8M3 Yellowstone night times
West Yellowstone, MT · Seaplane base
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:07 PMto7:12 AM
Sunset to sunrise. Lights on.
0007Z to 1412Z
Night logging
§ 1.15:38 PMto6:41 AM
Civil twilight. Log it as night.
0038Z to 1341Z
Night currency
§ 61.57(b)6:07 PMto6:12 AM
One hour after sunset. Landings count.
0107Z to 1312Z
Evenings at 8M3
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:13 PM | 5:44 PM | 6:13 PM |
| Nov 15MST | 4:56 PM | 5:28 PM | 5:56 PM |
| Dec 1MST | 4:46 PM | 5:19 PM | 5:46 PM |
| Dec 15MST | 4:45 PM | 5:18 PM | 5:45 PM |
| Jan 1MST | 4:55 PM | 5:28 PM | 5:55 PM |
| Jan 15MST | 5:10 PM | 5:43 PM | 6:10 PM |
| Feb 1MST | 5:33 PM | 6:05 PM | 6:33 PM |
| Feb 15MST | 5:53 PM | 6:23 PM | 6:53 PM |
| Mar 1MST | 6:13 PM | 6:42 PM | 7:13 PM |
| Mar 15MDT | 7:31 PM | 8:00 PM | 8:31 PM |
| Apr 1MDT | 7:53 PM | 8:22 PM | 8:53 PM |
| Apr 15MDT | 8:10 PM | 8:41 PM | 9:10 PM |
| May 1MDT | 8:30 PM | 9:03 PM | 9:30 PM |
| May 15MDT | 8:47 PM | 9:21 PM | 9:47 PM |
| Jun 1MDT | 9:04 PM | 9:40 PM | 10:04 PM |
| Jun 15MDT | 9:13 PM | 9:50 PM | 10:13 PM |
| Jul 1MDT | 9:15 PM | 9:52 PM | 10:15 PM |
| Jul 15MDT | 9:08 PM | 9:44 PM | 10:08 PM |
| Aug 1MDT | 8:51 PM | 9:25 PM | 9:51 PM |
| Aug 15MDT | 8:31 PM | 9:03 PM | 9:31 PM |
| Sep 1MDT | 8:02 PM | 8:32 PM | 9:02 PM |
| Sep 15MDT | 7:36 PM | 8:05 PM | 8:36 PM |
| Oct 1MDT | 7:06 PM | 7:35 PM | 8:06 PM |
| Oct 15MDT | 6:41 PM | 7:10 PM | 7:41 PM |
Mornings at 8M3
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 6:04 AM | 6:33 AM | 7:04 AM |
| Nov 15MST | 6:23 AM | 6:51 AM | 7:23 AM |
| Dec 1MST | 6:43 AM | 7:10 AM | 7:43 AM |
| Dec 15MST | 6:56 AM | 7:22 AM | 7:56 AM |
| Jan 1MST | 7:03 AM | 7:29 AM | 8:03 AM |
| Jan 15MST | 6:59 AM | 7:27 AM | 7:59 AM |
| Feb 1MST | 6:45 AM | 7:13 AM | 7:45 AM |
| Feb 15MST | 6:26 AM | 6:56 AM | 7:26 AM |
| Mar 1MST | 6:03 AM | 6:34 AM | 7:03 AM |
| Mar 15MDT | 6:38 AM | 7:09 AM | 7:38 AM |
| Apr 1MDT | 6:06 AM | 6:37 AM | 7:06 AM |
| Apr 15MDT | 5:41 AM | 6:10 AM | 6:41 AM |
| May 1MDT | 5:15 AM | 5:43 AM | 6:15 AM |
| May 15MDT | 4:57 AM | 5:23 AM | 5:57 AM |
| Jun 1MDT | 4:42 AM | 5:06 AM | 5:42 AM |
| Jun 15MDT | 4:39 AM | 5:01 AM | 5:39 AM |
| Jul 1MDT | 4:43 AM | 5:06 AM | 5:43 AM |
| Jul 15MDT | 4:53 AM | 5:18 AM | 5:53 AM |
| Aug 1MDT | 5:11 AM | 5:37 AM | 6:11 AM |
| Aug 15MDT | 5:27 AM | 5:55 AM | 6:27 AM |
| Sep 1MDT | 5:47 AM | 6:17 AM | 6:47 AM |
| Sep 15MDT | 6:04 AM | 6:34 AM | 7:04 AM |
| Oct 1MDT | 6:23 AM | 6:54 AM | 7:23 AM |
| Oct 15MDT | 6:41 AM | 7:11 AM | 7:41 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 13W/31W
12,007 × 3000 ft · Water
Frequencies
Night at 8M3, in short
When can I log night time at 8M3?
From the end of evening civil twilight to the beginning of morning civil twilight, when the sun is 6° below the horizon (14 CFR 1.1). On the night of Nov 6, 2026, that was 5:38 PM to 6:41 AM MST.
When do landings at 8M3 count for night currency?
From one hour after sunset to one hour before sunrise. To carry passengers at night you need 3 takeoffs and 3 full-stop landings in that period within the last 90 days (14 CFR 61.57(b)). On the night of Nov 6, 2026, that was 6:07 PM to 6:12 AM MST.
When are position lights required at 8M3?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:07 PM to 7:12 AM MST.
Nearby airports
- KWYS Yellowstone West Yellowstone, MT · 11 nm
- U53 Henrys Lake Island Park, ID · 12 nm
- 29S Gardiner Gardiner, MT · 27 nm
- KEKS Ennis Big Sky Ennis, MT · 31 nm
- U12 Stanford Field St Anthony, ID · 56 nm
- U41 Dubois Municipal Dubois, ID · 57 nm
Times are worked out from the sun's position for a sea-level horizon, rounded to the minute. Airport data from the FAA NASR cycle of Oct 29, 2026.