Sunrise and sunset times in Riverton, WY
Check out today's and tomorrow's sunrise and sunset times in Riverton, WY, United States, as well as the whole calendar for May 2026.
Today
May 13, 2026 . Current time: 9:59:45 am
First light at 5:19:23 am
Sunrise time: 5:50:15 am
Sunset time: 8:29:30 pm
Last light at 9:00:22 pm
Day length: 14 hours, 39 minutes
10 hours, 29 minutes left for today's sunset in Riverton
Moon rose on May 13 at 02:49 AM
Moon will set on May 13 at 04:01 PMMoon phase: 🌘 Waning Crescent (14%)Tomorrow
May 14, 2026
First light at 5:18:11 am
Sunrise time: 5:49:10 am
Sunset time: 8:30:34 pm
Last light at 9:01:33 pm
Day length: 14 hours, 41 minutes
Tomorrow will be approximately 2 minutes longer than today in Riverton
Moon will rise on May 14 at 03:12 AM Moon will set on May 14 at 05:20 PMMoon phase: 🌘 Waning Crescent (4%)
- Riverton, Wyoming
- Latitude: 43.024960
- Longitude: -108.380104
- Time zone: Mountain Time MDT
Shortest day in Riverton, WY
The shortest day of the year will be in around 8 months, during the winter solstice on December 21, 2026, with a daylight length of 9 hours and 3 minutes.Longest day in Riverton, WY
The longest day of the year will be in 1 month and 6 days, during the summer solstice on June 20, 2026, with a daylight length of 15 hours and 25 minutes.
May 2026 - Riverton, Wyoming - 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 Riverton.
The day length increases by 1 hour, 0 minutes over the course of May 2026 in Riverton, WY - from 14 hours, 10 minutes on the first day to 15 hours, 11 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 | 5:35:34 am | 6:05:07 am | 8:16:03 pm | 8:45:36 pm | 14h 10m 56s | 14h 10m 56s | 1:10:35 pm | 58.3° | 4:57:17 am | 9:23:53 pm | 4:15:11 am | 10:05:59 pm | 9h 47m 42s | 🌕 (100%) |
| Sat, May 2 | 5:34:05 am | 6:03:45 am | 8:17:12 pm | 8:46:51 pm | 14h 13m 27s | 2m 31s | 1:10:28 pm | 58.6° | 4:55:37 am | 9:25:20 pm | 4:13:13 am | 10:07:44 pm | 9h 45m 12s | 🌖 (100%) |
| Sun, May 3 | 5:32:38 am | 6:02:24 am | 8:18:20 pm | 8:48:06 pm | 14h 15m 56s | 2m 29s | 1:10:22 pm | 58.9° | 4:53:58 am | 9:26:46 pm | 4:11:15 am | 10:09:30 pm | 9h 42m 45s | 🌖 (98%) |
| Mon, May 4 | 5:31:12 am | 6:01:05 am | 8:19:29 pm | 8:49:21 pm | 14h 18m 24s | 2m 28s | 1:10:17 pm | 59.2° | 4:52:21 am | 9:28:13 pm | 4:09:18 am | 10:11:16 pm | 9h 40m 18s | 🌖 (94%) |
| Tue, May 5 | 5:29:48 am | 5:59:47 am | 8:20:37 pm | 8:50:36 pm | 14h 20m 50s | 2m 26s | 1:10:12 pm | 59.4° | 4:50:44 am | 9:29:39 pm | 4:07:21 am | 10:13:02 pm | 9h 37m 53s | 🌖 (89%) |
