm
Last light at 8:51:03 pm
Day length: 15 hours, 3 minutes
Tomorrow will be approximately 2 minutes longer than today in Bison
Moon will rise on May 17 at 05:21 AM Moon will set on May 17 at 10:12 PMMoon phase: 🌒 Waxing Crescent (3%)
- Bison, South Dakota
- Latitude: 45.520264
- Longitude: -102.461273
- Time zone: Mountain Time MDT
Shortest day in Bison, SD
The shortest day of the year will be in around 7 months, during the winter solstice on December 21, 2026, with a daylight length of 8 hours and 45 minutes.Longest day in Bison, SD
The longest day of the year will be in 1 month and 3 days, during the summer solstice on June 20, 2026, with a daylight length of 15 hours and 44 minutes.
May 2026 - Bison, South Dakota - Sunrise and sunset calendar
Sunrise and sunset times, civil twilight start and end times as well as solar noon, and day length for every day of May in Bison.
The day length increases by 1 hour, 6 minutes over the course of May 2026 in Bison, SD - from 14 hours, 22 minutes on the first day to 15 hours, 29 minutes on the last day.
| Day | Twilight Start | Sunrise | Sunset | Twilight End | Day Length | Day Length Variation | Solar Noon
Time of day when the sun reaches its highest point in the sky.
|
Max Sun Altitude | Nautical Twilight Start | Nautical Twilight End | Astronomical Twilight Start | Astronomical Twilight End | Night Length
Calculated form this day's sunset to the next day's sunrise.
|
Moon phase |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fri, May 1 | 5:04:27 am | 5:35:37 am | 7:58:12 pm | 8:29:22 pm | 14h 22m 35s | 14h 22m 35s | 12:46:55 pm | 60.8° | 4:23:37 am | 9:10:12 pm | 3:37:44 am | 9:56:05 pm | 9h 35m 56s | 🌕 (100%) |
| Sat, May 2 | 5:02:50 am | 5:34:08 am | 7:59:28 pm | 8:30:46 pm | 14h 25m 20s | 2m 45s | 12:46:48 pm | 61.1° | 4:21:46 am | 9:11:50 pm | 3:35:28 am | 9:58:08 pm | 9h 33m 11s | 🌖 (100%) |
| Sun, May 3 | 5:01:14 am | 5:32:39 am | 8:00:44 pm | 8:32:10 pm | 14h 28m 5s | 2m 45s | 12:46:42 pm | 61.4° | 4:19:56 am | 9:13:28 pm | 3:33:12 am | 10:00:12 pm | 9h 30m 29s | 🌖 (98%) |
| Mon, May 4 | 4:59:39 am | 5:31:13 am | 8:02:00 pm | 8:33:33 pm | 14h 30m 47s | 2m 42s | 12:46:36 pm | 61.7° | 4:18:07 am | 9:15:05 pm | 3:30:57 am | 10:02:16 pm | 9h 27m 47s | 🌖 (94%) |
| Tue, May 5 | 4:58:06 am | 5:29:47 am | 8:03:15 pm | 8:34:56 pm | 14h 33m 28s | 2m 41s | 12:46:31 pm | 61.9° | 4:16:19 am | 9:16:43 pm | 3:28:42 am | 10:04:20 pm | 9h 25m 8s | 🌖 (89%) |
| Wed, May 6 | 4:56:34 am | 5:28:23 am | 8:04:30 pm | 8:36:19 pm | 14h 36m 7s | 2m 39s | 12:46:27 pm | 62.2° | 4:14:33 am | 9:18:21 pm | 3:26:28 am | 10:06:25 pm | 9h 22m 31s | 🌖 (82%) |
