KGEY South Big Horn County night times
Greybull, WY · FAA GEY
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:55 PMto6:58 AM
Sunset to sunrise. Lights on.
2355Z to 1358Z
Night logging
§ 1.15:25 PMto6:27 AM
Civil twilight. Log it as night.
0025Z to 1327Z
Night currency
§ 61.57(b)5:55 PMto5:58 AM
One hour after sunset. Landings count.
0055Z to 1258Z
Evenings at KGEY
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:01 PM | 5:32 PM | 6:01 PM |
| Nov 15MST | 4:45 PM | 5:16 PM | 5:45 PM |
| Dec 1MST | 4:34 PM | 5:07 PM | 5:34 PM |
| Dec 15MST | 4:33 PM | 5:06 PM | 5:33 PM |
| Jan 1MST | 4:43 PM | 5:16 PM | 5:43 PM |
| Jan 15MST | 4:58 PM | 5:31 PM | 5:58 PM |
| Feb 1MST | 5:21 PM | 5:52 PM | 6:21 PM |
| Feb 15MST | 5:41 PM | 6:11 PM | 6:41 PM |
| Mar 1MST | 6:00 PM | 6:29 PM | 7:00 PM |
| Mar 15MDT | 7:18 PM | 7:47 PM | 8:18 PM |
| Apr 1MDT | 7:40 PM | 8:09 PM | 8:40 PM |
| Apr 15MDT | 7:57 PM | 8:27 PM | 8:57 PM |
| May 1MDT | 8:17 PM | 8:49 PM | 9:17 PM |
| May 15MDT | 8:33 PM | 9:07 PM | 9:33 PM |
| Jun 1MDT | 8:50 PM | 9:26 PM | 9:50 PM |
| Jun 15MDT | 8:59 PM | 9:36 PM | 9:59 PM |
| Jul 1MDT | 9:01 PM | 9:37 PM | 10:01 PM |
| Jul 15MDT | 8:55 PM | 9:30 PM | 9:55 PM |
| Aug 1MDT | 8:38 PM | 9:11 PM | 9:38 PM |
| Aug 15MDT | 8:18 PM | 8:49 PM | 9:18 PM |
| Sep 1MDT | 7:49 PM | 8:19 PM | 8:49 PM |
| Sep 15MDT | 7:23 PM | 7:52 PM | 8:23 PM |
| Oct 1MDT | 6:53 PM | 7:22 PM | 7:53 PM |
| Oct 15MDT | 6:28 PM | 6:57 PM | 7:28 PM |
Mornings at KGEY
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:50 AM | 6:20 AM | 6:50 AM |
| Nov 15MST | 6:09 AM | 6:37 AM | 7:09 AM |
| Dec 1MST | 6:29 AM | 6:56 AM | 7:29 AM |
| Dec 15MST | 6:42 AM | 7:09 AM | 7:42 AM |
| Jan 1MST | 6:49 AM | 7:16 AM | 7:49 AM |
| Jan 15MST | 6:45 AM | 7:13 AM | 7:45 AM |
| Feb 1MST | 6:31 AM | 7:00 AM | 7:31 AM |
| Feb 15MST | 6:12 AM | 6:43 AM | 7:12 AM |
| Mar 1MST | 5:50 AM | 6:21 AM | 6:50 AM |
| Mar 15MDT | 6:25 AM | 6:56 AM | 7:25 AM |
| Apr 1MDT | 5:53 AM | 6:24 AM | 6:53 AM |
| Apr 15MDT | 5:29 AM | 5:58 AM | 6:29 AM |
| May 1MDT | 5:03 AM | 5:31 AM | 6:03 AM |
| May 15MDT | 4:45 AM | 5:11 AM | 5:45 AM |
| Jun 1MDT | 4:31 AM | 4:55 AM | 5:31 AM |
| Jun 15MDT | 4:27 AM | 4:50 AM | 5:27 AM |
| Jul 1MDT | 4:31 AM | 4:55 AM | 5:31 AM |
| Jul 15MDT | 4:42 AM | 5:06 AM | 5:42 AM |
| Aug 1MDT | 4:59 AM | 5:26 AM | 5:59 AM |
| Aug 15MDT | 5:15 AM | 5:43 AM | 6:15 AM |
| Sep 1MDT | 5:35 AM | 6:05 AM | 6:35 AM |
| Sep 15MDT | 5:51 AM | 6:22 AM | 6:51 AM |
| Oct 1MDT | 6:10 AM | 6:41 AM | 7:10 AM |
| Oct 15MDT | 6:27 AM | 6:58 AM | 7:27 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT MIRL RWY 16/34; PAPI RWY 16 & 34; REILS RWY 16 & 34 -CTAF.
Runway 08/26
3,953 × 75 ft · Asphalt
Runway 16/34
7,003 × 150 ft · Asphalt
Frequencies
Night at KGEY, in short
When can I log night time at KGEY?
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 5:25 PM to 6:27 AM MST.
When do landings at KGEY 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 5:55 PM to 5:58 AM MST.
When are position lights required at KGEY?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:55 PM to 6:58 AM MST.
Nearby airports
- U68 North Big Horn County Cowley/Lovell/Byron, WY · 28 nm
- KWRL Worland Municipal Worland, WY · 34 nm
- KPOY Powell Municipal Powell, WY · 37 nm
- KCOD Yellowstone Regional Cody, WY · 40 nm
- 5U7 Fort Smith Landing Strip Fort Smith, MT · 49 nm
- KSHR Sheridan County Sheridan, WY · 49 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.