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
7:20 AM
100° EDawn 6:51 AM
Sunrise in Thermopolis will be at 7:20:07 AM MDT (in 2h 55m).
Sunset
6:36 PM
260° WDusk 7:05 PM
Sunset in Thermopolis will be at 6:36:20 PM MDT (in 14h 11m).
Now
7:20a6:36p
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Night now · First light at 5:44 AM
- Daylight
- 11h 16m
- Darkness
- 9h 47m
- Solar noon
- 12:58 PM
- Sun altitude
- 32.7° below
- Sun direction
- 68° ENE
Tomorrow
Sunrise
7:21 AM
100° EDawn 6:52 AM
Sunrise in Thermopolis will be at 7:21:20 AM MDT (in 26h 56m).
Sunset
6:34 PM
259° WDusk 7:03 PM
Sunset in Thermopolis will be at 6:34:41 PM MDT (in 38h 9m).
Moon tonight
Phase, moonrise and moonset in Thermopolis
Waxing Crescent
24% illuminated
- Moonrise
- 12:56 PM
- Moonset
- 9:10 PM
Calendar
Mountain Time · select a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Thu | 6:34 AM | 7:03 AM | 1:02 PM | 7:00 PM | 7:29 PM | 11h 57m 01s | |
| 2 Fri | 6:36 AM | 7:04 AM | 1:02 PM | 6:58 PM | 7:27 PM | 11h 54m 04s | |
| 3 Sat | 6:37 AM | 7:05 AM | 1:01 PM | 6:56 PM | 7:25 PM | 11h 51m 07s | |
| 4 Sun | 6:38 AM | 7:07 AM | 1:01 PM | 6:55 PM | 7:23 PM | 11h 48m 11s | |
| 5 Mon | 6:39 AM | 7:08 AM | 1:01 PM | 6:53 PM | 7:22 PM | 11h 45m 15s | |
| 6 Tue | 6:40 AM | 7:09 AM | 1:00 PM | 6:51 PM | 7:20 PM | 11h 42m 19s | |
| 7 Wed | 6:41 AM | 7:10 AM | 1:00 PM | 6:49 PM | 7:18 PM | 11h 39m 23s | |
| 8 Thu | 6:43 AM | 7:11 AM | 1:00 PM | 6:48 PM | 7:16 PM | 11h 36m 27s | |
| 9 Fri | 6:44 AM | 7:12 AM | 1:00 PM | 6:46 PM | 7:15 PM | 11h 33m 32s | |
| 10 Sat | 6:45 AM | 7:14 AM | 12:59 PM | 6:44 PM | 7:13 PM | 11h 30m 38s | |
| 11 Sun | 6:46 AM | 7:15 AM | 12:59 PM | 6:43 PM | 7:11 PM | 11h 27m 44s | |
| 12 Mon | 6:47 AM | 7:16 AM | 12:59 PM | 6:41 PM | 7:10 PM | 11h 24m 50s | |
| 13 Tue | 6:48 AM | 7:17 AM | 12:59 PM | 6:39 PM | 7:08 PM | 11h 21m 57s | |
| 14 Wed | 6:50 AM | 7:18 AM | 12:58 PM | 6:37 PM | 7:06 PM | 11h 19m 04s | |
| 15 Thu | 6:51 AM | 7:20 AM | 12:58 PM | 6:36 PM | 7:05 PM | 11h 16m 12s | |
Thursday, October 15 11h 16m 12s of daylight·−2m 52s vs. yesterday·twilight 6:51 AM – 7:05 PM Time 4:25 AM Altitude -32.7° Heading 68° ENE Light Night 4:25 AM, Night, altitude -32.7 degrees | |||||||
| 16 Fri | 6:52 AM | 7:21 AM | 12:58 PM | 6:34 PM | 7:03 PM | 11h 13m 20s | |
| 17 Sat | 6:53 AM | 7:22 AM | 12:58 PM | 6:33 PM | 7:01 PM | 11h 10m 30s | |
| 18 Sun | 6:54 AM | 7:23 AM | 12:57 PM | 6:31 PM | 7:00 PM | 11h 07m 39s | |
| 19 Mon | 6:56 AM | 7:25 AM | 12:57 PM | 6:29 PM | 6:58 PM | 11h 04m 50s | |
| 20 Tue | 6:57 AM | 7:26 AM | 12:57 PM | 6:28 PM | 6:57 PM | 11h 02m 01s | |
| 21 Wed | 6:58 AM | 7:27 AM | 12:57 PM | 6:26 PM | 6:55 PM | 10h 59m 13s | |
| 22 Thu | 6:59 AM | 7:28 AM | 12:57 PM | 6:25 PM | 6:54 PM | 10h 56m 25s | |
| 23 Fri | 7:00 AM | 7:30 AM | 12:57 PM | 6:23 PM | 6:52 PM | 10h 53m 39s | |
| 24 Sat | 7:02 AM | 7:31 AM | 12:57 PM | 6:22 PM | 6:51 PM | 10h 50m 53s | |
| 25 Sun | 7:03 AM | 7:32 AM | 12:56 PM | 6:20 PM | 6:49 PM | 10h 48m 09s | |
| 26 Mon | 7:04 AM | 7:33 AM | 12:56 PM | 6:19 PM | 6:48 PM | 10h 45m 25s | |
| 27 Tue | 7:05 AM | 7:35 AM | 12:56 PM | 6:17 PM | 6:47 PM | 10h 42m 42s | |
| 28 Wed | 7:06 AM | 7:36 AM | 12:56 PM | 6:16 PM | 6:45 PM | 10h 40m 01s | |
| 29 Thu | 7:08 AM | 7:37 AM | 12:56 PM | 6:14 PM | 6:44 PM | 10h 37m 20s | |
| 30 Fri | 7:09 AM | 7:38 AM | 12:56 PM | 6:13 PM | 6:43 PM | 10h 34m 41s | |
| 31 Sat | 7:10 AM | 7:40 AM | 12:56 PM | 6:12 PM | 6:41 PM | 10h 32m 03s | |
Photos
Sunrise and sunset photos of Thermopolis from Flickr.
Hill at SunsetView on Flickr
The Sun SetsView on Flickr
Sunset North of Thermopolis Wyoming, USAView on Flickr
Snowy Tracks on a Dirt RoadView on Flickr
View on Flickr
Bighorn River at DuskView on Flickr
Cooling Pond, 2View on Flickr
Cooling Pond, 3View on Flickr
Cooling Pond, 4View on Flickr
Sunset on the Big Horn RiverView on Flickr
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 (Thursday, October 15, 2026) is at 7:20 AM. The sun comes up in the E.
- What time does the sun set in Thermopolis today?
- Sunset today is at 6:36 PM, after 11h 16m of daylight.
- When does it get dark in Thermopolis tonight?
- Civil twilight ends at 7:05 PM. After that you need artificial light for most things outdoors. Astronomical twilight ends at 8:11 PM, which is when night starts by the standard definition.How long after sunset it gets dark
- 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.More on the summer solstice
- 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 Sunday, June 14, 2026, when the sun comes up at 5:30 AM.
- When is the latest sunset in Thermopolis?
- The latest sunset is on Friday, June 26, 2026 at 8:58 PM.
- When is the earliest sunset in Thermopolis?
- The earliest sunset of the year is on Tuesday, December 8, 2026, with the sun down by 4:35 PM.Why it comes before the shortest day
- When is the latest sunrise in Thermopolis?
- The latest sunrise is on Saturday, October 31, 2026 at 7:47 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