| Thu, May 7 | 4:55:04 am | 5:27:01 am | 8:05:45 pm | 8:37:42 pm | 14h 38m 44s | 2m 37s | 12:46:23 pm | 62.5° | 4:12:47 am | 9:19:58 pm | 3:24:15 am | 10:08:31 pm | 9h 19m 55s | 🌖 (75%) |
| Fri, May 8 | 4:53:35 am | 5:25:40 am | 8:07:00 pm | 8:39:04 pm | 14h 41m 20s | 2m 36s | 12:46:20 pm | 62.8° | 4:11:03 am | 9:21:36 pm | 3:22:02 am | 10:10:37 pm | 9h 17m 20s | 🌖 (66%) |
| Sat, May 9 | 4:52:07 am | 5:24:20 am | 8:08:14 pm | 8:40:26 pm | 14h 43m 54s | 2m 34s | 12:46:17 pm | 63° | 4:09:21 am | 9:23:13 pm | 3:19:50 am | 10:12:43 pm | 9h 14m 48s | 🌖 (56%) |
| Sun, May 10 | 4:50:42 am | 5:23:02 am | 8:09:27 pm | 8:41:48 pm | 14h 46m 25s | 2m 31s | 12:46:15 pm | 63.3° | 4:07:39 am | 9:24:50 pm | 3:17:39 am | 10:14:50 pm | 9h 12m 19s | 🌗 (46%) |
| Mon, May 11 | 4:49:17 am | 5:21:46 am | 8:10:40 pm | 8:43:09 pm | 14h 48m 54s | 2m 29s | 12:46:13 pm | 63.6° | 4:06:00 am | 9:26:27 pm | 3:15:29 am | 10:16:57 pm | 9h 9m 51s | 🌘 (36%) |
| Tue, May 12 | 4:47:55 am | 5:20:31 am | 8:11:53 pm | 8:44:30 pm | 14h 51m 22s | 2m 28s | 12:46:12 pm | 63.8° | 4:04:22 am | 9:28:03 pm | 3:13:20 am | 10:19:04 pm | 9h 7m 26s | 🌘 (26%) |
| Wed, May 13 | 4:46:34 am | 5:19:19 am | 8:13:05 pm | 8:45:50 pm | 14h 53m 46s | 2m 24s | 12:46:12 pm | 64° | 4:02:45 am | 9:29:38 pm | 3:11:12 am | 10:21:11 pm | 9h 5m 2s | 🌘 (17%) |
| Thu, May 14 | 4:45:14 am | 5:18:07 am | 8:14:16 pm | 8:47:09 pm | 14h 56m 9s | 2m 23s | 12:46:12 pm | 64.3° | 4:01:10 am | 9:31:14 pm | 3:09:05 am | 10:23:18 pm | 9h 2m 42s | 🌘 (9%) |
| Fri, May 15 | 4:43:57 am | 5:16:58 am | 8:15:27 pm | 8:48:28 pm | 14h 58m 29s | 2m 20s | 12:46:13 pm | 64.5° | 3:59:37 am | 9:32:48 pm | 3:07:00 am | 10:25:25 pm | 9h 0m 24s | 🌘 (4%) |
| Sat, May 16 | 4:42:42 am | 5:15:51 am | 8:16:37 pm | 8:49:46 pm | 15h 0m 46s | 2m 17s | 12:46:14 pm | 64.8° | 3:58:05 am | 9:34:22 pm | 3:04:55 am | 10:27:32 pm | 8h 58m 8s | 🌘 (1%) |
| Sun, May 17 | 4:41:28 am | 5:14:45 am | 8:17:46 pm | 8:51:03 pm | 15h 3m 1s | 2m 15s | 12:46:16 pm | 65° | 3:56:36 am | 9:35:55 pm | 3:02:52 am | 10:29:39 pm | 8h 55m 55s | 🌑 (0%) |
| Mon, May 18 | 4:40:16 am | 5:13:41 am | 8:18:55 pm | 8:52:20 pm | 15h 5m 14s | 2m 13s | 12:46:18 pm | 65.2° | 3:55:08 am | 9:37:28 pm | 3:00:51 am | 10:31:45 pm | 8h 53m 44s | 🌒 (3%) |
| Tue, May 19 | 4:39:06 am | 5:12:39 am | 8:20:02 pm | 8:53:36 pm | 15h 7m 23s | 2m 9s | 12:46:21 pm | 65.4° | 3:53:43 am | 9:38:59 pm | 2:58:51 am | 10:33:51 pm | 8h 51m 37s | 🌒 (9%) |
| Wed, May 20 | 4:37:58 am | 5:11:39 am | 8:21:09 pm | 8:54:50 pm | 15h 9m 30s | 2m 7s | 12:46:24 pm | 65.6° | 3:52:19 am | 9:40:30 pm | 2:56:52 am | 10:35:56 pm | 8h 49m 33s | 🌒 (17%) |