| Wed, May 6 | 5:28:24 am | 5:58:30 am | 8:21:45 pm | 8:51:50 pm | 14h 23m 15s | 2m 25s | 1:10:07 pm | 59.7° | 4:49:09 am | 9:31:05 pm | 4:05:26 am | 10:14:48 pm | 9h 35m 30s | 🌖 (82%) |
| Thu, May 7 | 5:27:03 am | 5:57:15 am | 8:22:52 pm | 8:53:04 pm | 14h 25m 37s | 2m 22s | 1:10:03 pm | 60° | 4:47:35 am | 9:32:31 pm | 4:03:32 am | 10:16:35 pm | 9h 33m 9s | 🌖 (75%) |
| Fri, May 8 | 5:25:42 am | 5:56:01 am | 8:23:59 pm | 8:54:18 pm | 14h 27m 58s | 2m 21s | 1:10:00 pm | 60.3° | 4:46:03 am | 9:33:57 pm | 4:01:38 am | 10:18:22 pm | 9h 30m 49s | 🌖 (66%) |
| Sat, May 9 | 5:24:23 am | 5:54:48 am | 8:25:06 pm | 8:55:32 pm | 14h 30m 18s | 2m 20s | 1:09:57 pm | 60.5° | 4:44:32 am | 9:35:23 pm | 3:59:46 am | 10:20:09 pm | 9h 28m 32s | 🌖 (56%) |
| Sun, May 10 | 5:23:06 am | 5:53:38 am | 8:26:13 pm | 8:56:45 pm | 14h 32m 35s | 2m 17s | 1:09:55 pm | 60.8° | 4:43:02 am | 9:36:48 pm | 3:57:55 am | 10:21:56 pm | 9h 26m 15s | 🌗 (46%) |
| Mon, May 11 | 5:21:50 am | 5:52:28 am | 8:27:19 pm | 8:57:58 pm | 14h 34m 51s | 2m 16s | 1:09:54 pm | 61.1° | 4:41:34 am | 9:38:14 pm | 3:56:05 am | 10:23:42 pm | 9h 24m 2s | 🌘 (36%) |
| Tue, May 12 | 5:20:35 am | 5:51:21 am | 8:28:25 pm | 8:59:10 pm | 14h 37m 4s | 2m 13s | 1:09:53 pm | 61.3° | 4:40:07 am | 9:39:38 pm | 3:54:16 am | 10:25:29 pm | 9h 21m 50s | 🌘 (26%) |
| Wed, May 13 | 5:19:23 am | 5:50:15 am | 8:29:30 pm | 9:00:22 pm | 14h 39m 15s | 2m 11s | 1:09:52 pm | 61.6° | 4:38:42 am | 9:41:03 pm | 3:52:29 am | 10:27:16 pm | 9h 19m 40s | 🌘 (17%) |
| Thu, May 14 | 5:18:11 am | 5:49:10 am | 8:30:34 pm | 9:01:33 pm | 14h 41m 24s | 2m 9s | 1:09:52 pm | 61.8° | 4:37:18 am | 9:42:26 pm | 3:50:43 am | 10:29:02 pm | 9h 17m 34s | 🌘 (9%) |
| Fri, May 15 | 5:17:02 am | 5:48:08 am | 8:31:38 pm | 9:02:44 pm | 14h 43m 30s | 2m 6s | 1:09:53 pm | 62° | 4:35:57 am | 9:43:50 pm | 3:48:58 am | 10:30:48 pm | 9h 15m 29s | 🌘 (4%) |
| Sat, May 16 | 5:15:54 am | 5:47:07 am | 8:32:42 pm | 9:03:54 pm | 14h 45m 35s | 2m 5s | 1:09:54 pm | 62.3° | 4:34:37 am | 9:45:12 pm | 3:47:16 am | 10:32:33 pm | 9h 13m 25s | 🌘 (1%) |
| Sun, May 17 | 5:14:49 am | 5:46:07 am | 8:33:45 pm | 9:05:04 pm | 14h 47m 38s | 2m 3s | 1:09:56 pm | 62.5° | 4:33:18 am | 9:46:34 pm | 3:45:34 am | 10:34:18 pm | 9h 11m 25s | 🌑 (0%) |
| Mon, May 18 | 5:13:45 am | 5:45:10 am | 8:34:47 pm | 9:06:13 pm | 14h 49m 37s | 1m 59s | 1:09:59 pm | 62.7° | 4:32:02 am | 9:47:55 pm | 3:43:55 am | 10:36:02 pm | 9h 9m 27s | 🌒 (3%) |
| Tue, May 19 | 5:12:42 am | 5:44:14 am | 8:35:48 pm | 9:07:21 pm | 14h 51m 34s | 1m 57s | 1:10:01 pm | 62.9° | 4:30:47 am | 9:49:16 pm | 3:42:17 am | 10:37:46 pm | 9h 7m 33s | 🌒 (9%) |
