37S Fort Peck night times
Fort Peck, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:40 PMto7:00 AM
Sunset to sunrise. Lights on.
2340Z to 1400Z
Night logging
§ 1.15:13 PMto6:27 AM
Civil twilight. Log it as night.
0013Z to 1327Z
Night currency
§ 61.57(b)5:40 PMto6:00 AM
One hour after sunset. Landings count.
0040Z to 1300Z
Evenings at 37S
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:47 PM | 5:20 PM | 5:47 PM |
| Nov 15MST | 4:28 PM | 5:02 PM | 5:28 PM |
| Dec 1MST | 4:15 PM | 4:50 PM | 5:15 PM |
| Dec 15MST | 4:13 PM | 4:49 PM | 5:13 PM |
| Jan 1MST | 4:23 PM | 5:00 PM | 5:23 PM |
| Jan 15MST | 4:40 PM | 5:15 PM | 5:40 PM |
| Feb 1MST | 5:06 PM | 5:39 PM | 6:06 PM |
| Feb 15MST | 5:28 PM | 6:00 PM | 6:28 PM |
| Mar 1MST | 5:50 PM | 6:21 PM | 6:50 PM |
| Mar 15MDT | 7:11 PM | 7:42 PM | 8:11 PM |
| Apr 1MDT | 7:36 PM | 8:08 PM | 8:36 PM |
| Apr 15MDT | 7:56 PM | 8:29 PM | 8:56 PM |
| May 1MDT | 8:19 PM | 8:54 PM | 9:19 PM |
| May 15MDT | 8:38 PM | 9:15 PM | 9:38 PM |
| Jun 1MDT | 8:57 PM | 9:37 PM | 9:57 PM |
| Jun 15MDT | 9:07 PM | 9:48 PM | 10:07 PM |
| Jul 1MDT | 9:09 PM | 9:50 PM | 10:09 PM |
| Jul 15MDT | 9:01 PM | 9:40 PM | 10:01 PM |
| Aug 1MDT | 8:42 PM | 9:18 PM | 9:42 PM |
| Aug 15MDT | 8:19 PM | 8:53 PM | 9:19 PM |
| Sep 1MDT | 7:47 PM | 8:19 PM | 8:47 PM |
| Sep 15MDT | 7:18 PM | 7:50 PM | 8:18 PM |
| Oct 1MDT | 6:45 PM | 7:16 PM | 7:45 PM |
| Oct 15MDT | 6:17 PM | 6:49 PM | 7:17 PM |
Mornings at 37S
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:51 AM | 6:19 AM | 6:51 AM |
| Nov 15MST | 6:13 AM | 6:39 AM | 7:13 AM |
| Dec 1MST | 6:35 AM | 6:59 AM | 7:35 AM |
| Dec 15MST | 6:49 AM | 7:13 AM | 7:49 AM |
| Jan 1MST | 6:56 AM | 7:20 AM | 7:56 AM |
| Jan 15MST | 6:51 AM | 7:16 AM | 7:51 AM |
| Feb 1MST | 6:34 AM | 7:00 AM | 7:34 AM |
| Feb 15MST | 6:12 AM | 6:40 AM | 7:12 AM |
| Mar 1MST | 5:47 AM | 6:16 AM | 6:47 AM |
| Mar 15MDT | 6:19 AM | 6:48 AM | 7:19 AM |
| Apr 1MDT | 5:44 AM | 6:13 AM | 6:44 AM |
| Apr 15MDT | 5:17 AM | 5:44 AM | 6:17 AM |
| May 1MDT | 4:48 AM | 5:13 AM | 5:48 AM |
| May 15MDT | 4:27 AM | 4:50 AM | 5:27 AM |
| Jun 1MDT | 4:11 AM | 4:31 AM | 5:11 AM |
| Jun 15MDT | 4:06 AM | 4:25 AM | 5:06 AM |
| Jul 1MDT | 4:10 AM | 4:30 AM | 5:10 AM |
| Jul 15MDT | 4:22 AM | 4:43 AM | 5:22 AM |
| Aug 1MDT | 4:42 AM | 5:06 AM | 5:42 AM |
| Aug 15MDT | 5:01 AM | 5:26 AM | 6:01 AM |
| Sep 1MDT | 5:24 AM | 5:52 AM | 6:24 AM |
| Sep 15MDT | 5:43 AM | 6:12 AM | 6:43 AM |
| Oct 1MDT | 6:05 AM | 6:34 AM | 7:05 AM |
| Oct 15MDT | 6:25 AM | 6:54 AM | 7:25 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 05/23
2,700 × 100 ft · Turf
Runway 12/30
4,100 × 125 ft · Turf
Frequencies
Night at 37S, in short
When can I log night time at 37S?
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 5:13 PM to 6:27 AM MST.
When do landings at 37S 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 5:40 PM to 6:00 AM MST.
When are position lights required at 37S?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:40 PM to 7:00 AM MST.
Nearby airports
- KGGW Wokal Field/Glasgow-Valley County Glasgow, MT · 14 nm
- 6U5 Hinsdale Hinsdale, MT · 33 nm
- KOLF L M Clayton Wolf Point, MT · 37 nm
- KJDN Jordan Jordan, MT · 45 nm
- 4U6 Circle Town County Circle, MT · 51 nm
- S00 Opheim Opheim, MT · 52 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.