84D Cheyenne Eagle Butte night times
Eagle Butte, SD
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:26 PMto6:32 AM
Sunset to sunrise. Lights on.
2326Z to 1332Z
Night logging
§ 1.14:57 PMto6:01 AM
Civil twilight. Log it as night.
2357Z to 1301Z
Night currency
§ 61.57(b)5:26 PMto5:32 AM
One hour after sunset. Landings count.
0026Z to 1232Z
Evenings at 84D
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:33 PM | 5:04 PM | 5:33 PM |
| Nov 15MST | 4:16 PM | 4:48 PM | 5:16 PM |
| Dec 1MST | 4:05 PM | 4:38 PM | 5:05 PM |
| Dec 15MST | 4:04 PM | 4:38 PM | 5:04 PM |
| Jan 1MST | 4:14 PM | 4:48 PM | 5:14 PM |
| Jan 15MST | 4:30 PM | 5:02 PM | 5:30 PM |
| Feb 1MST | 4:53 PM | 5:24 PM | 5:53 PM |
| Feb 15MST | 5:13 PM | 5:43 PM | 6:13 PM |
| Mar 1MST | 5:32 PM | 6:02 PM | 6:32 PM |
| Mar 15MDT | 6:51 PM | 7:20 PM | 7:51 PM |
| Apr 1MDT | 7:13 PM | 7:42 PM | 8:13 PM |
| Apr 15MDT | 7:30 PM | 8:01 PM | 8:30 PM |
| May 1MDT | 7:50 PM | 8:23 PM | 8:50 PM |
| May 15MDT | 8:07 PM | 8:42 PM | 9:07 PM |
| Jun 1MDT | 8:25 PM | 9:01 PM | 9:25 PM |
| Jun 15MDT | 8:33 PM | 9:11 PM | 9:33 PM |
| Jul 1MDT | 8:35 PM | 9:12 PM | 9:35 PM |
| Jul 15MDT | 8:29 PM | 9:05 PM | 9:29 PM |
| Aug 1MDT | 8:12 PM | 8:45 PM | 9:12 PM |
| Aug 15MDT | 7:51 PM | 8:23 PM | 8:51 PM |
| Sep 1MDT | 7:22 PM | 7:52 PM | 8:22 PM |
| Sep 15MDT | 6:56 PM | 7:25 PM | 7:56 PM |
| Oct 1MDT | 6:26 PM | 6:55 PM | 7:26 PM |
| Oct 15MDT | 6:00 PM | 6:30 PM | 7:00 PM |
Mornings at 84D
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:24 AM | 5:53 AM | 6:24 AM |
| Nov 15MST | 5:43 AM | 6:11 AM | 6:43 AM |
| Dec 1MST | 6:03 AM | 6:30 AM | 7:03 AM |
| Dec 15MST | 6:16 AM | 6:43 AM | 7:16 AM |
| Jan 1MST | 6:23 AM | 6:50 AM | 7:23 AM |
| Jan 15MST | 6:20 AM | 6:47 AM | 7:20 AM |
| Feb 1MST | 6:05 AM | 6:34 AM | 7:05 AM |
| Feb 15MST | 5:46 AM | 6:16 AM | 6:46 AM |
| Mar 1MST | 5:23 AM | 5:54 AM | 6:23 AM |
| Mar 15MDT | 5:58 AM | 6:28 AM | 6:58 AM |
| Apr 1MDT | 5:26 AM | 5:56 AM | 6:26 AM |
| Apr 15MDT | 5:01 AM | 5:30 AM | 6:01 AM |
| May 1MDT | 4:35 AM | 5:02 AM | 5:35 AM |
| May 15MDT | 4:16 AM | 4:42 AM | 5:16 AM |
| Jun 1MDT | 4:02 AM | 4:25 AM | 5:02 AM |
| Jun 15MDT | 3:58 AM | 4:20 AM | 4:58 AM |
| Jul 1MDT | 4:02 AM | 4:25 AM | 5:02 AM |
| Jul 15MDT | 4:13 AM | 4:37 AM | 5:13 AM |
| Aug 1MDT | 4:30 AM | 4:57 AM | 5:30 AM |
| Aug 15MDT | 4:47 AM | 5:15 AM | 5:47 AM |
| Sep 1MDT | 5:07 AM | 5:37 AM | 6:07 AM |
| Sep 15MDT | 5:24 AM | 5:54 AM | 6:24 AM |
| Oct 1MDT | 5:43 AM | 6:14 AM | 6:43 AM |
| Oct 15MDT | 6:01 AM | 6:31 AM | 7:01 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT PAPI RWY 13 & 31; MIRL RWY 13/31 - CTAF.
Runway 13/31
4,200 × 75 ft · Asphalt
Frequencies
Night at 84D, in short
When can I log night time at 84D?
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 4:57 PM to 6:01 AM MST.
When do landings at 84D 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 5:26 PM to 5:32 AM MST.
When are position lights required at 84D?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:26 PM to 6:32 AM MST.
Nearby airports
- 3Y7 Isabel Municipal Isabel, SD · 26 nm
- D58 Timber Lake Municipal Timber Lake, SD · 27 nm
- D07 Faith Municipal Faith, SD · 33 nm
- KMBG Mobridge Municipal Mobridge, SD · 49 nm
- 98D Onida Municipal Onida, SD · 52 nm
- 5P2 Mc Laughlin Municipal Mc Laughlin, SD · 53 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.