KECS Mondell Field night times
Newcastle, WY · FAA ECS
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:41 PMto6:42 AM
Sunset to sunrise. Lights on.
2341Z to 1342Z
Night logging
§ 1.15:11 PMto6:11 AM
Civil twilight. Log it as night.
0011Z to 1311Z
Night currency
§ 61.57(b)5:41 PMto5:42 AM
One hour after sunset. Landings count.
0041Z to 1242Z
Evenings at KECS
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 | 5:17 PM | 5:47 PM |
| Nov 15MST | 4:31 PM | 5:02 PM | 5:31 PM |
| Dec 1MST | 4:21 PM | 4:53 PM | 5:21 PM |
| Dec 15MST | 4:20 PM | 4:53 PM | 5:20 PM |
| Jan 1MST | 4:30 PM | 5:03 PM | 5:30 PM |
| Jan 15MST | 4:45 PM | 5:17 PM | 5:45 PM |
| Feb 1MST | 5:08 PM | 5:38 PM | 6:08 PM |
| Feb 15MST | 5:27 PM | 5:57 PM | 6:27 PM |
| Mar 1MST | 5:46 PM | 6:15 PM | 6:46 PM |
| Mar 15MDT | 7:03 PM | 7:32 PM | 8:03 PM |
| Apr 1MDT | 7:24 PM | 7:53 PM | 8:24 PM |
| Apr 15MDT | 7:41 PM | 8:11 PM | 8:41 PM |
| May 1MDT | 8:00 PM | 8:32 PM | 9:00 PM |
| May 15MDT | 8:16 PM | 8:50 PM | 9:16 PM |
| Jun 1MDT | 8:33 PM | 9:08 PM | 9:33 PM |
| Jun 15MDT | 8:41 PM | 9:18 PM | 9:41 PM |
| Jul 1MDT | 8:43 PM | 9:19 PM | 9:43 PM |
| Jul 15MDT | 8:37 PM | 9:12 PM | 9:37 PM |
| Aug 1MDT | 8:21 PM | 8:54 PM | 9:21 PM |
| Aug 15MDT | 8:01 PM | 8:33 PM | 9:01 PM |
| Sep 1MDT | 7:33 PM | 8:03 PM | 8:33 PM |
| Sep 15MDT | 7:08 PM | 7:37 PM | 8:08 PM |
| Oct 1MDT | 6:38 PM | 7:07 PM | 7:38 PM |
| Oct 15MDT | 6:14 PM | 6:43 PM | 7:14 PM |
Mornings at KECS
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:34 AM | 6:04 AM | 6:34 AM |
| Nov 15MST | 5:52 AM | 6:21 AM | 6:52 AM |
| Dec 1MST | 6:12 AM | 6:39 AM | 7:12 AM |
| Dec 15MST | 6:25 AM | 6:52 AM | 7:25 AM |
| Jan 1MST | 6:32 AM | 6:59 AM | 7:32 AM |
| Jan 15MST | 6:28 AM | 6:56 AM | 7:28 AM |
| Feb 1MST | 6:14 AM | 6:44 AM | 7:14 AM |
| Feb 15MST | 5:56 AM | 6:27 AM | 6:56 AM |
| Mar 1MST | 5:34 AM | 6:05 AM | 6:34 AM |
| Mar 15MDT | 6:10 AM | 6:41 AM | 7:10 AM |
| Apr 1MDT | 5:39 AM | 6:10 AM | 6:39 AM |
| Apr 15MDT | 5:14 AM | 5:44 AM | 6:14 AM |
| May 1MDT | 4:49 AM | 5:18 AM | 5:49 AM |
| May 15MDT | 4:32 AM | 4:58 AM | 5:32 AM |
| Jun 1MDT | 4:18 AM | 4:43 AM | 5:18 AM |
| Jun 15MDT | 4:14 AM | 4:38 AM | 5:14 AM |
| Jul 1MDT | 4:19 AM | 4:43 AM | 5:19 AM |
| Jul 15MDT | 4:29 AM | 4:54 AM | 5:29 AM |
| Aug 1MDT | 4:46 AM | 5:13 AM | 5:46 AM |
| Aug 15MDT | 5:01 AM | 5:30 AM | 6:01 AM |
| Sep 1MDT | 5:21 AM | 5:51 AM | 6:21 AM |
| Sep 15MDT | 5:36 AM | 6:07 AM | 6:36 AM |
| Oct 1MDT | 5:55 AM | 6:26 AM | 6:55 AM |
| Oct 15MDT | 6:12 AM | 6:43 AM | 7:12 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT ODALS RWY 32; REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.
Runway 14/32
5,310 × 75 ft · Asphalt
Frequencies
Night at KECS, in short
When can I log night time at KECS?
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 5:11 PM to 6:11 AM MST.
When do landings at KECS 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 5:41 PM to 5:42 AM MST.
When are position lights required at KECS?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:41 PM to 6:42 AM MST.
Nearby airports
- 83V Upton Municipal Upton, WY · 19 nm
- KCUT Custer County Custer, SD · 31 nm
- 6V0 Edgemont Municipal Edgemont, SD · 41 nm
- KSPF Black Hills-Clyde Ice Field Spearfish, SD · 42 nm
- W43 Hulett Municipal Hulett, WY · 48 nm
- KHSR Hot Springs Municipal Hot Springs, SD · 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.