6V5 Bison Municipal night times
Bison, SD
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:30 PMto6:38 AM
Sunset to sunrise. Lights on.
2330Z to 1338Z
Night logging
§ 1.15:01 PMto6:07 AM
Civil twilight. Log it as night.
0001Z to 1307Z
Night currency
§ 61.57(b)5:30 PMto5:38 AM
One hour after sunset. Landings count.
0030Z to 1238Z
Evenings at 6V5
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:37 PM | 5:08 PM | 5:37 PM |
| Nov 15MST | 4:19 PM | 4:51 PM | 5:19 PM |
| Dec 1MST | 4:08 PM | 4:41 PM | 5:08 PM |
| Dec 15MST | 4:07 PM | 4:41 PM | 5:07 PM |
| Jan 1MST | 4:17 PM | 4:51 PM | 5:17 PM |
| Jan 15MST | 4:33 PM | 5:06 PM | 5:33 PM |
| Feb 1MST | 4:56 PM | 5:28 PM | 5:56 PM |
| Feb 15MST | 5:17 PM | 5:47 PM | 6:17 PM |
| Mar 1MST | 5:37 PM | 6:06 PM | 6:37 PM |
| Mar 15MDT | 6:56 PM | 7:25 PM | 7:56 PM |
| Apr 1MDT | 7:18 PM | 7:48 PM | 8:18 PM |
| Apr 15MDT | 7:36 PM | 8:07 PM | 8:36 PM |
| May 1MDT | 7:57 PM | 8:30 PM | 8:57 PM |
| May 15MDT | 8:14 PM | 8:49 PM | 9:14 PM |
| Jun 1MDT | 8:31 PM | 9:08 PM | 9:31 PM |
| Jun 15MDT | 8:40 PM | 9:18 PM | 9:40 PM |
| Jul 1MDT | 8:42 PM | 9:20 PM | 9:42 PM |
| Jul 15MDT | 8:36 PM | 9:12 PM | 9:36 PM |
| Aug 1MDT | 8:18 PM | 8:52 PM | 9:18 PM |
| Aug 15MDT | 7:57 PM | 8:30 PM | 8:57 PM |
| Sep 1MDT | 7:28 PM | 7:58 PM | 8:28 PM |
| Sep 15MDT | 7:01 PM | 7:31 PM | 8:01 PM |
| Oct 1MDT | 6:30 PM | 7:00 PM | 7:30 PM |
| Oct 15MDT | 6:04 PM | 6:34 PM | 7:04 PM |
Mornings at 6V5
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:30 AM | 5:59 AM | 6:30 AM |
| Nov 15MST | 5:49 AM | 6:17 AM | 6:49 AM |
| Dec 1MST | 6:10 AM | 6:36 AM | 7:10 AM |
| Dec 15MST | 6:23 AM | 6:49 AM | 7:23 AM |
| Jan 1MST | 6:30 AM | 6:56 AM | 7:30 AM |
| Jan 15MST | 6:26 AM | 6:53 AM | 7:26 AM |
| Feb 1MST | 6:11 AM | 6:39 AM | 7:11 AM |
| Feb 15MST | 5:52 AM | 6:21 AM | 6:52 AM |
| Mar 1MST | 5:28 AM | 5:59 AM | 6:28 AM |
| Mar 15MDT | 6:03 AM | 6:33 AM | 7:03 AM |
| Apr 1MDT | 5:30 AM | 6:00 AM | 6:30 AM |
| Apr 15MDT | 5:05 AM | 5:34 AM | 6:05 AM |
| May 1MDT | 4:38 AM | 5:05 AM | 5:38 AM |
| May 15MDT | 4:19 AM | 4:45 AM | 5:19 AM |
| Jun 1MDT | 4:05 AM | 4:28 AM | 5:05 AM |
| Jun 15MDT | 4:00 AM | 4:23 AM | 5:00 AM |
| Jul 1MDT | 4:05 AM | 4:27 AM | 5:05 AM |
| Jul 15MDT | 4:16 AM | 4:39 AM | 5:16 AM |
| Aug 1MDT | 4:34 AM | 4:59 AM | 5:34 AM |
| Aug 15MDT | 4:50 AM | 5:18 AM | 5:50 AM |
| Sep 1MDT | 5:11 AM | 5:41 AM | 6:11 AM |
| Sep 15MDT | 5:28 AM | 5:58 AM | 6:28 AM |
| Oct 1MDT | 5:48 AM | 6:18 AM | 6:48 AM |
| Oct 15MDT | 6:06 AM | 6:36 AM | 7:06 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT MIRL RWY 11/29 - CTAF.
Runway 11/29
3,500 × 60 ft · Asphalt
Frequencies
Night at 6V5, in short
When can I log night time at 6V5?
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 5:01 PM to 6:07 AM MST.
When do landings at 6V5 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 5:30 PM to 5:38 AM MST.
When are position lights required at 6V5?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:30 PM to 6:38 AM MST.
Nearby airports
- KLEM Lemmon Municipal Lemmon, SD · 28 nm
- KHEI Hettinger/Jb Lindquist Regional Hettinger, ND · 31 nm
- D07 Faith Municipal Faith, SD · 35 nm
- 3Y7 Isabel Municipal Isabel, SD · 44 nm
- 9D2 Harding County Buffalo, SD · 45 nm
- 3P3 Mott Municipal Mott, ND · 51 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.