20U Beach night times
Beach, ND
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:32 PMto6:48 AM
Sunset to sunrise. Lights on.
2332Z to 1348Z
Night logging
§ 1.15:05 PMto6:15 AM
Civil twilight. Log it as night.
0005Z to 1315Z
Night currency
§ 61.57(b)5:32 PMto5:48 AM
One hour after sunset. Landings count.
0032Z to 1248Z
Evenings at 20U
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:40 PM | 5:11 PM | 5:40 PM |
| Nov 15MST | 4:21 PM | 4:54 PM | 5:21 PM |
| Dec 1MST | 4:09 PM | 4:44 PM | 5:09 PM |
| Dec 15MST | 4:07 PM | 4:43 PM | 5:07 PM |
| Jan 1MST | 4:18 PM | 4:53 PM | 5:18 PM |
| Jan 15MST | 4:34 PM | 5:08 PM | 5:34 PM |
| Feb 1MST | 4:59 PM | 5:31 PM | 5:59 PM |
| Feb 15MST | 5:20 PM | 5:52 PM | 6:20 PM |
| Mar 1MST | 5:41 PM | 6:12 PM | 6:41 PM |
| Mar 15MDT | 7:01 PM | 7:32 PM | 8:01 PM |
| Apr 1MDT | 7:25 PM | 7:56 PM | 8:25 PM |
| Apr 15MDT | 7:44 PM | 8:16 PM | 8:44 PM |
| May 1MDT | 8:06 PM | 8:40 PM | 9:06 PM |
| May 15MDT | 8:24 PM | 9:01 PM | 9:24 PM |
| Jun 1MDT | 8:43 PM | 9:21 PM | 9:43 PM |
| Jun 15MDT | 8:52 PM | 9:32 PM | 9:52 PM |
| Jul 1MDT | 8:54 PM | 9:34 PM | 9:54 PM |
| Jul 15MDT | 8:47 PM | 9:25 PM | 9:47 PM |
| Aug 1MDT | 8:28 PM | 9:04 PM | 9:28 PM |
| Aug 15MDT | 8:07 PM | 8:40 PM | 9:07 PM |
| Sep 1MDT | 7:36 PM | 8:07 PM | 8:36 PM |
| Sep 15MDT | 7:08 PM | 7:38 PM | 8:08 PM |
| Oct 1MDT | 6:36 PM | 7:06 PM | 7:36 PM |
| Oct 15MDT | 6:09 PM | 6:39 PM | 7:09 PM |
Mornings at 20U
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:39 AM | 6:07 AM | 6:39 AM |
| Nov 15MST | 5:59 AM | 6:26 AM | 6:59 AM |
| Dec 1MST | 6:21 AM | 6:46 AM | 7:21 AM |
| Dec 15MST | 6:35 AM | 6:59 AM | 7:35 AM |
| Jan 1MST | 6:41 AM | 7:06 AM | 7:41 AM |
| Jan 15MST | 6:37 AM | 7:03 AM | 7:37 AM |
| Feb 1MST | 6:21 AM | 6:48 AM | 7:21 AM |
| Feb 15MST | 6:00 AM | 6:29 AM | 7:00 AM |
| Mar 1MST | 5:36 AM | 6:05 AM | 6:36 AM |
| Mar 15MDT | 6:09 AM | 6:39 AM | 7:09 AM |
| Apr 1MDT | 5:35 AM | 6:05 AM | 6:35 AM |
| Apr 15MDT | 5:08 AM | 5:37 AM | 6:08 AM |
| May 1MDT | 4:41 AM | 5:07 AM | 5:41 AM |
| May 15MDT | 4:21 AM | 4:45 AM | 5:21 AM |
| Jun 1MDT | 4:05 AM | 4:27 AM | 5:05 AM |
| Jun 15MDT | 4:01 AM | 4:21 AM | 5:01 AM |
| Jul 1MDT | 4:05 AM | 4:26 AM | 5:05 AM |
| Jul 15MDT | 4:16 AM | 4:38 AM | 5:16 AM |
| Aug 1MDT | 4:35 AM | 5:00 AM | 5:35 AM |
| Aug 15MDT | 4:53 AM | 5:20 AM | 5:53 AM |
| Sep 1MDT | 5:15 AM | 5:44 AM | 6:15 AM |
| Sep 15MDT | 5:34 AM | 6:03 AM | 6:34 AM |
| Oct 1MDT | 5:55 AM | 6:24 AM | 6:55 AM |
| Oct 15MDT | 6:14 AM | 6:43 AM | 7:14 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT PAPI RWY 12 & 30; MIRL RWY 12/30 - CTAF.
Runway 12/30
4,200 × 60 ft · Asphalt
Frequencies
Night at 20U, in short
When can I log night time at 20U?
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 5:05 PM to 6:15 AM MST.
When do landings at 20U 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 5:32 PM to 5:48 AM MST.
When are position lights required at 20U?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:32 PM to 6:48 AM MST.
Nearby airports
- KGDV Dawson Community Glendive, MT · 36 nm
- KBHK Baker Municipal Baker, MT · 37 nm
- KSDY Sidney-Richland Regional Sidney, MT · 48 nm
- KDIK Dickinson/Theodore Roosevelt Regional Dickinson, ND · 49 nm
- KBWW Bowman Regional Bowman, ND · 54 nm
- 8U6 Terry Terry, MT · 55 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.