Sunrise and sunset times in Thermopolis, WY
Check out today's and tomorrow's sunrise and sunset times in Thermopolis, WY, United States, as well as the whole calendar for May 2026.
Today
May 13, 2026 . Current time: 11:08:14 am
First light at 5:16:31 am
Sunrise time: 5:47:50 am
Sunset time: 8:30:34 pm
Last light at 9:01:53 pm
Day length: 14 hours, 42 minutes
9 hours, 22 minutes left for today's sunset in Thermopolis
Moon rose on May 13 at 02:48 AM
Moon will set on May 13 at 04:01 PMMoon phase: 🌘 Waning Crescent (13%)Tomorrow
May 14, 2026
First light at 5:15:18 am
Sunrise time: 5:46:44 am
Sunset time: 8:31:40 pm
Last light at 9:03:06 pm
Day length: 14 hours, 44 minutes
Tomorrow will be approximately 2 minutes longer than today in Thermopolis
Moon will rise on May 14 at 03:11 AM Moon will set on May 14 at 05:20 PMMoon phase: 🌘 Waning Crescent (4%)
- Thermopolis, Wyoming
- Latitude: 43.646069
- Longitude: -108.212044
- Time zone: Mountain Time MDT
Shortest day in Thermopolis, 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 8 hours and 59 minutes.Longest day in Thermopolis, 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 29 minutes.
May 2026 - Thermopolis, 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 Thermopolis.
The day length increases by 1 hour, 1 minute over the course of May 2026 in Thermopolis, WY - from 14 hours, 13 minutes on the first day to 15 hours, 15 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 | 5:33:06 am | 6:03:02 am | 8:16:47 pm | 8:46:43 pm | 14h 13m 45s | 14h 13m 45s | 1:09:55 pm | 58.9° | 4:54:14 am | 9:25:35 pm | 4:11:17 am | 10:08:32 pm | 9h 44m 52s | 🌕 (100%) |
| Sat, May 2 | 5:31:36 am | 6:01:39 am | 8:17:57 pm | 8:48:00 pm | 14h 16m 18s | 2m 33s | 1:09:48 pm | 59.2° | 4:52:32 am | 9:27:04 pm | 4:09:15 am | 10:10:21 pm | 9h 42m 19s | 🌖 (100%) |
| Sun, May 3 | 5:30:07 am | 6:00:16 am | 8:19:08 pm | 8:49:17 pm | 14h 18m 52s | 2m 34s | 1:09:42 pm | 59.5° | 4:50:50 am | 9:28:33 pm | 4:07:13 am | 10:12:11 pm | 9h 39m 47s | 🌖 (98%) |
| Mon, May 4 | 5:28:39 am | 5:58:55 am | 8:20:18 pm | 8:50:34 pm | 14h 21m 23s | 2m 31s | 1:09:36 pm | 59.8° | 4:49:10 am | 9:30:02 pm | 4:05:12 am | 10:14:01 pm | 9h 37m 17s | 🌖 (94%) |
| Tue, May 5 | 5:27:12 am | 5:57:35 am | 8:21:28 pm | 8:51:50 pm | 14h 23m 53s | 2m 30s | 1:09:31 pm | 60.1° | 4:47:31 am | 9:31:31 pm | 4:03:11 am | 10:15:51 pm | 9h 34m 48s | 🌖 (89%) |
| Wed, May 6 | 5:25:47 am | 5:56:16 am | 8:22:37 pm | 8:53:07 pm | 14h 26m 21s | 2m 28s | 1:09:27 pm | 60.4° | 4:45:53 am | 9:33:00 pm | 4:01:12 am | 10:17:42 pm | 9h 32m 22s | 🌖 (82%) |