| Thu, May 21 | 4:36:53 am | 5:10:42 am | 8:22:15 pm | 8:56:04 pm | 15h 11m 33s | 2m 3s | 12:46:28 pm | 65.8° | 3:50:58 am | 9:41:59 pm | 2:54:56 am | 10:38:01 pm | 8h 47m 31s | 🌒 (26%) |
| Fri, May 22 | 4:35:49 am | 5:09:46 am | 8:23:20 pm | 8:57:17 pm | 15h 13m 34s | 2m 1s | 12:46:33 pm | 66° | 3:49:38 am | 9:43:27 pm | 2:53:01 am | 10:40:05 pm | 8h 45m 32s | 🌒 (37%) |
| Sat, May 23 | 4:34:48 am | 5:08:52 am | 8:24:24 pm | 8:58:28 pm | 15h 15m 32s | 1m 58s | 12:46:38 pm | 66.2° | 3:48:21 am | 9:44:55 pm | 2:51:09 am | 10:42:07 pm | 8h 43m 36s | 🌓 (48%) |
| Sun, May 24 | 4:33:48 am | 5:08:00 am | 8:25:27 pm | 8:59:39 pm | 15h 17m 27s | 1m 55s | 12:46:43 pm | 66.4° | 3:47:07 am | 9:46:20 pm | 2:49:18 am | 10:44:09 pm | 8h 41m 43s | 🌔 (58%) |
| Mon, May 25 | 4:32:51 am | 5:07:10 am | 8:26:29 pm | 9:00:48 pm | 15h 19m 19s | 1m 52s | 12:46:50 pm | 66.6° | 3:45:54 am | 9:47:45 pm | 2:47:30 am | 10:46:09 pm | 8h 39m 54s | 🌔 (68%) |
| Tue, May 26 | 4:31:56 am | 5:06:23 am | 8:27:29 pm | 9:01:56 pm | 15h 21m 6s | 1m 47s | 12:46:56 pm | 66.7° | 3:44:45 am | 9:49:08 pm | 2:45:44 am | 10:48:08 pm | 8h 38m 9s | 🌔 (77%) |
| Wed, May 27 | 4:31:04 am | 5:05:38 am | 8:28:29 pm | 9:03:02 pm | 15h 22m 51s | 1m 45s | 12:47:03 pm | 66.9° | 3:43:37 am | 9:50:29 pm | 2:44:01 am | 10:50:06 pm | 8h 36m 25s | 🌔 (85%) |
| Thu, May 28 | 4:30:14 am | 5:04:54 am | 8:29:27 pm | 9:04:07 pm | 15h 24m 33s | 1m 42s | 12:47:11 pm | 67.1° | 3:42:33 am | 9:51:48 pm | 2:42:20 am | 10:52:01 pm | 8h 34m 47s | 🌔 (91%) |
| Fri, May 29 | 4:29:26 am | 5:04:14 am | 8:30:23 pm | 9:05:11 pm | 15h 26m 9s | 1m 36s | 12:47:19 pm | 67.2° | 3:41:31 am | 9:53:06 pm | 2:40:42 am | 10:53:55 pm | 8h 33m 12s | 🌔 (96%) |
| Sat, May 30 | 4:28:41 am | 5:03:35 am | 8:31:19 pm | 9:06:13 pm | 15h 27m 44s | 1m 35s | 12:47:27 pm | 67.4° | 3:40:32 am | 9:54:22 pm | 2:39:07 am | 10:55:46 pm | 8h 31m 40s | 🌔 (99%) |
| Sun, May 31 | 4:27:58 am | 5:02:59 am | 8:32:13 pm | 9:07:13 pm | 15h 29m 14s | 1m 30s | 12:47:36 pm | 67.5° | 3:39:35 am | 9:55:36 pm | 2:37:36 am | 10:57:36 pm | 8h 30m 11s | 🌕 (100%) |
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Sunrise and Sunset photos in Bison, SD
Enjoy this beautiful gallery of images of the sunset and sunrise at Bison, SD. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Bison, SD - 2026
The followin graph shows sunrise and sunset times in Bison, SD for every day of the year. There are two jumps in the graph that represent the hour change for Daylight Saving Time (DST) in Bison, SD.