What time is sunrise and sunset in Thermopolis?
Today and tomorrow's sunrise and sunset times in Thermopolis, Wyoming. Plus a monthly calendar with dawn, dusk, solar noon, and day length.
Today
Sunrise
6:32 AM
78° ENEDawn 6:03 AM
Sunrise in Thermopolis will be at 6:32:54 AM MDT (in 4 hours).
Sunset
7:49 PM
282° WNWDusk 8:19 PM
Sunset in Thermopolis will be at 7:49:51 PM MDT (in 18 hours).
Now
6:32a7:49p
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Night now · First light at 4:50 AM
- Daylight
- 13h 16m
- Darkness
- 7h 33m
- Solar noon
- 1:11 PM
- Sun altitude
- 37.6° below
- Sun direction
- 17° NNE
Tomorrow
Sunrise
6:34 AM
79° ENEDawn 6:04 AM
Sunrise in Thermopolis will be at 6:34:02 AM MDT (in 28 hours).
Sunset
7:48 PM
281° WDusk 8:17 PM
Sunset in Thermopolis will be at 7:48:03 PM MDT (in 42 hours).
Moon tonight
Phase, moonrise and moonset in Thermopolis
Last Quarter
45% illuminated
- Moonrise
- 11:50 PM
- Moonset
- 3:31 PM
Calendar
America/Denver · click a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Tue | 5:59 am | 6:29 am | 1:12 pm | 7:55 pm | 8:24 pm | 13:25:41 | |
| 2 Wed | 6:00 am | 6:30 am | 1:12 pm | 7:53 pm | 8:23 pm | 13:22:47 | |
| 3 Thu | 6:02 am | 6:31 am | 1:12 pm | 7:51 pm | 8:21 pm | 13:19:52 | |
| 4 Fri | 6:03 am | 6:32 am | 1:11 pm | 7:49 pm | 8:19 pm | 13:16:57 | |
Friday, September 4 13:16:57 of daylight·−2m 55s vs. yesterday·twilight 6:03 am – 8:19 pm Time 2:06 AM Altitude -37.6° Heading 17° NNE Light Night 2:06 AM, Night, altitude -37.6 degrees | |||||||
| 5 Sat | 6:04 am | 6:34 am | 1:11 pm | 7:48 pm | 8:17 pm | 13:14:01 | |
| 6 Sun | 6:05 am | 6:35 am | 1:11 pm | 7:46 pm | 8:15 pm | 13:11:05 | |
| 7 Mon | 6:06 am | 6:36 am | 1:10 pm | 7:44 pm | 8:13 pm | 13:08:09 | |
| 8 Tue | 6:08 am | 6:37 am | 1:10 pm | 7:42 pm | 8:11 pm | 13:05:12 | |
| 9 Wed | 6:09 am | 6:38 am | 1:10 pm | 7:40 pm | 8:09 pm | 13:02:15 | |
| 10 Thu | 6:10 am | 6:39 am | 1:09 pm | 7:38 pm | 8:08 pm | 12:59:18 | |
| 11 Fri | 6:11 am | 6:40 am | 1:09 pm | 7:37 pm | 8:06 pm | 12:56:21 | |
| 12 Sat | 6:12 am | 6:41 am | 1:09 pm | 7:35 pm | 8:04 pm | 12:53:23 | |
| 13 Sun | 6:14 am | 6:43 am | 1:08 pm | 7:33 pm | 8:02 pm | 12:50:26 | |
| 14 Mon | 6:15 am | 6:44 am | 1:08 pm | 7:31 pm | 8:00 pm | 12:47:28 | |
| 15 Tue | 6:16 am | 6:45 am | 1:07 pm | 7:29 pm | 7:58 pm | 12:44:30 | |
| 16 Wed | 6:17 am | 6:46 am | 1:07 pm | 7:27 pm | 7:56 pm | 12:41:32 | |
| 17 Thu | 6:18 am | 6:47 am | 1:07 pm | 7:26 pm | 7:54 pm | 12:38:34 | |
| 18 Fri | 6:19 am | 6:48 am | 1:06 pm | 7:24 pm | 7:53 pm | 12:35:35 | |
| 19 Sat | 6:21 am | 6:49 am | 1:06 pm | 7:22 pm | 7:51 pm | 12:32:37 | |
| 20 Sun | 6:22 am | 6:50 am | 1:06 pm | 7:20 pm | 7:49 pm | 12:29:39 | |
| 21 Mon | 6:23 am | 6:52 am | 1:05 pm | 7:18 pm | 7:47 pm | 12:26:41 | |
| 22 Tue | 6:24 am | 6:53 am | 1:05 pm | 7:16 pm | 7:45 pm | 12:23:42 | |
| 23 Wed | 6:25 am | 6:54 am | 1:05 pm | 7:15 pm | 7:43 pm | 12:20:44 | |
| 24 Thu | 6:26 am | 6:55 am | 1:04 pm | 7:13 pm | 7:41 pm | 12:17:46 | |
| 25 Fri | 6:28 am | 6:56 am | 1:04 pm | 7:11 pm | 7:40 pm | 12:14:48 | |
| 26 Sat | 6:29 am | 6:57 am | 1:04 pm | 7:09 pm | 7:38 pm | 12:11:50 | |
| 27 Sun | 6:30 am | 6:58 am | 1:03 pm | 7:07 pm | 7:36 pm | 12:08:52 | |
| 28 Mon | 6:31 am | 7:00 am | 1:03 pm | 7:05 pm | 7:34 pm | 12:05:54 | |
| 29 Tue | 6:32 am | 7:01 am | 1:03 pm | 7:04 pm | 7:32 pm | 12:02:56 | |
| 30 Wed | 6:33 am | 7:02 am | 1:02 pm | 7:02 pm | 7:30 pm | 11:59:59 | |
FAQ
Frequently asked questions about sunrise and sunset in Thermopolis, United States
- What time does the sun rise in Thermopolis today?
- Sunrise in Thermopolis today (Friday, September 4, 2026) is at 6:32 AM. The sun comes up in the ENE.
- What time does the sun set in Thermopolis today?
- Sunset today is at 7:49 PM, after 13h 16m of daylight.
- When is the longest day in Thermopolis, United States?
- The longest day of 2026 in Thermopolis is Sunday, June 21, 2026, the summer solstice, with 15h 26m of daylight. In 2027 the summer solstice falls on June 21, 2027.
- When is the shortest day in Thermopolis, United States?
- The shortest day of 2026 in Thermopolis, Wyoming is Monday, December 21, 2026, the winter solstice, with 8h 55m of daylight. In 2027 the winter solstice lands on December 21, 2027.
- How much more daylight does Thermopolis get in summer than in winter?
- Thermopolis gets 6h 30m more daylight on its longest day than on its shortest (15h 26m against 8h 55m). Averaged across the year, a day here has 12h 13m of daylight.
- When is the earliest sunrise in Thermopolis?
- The earliest sunrise of 2026 in Thermopolis is on Monday, June 15, 2026, when the sun comes up at 5:32 AM.
- When is the latest sunset in Thermopolis?
- The latest sunset is on Friday, June 26, 2026 at 8:59 PM.
- When is the earliest sunset in Thermopolis?
- The earliest sunset of the year is on Wednesday, December 9, 2026, with the sun down by 4:37 PM.
- When is the latest sunrise in Thermopolis?
- The latest sunrise is on Saturday, October 31, 2026 at 7:48 AM.
- Does Thermopolis observe daylight saving time?
- Yes. Thermopolis 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=43.64607&lng=-108.21204