| Thu, May 7 | 5:24:23 am | 5:54:59 am | 8:23:47 pm | 8:54:23 pm | 14h 28m 48s | 2m 27s | 1:09:23 pm | 60.6° | 4:44:17 am | 9:34:29 pm | 3:59:13 am | 10:19:33 pm | 9h 29m 57s | 🌖 (75%) |
| Fri, May 8 | 5:23:01 am | 5:53:44 am | 8:24:56 pm | 8:55:39 pm | 14h 31m 12s | 2m 24s | 1:09:20 pm | 60.9° | 4:42:42 am | 9:35:58 pm | 3:57:16 am | 10:21:24 pm | 9h 27m 34s | 🌖 (66%) |
| Sat, May 9 | 5:21:40 am | 5:52:30 am | 8:26:04 pm | 8:56:54 pm | 14h 33m 34s | 2m 22s | 1:09:17 pm | 61.2° | 4:41:08 am | 9:37:26 pm | 3:55:19 am | 10:23:15 pm | 9h 25m 13s | 🌖 (56%) |
| Sun, May 10 | 5:20:20 am | 5:51:17 am | 8:27:12 pm | 8:58:10 pm | 14h 35m 55s | 2m 21s | 1:09:15 pm | 61.4° | 4:39:36 am | 9:38:54 pm | 3:53:23 am | 10:25:06 pm | 9h 22m 55s | 🌗 (46%) |
| Mon, May 11 | 5:19:02 am | 5:50:07 am | 8:28:20 pm | 8:59:24 pm | 14h 38m 13s | 2m 18s | 1:09:13 pm | 61.7° | 4:38:05 am | 9:40:22 pm | 3:51:29 am | 10:26:57 pm | 9h 20m 37s | 🌘 (36%) |
| Tue, May 12 | 5:17:46 am | 5:48:57 am | 8:29:27 pm | 9:00:39 pm | 14h 40m 30s | 2m 17s | 1:09:12 pm | 61.9° | 4:36:35 am | 9:41:49 pm | 3:49:36 am | 10:28:49 pm | 9h 18m 23s | 🌘 (26%) |
| Wed, May 13 | 5:16:31 am | 5:47:50 am | 8:30:34 pm | 9:01:53 pm | 14h 42m 44s | 2m 14s | 1:09:12 pm | 62.2° | 4:35:08 am | 9:43:16 pm | 3:47:44 am | 10:30:39 pm | 9h 16m 10s | 🌘 (17%) |
| Thu, May 14 | 5:15:18 am | 5:46:44 am | 8:31:40 pm | 9:03:06 pm | 14h 44m 56s | 2m 12s | 1:09:12 pm | 62.4° | 4:33:41 am | 9:44:43 pm | 3:45:54 am | 10:32:30 pm | 9h 13m 59s | 🌘 (9%) |
| Fri, May 15 | 5:14:07 am | 5:45:39 am | 8:32:46 pm | 9:04:18 pm | 14h 47m 7s | 2m 11s | 1:09:13 pm | 62.7° | 4:32:17 am | 9:46:08 pm | 3:44:05 am | 10:34:21 pm | 9h 11m 51s | 🌘 (4%) |
| Sat, May 16 | 5:12:57 am | 5:44:37 am | 8:33:51 pm | 9:05:30 pm | 14h 49m 14s | 2m 7s | 1:09:14 pm | 62.9° | 4:30:54 am | 9:47:34 pm | 3:42:17 am | 10:36:11 pm | 9h 9m 45s | 🌘 (1%) |
| Sun, May 17 | 5:11:50 am | 5:43:36 am | 8:34:55 pm | 9:06:42 pm | 14h 51m 19s | 2m 5s | 1:09:16 pm | 63.1° | 4:29:34 am | 9:48:58 pm | 3:40:32 am | 10:38:00 pm | 9h 7m 42s | 🌑 (0%) |
| Mon, May 18 | 5:10:44 am | 5:42:37 am | 8:35:59 pm | 9:07:52 pm | 14h 53m 22s | 2m 3s | 1:09:18 pm | 63.3° | 4:28:15 am | 9:50:22 pm | 3:38:47 am | 10:39:49 pm | 9h 5m 41s | 🌒 (3%) |
| Tue, May 19 | 5:09:40 am | 5:41:40 am | 8:37:02 pm | 9:09:02 pm | 14h 55m 22s | 2m 0s | 1:09:21 pm | 63.5° | 4:26:58 am | 9:51:45 pm | 3:37:05 am | 10:41:37 pm | 9h 3m 43s | 🌒 (9%) |
| Wed, May 20 | 5:08:38 am | 5:40:45 am | 8:38:04 pm | 9:10:11 pm | 14h 57m 19s | 1m 57s | 1:09:25 pm | 63.7° | 4:25:43 am | 9:53:07 pm | 3:35:25 am | 10:43:25 pm | 9h 1m 48s | 🌒 (17%) |
