KIEN Pine Ridge night times
Pine Ridge, SD · FAA IEN
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:36 PMto6:32 AM
Sunset to sunrise. Lights on.
2336Z to 1332Z
Night logging
§ 1.15:06 PMto6:02 AM
Civil twilight. Log it as night.
0006Z to 1302Z
Night currency
§ 61.57(b)5:36 PMto5:32 AM
One hour after sunset. Landings count.
0036Z to 1232Z
Evenings at KIEN
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:42 PM | 5:11 PM | 5:42 PM |
| Nov 15MST | 4:26 PM | 4:57 PM | 5:26 PM |
| Dec 1MST | 4:16 PM | 4:48 PM | 5:16 PM |
| Dec 15MST | 4:16 PM | 4:48 PM | 5:16 PM |
| Jan 1MST | 4:26 PM | 4:58 PM | 5:26 PM |
| Jan 15MST | 4:41 PM | 5:12 PM | 5:41 PM |
| Feb 1MST | 5:03 PM | 5:33 PM | 6:03 PM |
| Feb 15MST | 5:21 PM | 5:50 PM | 6:21 PM |
| Mar 1MST | 5:39 PM | 6:08 PM | 6:39 PM |
| Mar 15MDT | 6:56 PM | 7:25 PM | 7:56 PM |
| Apr 1MDT | 7:16 PM | 7:45 PM | 8:16 PM |
| Apr 15MDT | 7:33 PM | 8:02 PM | 8:33 PM |
| May 1MDT | 7:51 PM | 8:22 PM | 8:51 PM |
| May 15MDT | 8:07 PM | 8:39 PM | 9:07 PM |
| Jun 1MDT | 8:23 PM | 8:57 PM | 9:23 PM |
| Jun 15MDT | 8:31 PM | 9:06 PM | 9:31 PM |
| Jul 1MDT | 8:33 PM | 9:08 PM | 9:33 PM |
| Jul 15MDT | 8:27 PM | 9:01 PM | 9:27 PM |
| Aug 1MDT | 8:11 PM | 8:43 PM | 9:11 PM |
| Aug 15MDT | 7:52 PM | 8:23 PM | 8:52 PM |
| Sep 1MDT | 7:25 PM | 7:54 PM | 8:25 PM |
| Sep 15MDT | 7:00 PM | 7:29 PM | 8:00 PM |
| Oct 1MDT | 6:31 PM | 7:00 PM | 7:31 PM |
| Oct 15MDT | 6:07 PM | 6:36 PM | 7:07 PM |
Mornings at KIEN
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:25 AM | 5:55 AM | 6:25 AM |
| Nov 15MST | 5:43 AM | 6:12 AM | 6:43 AM |
| Dec 1MST | 6:02 AM | 6:30 AM | 7:02 AM |
| Dec 15MST | 6:15 AM | 6:42 AM | 7:15 AM |
| Jan 1MST | 6:21 AM | 6:49 AM | 7:21 AM |
| Jan 15MST | 6:19 AM | 6:47 AM | 7:19 AM |
| Feb 1MST | 6:05 AM | 6:35 AM | 7:05 AM |
| Feb 15MST | 5:48 AM | 6:19 AM | 6:48 AM |
| Mar 1MST | 5:26 AM | 5:58 AM | 6:26 AM |
| Mar 15MDT | 6:02 AM | 6:34 AM | 7:02 AM |
| Apr 1MDT | 5:32 AM | 6:04 AM | 6:32 AM |
| Apr 15MDT | 5:08 AM | 5:39 AM | 6:08 AM |
| May 1MDT | 4:44 AM | 5:13 AM | 5:44 AM |
| May 15MDT | 4:27 AM | 4:54 AM | 5:27 AM |
| Jun 1MDT | 4:14 AM | 4:39 AM | 5:14 AM |
| Jun 15MDT | 4:10 AM | 4:35 AM | 5:10 AM |
| Jul 1MDT | 4:15 AM | 4:39 AM | 5:15 AM |
| Jul 15MDT | 4:24 AM | 4:50 AM | 5:24 AM |
| Aug 1MDT | 4:41 AM | 5:09 AM | 5:41 AM |
| Aug 15MDT | 4:56 AM | 5:25 AM | 5:56 AM |
| Sep 1MDT | 5:14 AM | 5:45 AM | 6:14 AM |
| Sep 15MDT | 5:30 AM | 6:01 AM | 6:30 AM |
| Oct 1MDT | 5:47 AM | 6:19 AM | 6:47 AM |
| Oct 15MDT | 6:03 AM | 6:35 AM | 7:03 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
MIRL RY 12/30 AND PAPI RY 30 OPER DUSK-2230; AFT 2230 ACTVT - CTAF.
Runway 12/30
5,000 × 75 ft · Asphalt
Frequencies
Night at KIEN, in short
When can I log night time at KIEN?
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 5:06 PM to 6:02 AM MST.
When do landings at KIEN 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 5:36 PM to 5:32 AM MST.
When are position lights required at KIEN?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:36 PM to 6:32 AM MST.
Nearby airports
- 9V5 Modisett Rushville, NE · 17 nm
- KGRN Gordon Municipal Gordon, NE · 19 nm
- 4V6 Hay Springs Municipal Hay Springs, NE · 22 nm
- KCDR Chadron Municipal Chadron, NE · 28 nm
- 9V6 Martin Municipal Martin, SD · 36 nm
- KHSR Hot Springs Municipal Hot Springs, SD · 44 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.