| Wed, May 20 | 5:11:42 am | 5:43:21 am | 8:36:49 pm | 9:08:28 pm | 14h 53m 28s | 1m 54s | 1:10:05 pm | 63.1° | 4:29:35 am | 9:50:35 pm | 3:40:41 am | 10:39:28 pm | 9h 5m 40s | 🌒 (17%) |
| Thu, May 21 | 5:10:44 am | 5:42:29 am | 8:37:49 pm | 9:09:34 pm | 14h 55m 20s | 1m 52s | 1:10:09 pm | 63.3° | 4:28:24 am | 9:51:54 pm | 3:39:08 am | 10:41:10 pm | 9h 3m 50s | 🌒 (26%) |
| Fri, May 22 | 5:09:47 am | 5:41:39 am | 8:38:48 pm | 9:10:40 pm | 14h 57m 9s | 1m 49s | 1:10:13 pm | 63.5° | 4:27:16 am | 9:53:11 pm | 3:37:36 am | 10:42:51 pm | 9h 2m 3s | 🌒 (37%) |
| Sat, May 23 | 5:08:53 am | 5:40:51 am | 8:39:46 pm | 9:11:44 pm | 14h 58m 55s | 1m 46s | 1:10:19 pm | 63.7° | 4:26:10 am | 9:54:27 pm | 3:36:06 am | 10:44:31 pm | 9h 0m 19s | 🌓 (48%) |
| Sun, May 24 | 5:08:01 am | 5:40:05 am | 8:40:44 pm | 9:12:48 pm | 15h 0m 39s | 1m 44s | 1:10:24 pm | 63.9° | 4:25:06 am | 9:55:43 pm | 3:34:39 am | 10:46:09 pm | 8h 58m 36s | 🌔 (58%) |
| Mon, May 25 | 5:07:10 am | 5:39:20 am | 8:41:40 pm | 9:13:50 pm | 15h 2m 20s | 1m 41s | 1:10:30 pm | 64.1° | 4:24:04 am | 9:56:57 pm | 3:33:14 am | 10:47:46 pm | 8h 56m 58s | 🌔 (68%) |
| Tue, May 26 | 5:06:22 am | 5:38:38 am | 8:42:35 pm | 9:14:51 pm | 15h 3m 57s | 1m 37s | 1:10:37 pm | 64.3° | 4:23:04 am | 9:58:09 pm | 3:31:52 am | 10:49:22 pm | 8h 55m 23s | 🌔 (77%) |
| Wed, May 27 | 5:05:36 am | 5:37:58 am | 8:43:29 pm | 9:15:51 pm | 15h 5m 31s | 1m 34s | 1:10:44 pm | 64.4° | 4:22:07 am | 9:59:21 pm | 3:30:32 am | 10:50:56 pm | 8h 53m 51s | 🌔 (85%) |
| Thu, May 28 | 5:04:53 am | 5:37:20 am | 8:44:22 pm | 9:16:50 pm | 15h 7m 2s | 1m 31s | 1:10:51 pm | 64.6° | 4:21:12 am | 10:00:30 pm | 3:29:15 am | 10:52:28 pm | 8h 52m 22s | 🌔 (91%) |
| Fri, May 29 | 5:04:11 am | 5:36:44 am | 8:45:14 pm | 9:17:47 pm | 15h 8m 30s | 1m 28s | 1:10:59 pm | 64.7° | 4:20:20 am | 10:01:38 pm | 3:28:00 am | 10:53:58 pm | 8h 50m 56s | 🌔 (96%) |
| Sat, May 30 | 5:03:32 am | 5:36:10 am | 8:46:05 pm | 9:18:43 pm | 15h 9m 55s | 1m 25s | 1:11:08 pm | 64.9° | 4:19:30 am | 10:02:45 pm | 3:26:48 am | 10:55:27 pm | 8h 49m 33s | 🌔 (99%) |
| Sun, May 31 | 5:02:55 am | 5:35:38 am | 8:46:54 pm | 9:19:38 pm | 15h 11m 16s | 1m 21s | 1:11:16 pm | 65° | 4:18:43 am | 10:03:50 pm | 3:25:40 am | 10:56:53 pm | 8h 48m 14s | 🌕 (100%) |
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Sunrise and Sunset photos in Riverton, WY
Enjoy this beautiful gallery of images of the sunset and sunrise at Riverton, WY. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Riverton, WY - 2026
The followin graph shows sunrise and sunset times in Riverton, WY for every day of the year. There are two jumps in the graph that represent the hour change for Daylight Saving Time (DST) in Riverton, WY.