| Thu, May 21 | 5:07:38 am | 5:39:52 am | 8:39:06 pm | 9:11:19 pm | 14h 59m 14s | 1m 55s | 1:09:29 pm | 64° | 4:24:30 am | 9:54:28 pm | 3:33:46 am | 10:45:11 pm | 8h 59m 54s | 🌒 (26%) |
| Fri, May 22 | 5:06:40 am | 5:39:00 am | 8:40:06 pm | 9:12:26 pm | 15h 1m 6s | 1m 52s | 1:09:33 pm | 64.1° | 4:23:19 am | 9:55:48 pm | 3:32:10 am | 10:46:57 pm | 8h 58m 5s | 🌒 (37%) |
| Sat, May 23 | 5:05:44 am | 5:38:11 am | 8:41:06 pm | 9:13:33 pm | 15h 2m 55s | 1m 49s | 1:09:38 pm | 64.3° | 4:22:10 am | 9:57:06 pm | 3:30:35 am | 10:48:41 pm | 8h 56m 17s | 🌓 (48%) |
| Sun, May 24 | 5:04:50 am | 5:37:23 am | 8:42:04 pm | 9:14:38 pm | 15h 4m 41s | 1m 46s | 1:09:44 pm | 64.5° | 4:21:04 am | 9:58:24 pm | 3:29:03 am | 10:50:24 pm | 8h 54m 34s | 🌔 (58%) |
| Mon, May 25 | 5:03:58 am | 5:36:38 am | 8:43:02 pm | 9:15:42 pm | 15h 6m 24s | 1m 43s | 1:09:50 pm | 64.7° | 4:19:59 am | 9:59:40 pm | 3:27:34 am | 10:52:06 pm | 8h 52m 53s | 🌔 (68%) |
| Tue, May 26 | 5:03:08 am | 5:35:55 am | 8:43:58 pm | 9:16:44 pm | 15h 8m 3s | 1m 39s | 1:09:56 pm | 64.9° | 4:18:58 am | 10:00:55 pm | 3:26:06 am | 10:53:46 pm | 8h 51m 15s | 🌔 (77%) |
| Wed, May 27 | 5:02:21 am | 5:35:13 am | 8:44:54 pm | 9:17:46 pm | 15h 9m 41s | 1m 38s | 1:10:03 pm | 65° | 4:17:58 am | 10:02:09 pm | 3:24:42 am | 10:55:25 pm | 8h 49m 40s | 🌔 (85%) |
| Thu, May 28 | 5:01:36 am | 5:34:34 am | 8:45:48 pm | 9:18:46 pm | 15h 11m 14s | 1m 33s | 1:10:11 pm | 65.2° | 4:17:01 am | 10:03:21 pm | 3:23:20 am | 10:57:02 pm | 8h 48m 9s | 🌔 (91%) |
| Fri, May 29 | 5:00:53 am | 5:33:57 am | 8:46:41 pm | 9:19:45 pm | 15h 12m 44s | 1m 30s | 1:10:19 pm | 65.4° | 4:16:07 am | 10:04:31 pm | 3:22:01 am | 10:58:37 pm | 8h 46m 41s | 🌔 (96%) |
| Sat, May 30 | 5:00:12 am | 5:33:22 am | 8:47:33 pm | 9:20:42 pm | 15h 14m 11s | 1m 27s | 1:10:27 pm | 65.5° | 4:15:15 am | 10:05:40 pm | 3:20:45 am | 11:00:10 pm | 8h 45m 16s | 🌔 (99%) |
| Sun, May 31 | 4:59:34 am | 5:32:49 am | 8:48:23 pm | 9:21:38 pm | 15h 15m 34s | 1m 23s | 1:10:36 pm | 65.6° | 4:14:25 am | 10:06:47 pm | 3:19:31 am | 11:01:41 pm | 8h 43m 55s | 🌕 (100%) |
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Sunrise and Sunset photos in Thermopolis, WY
Enjoy this beautiful gallery of images of the sunset and sunrise at Thermopolis, WY. All images provided by our fantastic community of photographers!
Year distribution of sunrise and sunset times in Thermopolis, WY - 2026
The followin graph shows sunrise and sunset times in Thermopolis, 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 Thermopolis, WY.