51K Cedar Air Park night times
Olathe, KS
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:13 PMto6:54 AM
Sunset to sunrise. Lights on.
2313Z to 1254Z
Night logging
§ 1.15:41 PMto6:26 AM
Civil twilight. Log it as night.
2341Z to 1226Z
Night currency
§ 61.57(b)6:13 PMto5:54 AM
One hour after sunset. Landings count.
0013Z to 1154Z
Evenings at 51K
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:19 PM | 5:46 PM | 6:19 PM |
| Nov 15CST | 5:06 PM | 5:34 PM | 6:06 PM |
| Dec 1CST | 4:58 PM | 5:27 PM | 5:58 PM |
| Dec 15CST | 4:58 PM | 5:28 PM | 5:58 PM |
| Jan 1CST | 5:08 PM | 5:38 PM | 6:08 PM |
| Jan 15CST | 5:21 PM | 5:51 PM | 6:21 PM |
| Feb 1CST | 5:41 PM | 6:09 PM | 6:41 PM |
| Feb 15CST | 5:57 PM | 6:24 PM | 6:57 PM |
| Mar 1CST | 6:12 PM | 6:39 PM | 7:12 PM |
| Mar 15CDT | 7:26 PM | 7:53 PM | 8:26 PM |
| Apr 1CDT | 7:43 PM | 8:10 PM | 8:43 PM |
| Apr 15CDT | 7:57 PM | 8:24 PM | 8:57 PM |
| May 1CDT | 8:12 PM | 8:41 PM | 9:12 PM |
| May 15CDT | 8:25 PM | 8:55 PM | 9:25 PM |
| Jun 1CDT | 8:39 PM | 9:11 PM | 9:39 PM |
| Jun 15CDT | 8:47 PM | 9:19 PM | 9:47 PM |
| Jul 1CDT | 8:49 PM | 9:21 PM | 9:49 PM |
| Jul 15CDT | 8:44 PM | 9:15 PM | 9:44 PM |
| Aug 1CDT | 8:31 PM | 9:00 PM | 9:31 PM |
| Aug 15CDT | 8:14 PM | 8:43 PM | 9:14 PM |
| Sep 1CDT | 7:50 PM | 8:17 PM | 8:50 PM |
| Sep 15CDT | 7:28 PM | 7:55 PM | 8:28 PM |
| Oct 1CDT | 7:02 PM | 7:29 PM | 8:02 PM |
| Oct 15CDT | 6:41 PM | 7:08 PM | 7:41 PM |
Mornings at 51K
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:47 AM | 6:19 AM | 6:47 AM |
| Nov 15CST | 6:02 AM | 6:34 AM | 7:02 AM |
| Dec 1CST | 6:19 AM | 6:50 AM | 7:19 AM |
| Dec 15CST | 6:31 AM | 7:01 AM | 7:31 AM |
| Jan 1CST | 6:38 AM | 7:08 AM | 7:38 AM |
| Jan 15CST | 6:37 AM | 7:08 AM | 7:37 AM |
| Feb 1CST | 6:26 AM | 6:58 AM | 7:26 AM |
| Feb 15CST | 6:11 AM | 6:44 AM | 7:11 AM |
| Mar 1CST | 5:52 AM | 6:25 AM | 6:52 AM |
| Mar 15CDT | 6:31 AM | 7:04 AM | 7:31 AM |
| Apr 1CDT | 6:04 AM | 6:38 AM | 7:04 AM |
| Apr 15CDT | 5:43 AM | 6:16 AM | 6:43 AM |
| May 1CDT | 5:22 AM | 5:53 AM | 6:22 AM |
| May 15CDT | 5:07 AM | 5:37 AM | 6:07 AM |
| Jun 1CDT | 4:56 AM | 5:25 AM | 5:56 AM |
| Jun 15CDT | 4:54 AM | 5:22 AM | 5:54 AM |
| Jul 1CDT | 4:58 AM | 5:26 AM | 5:58 AM |
| Jul 15CDT | 5:06 AM | 5:35 AM | 6:06 AM |
| Aug 1CDT | 5:20 AM | 5:51 AM | 6:20 AM |
| Aug 15CDT | 5:33 AM | 6:04 AM | 6:33 AM |
| Sep 1CDT | 5:48 AM | 6:21 AM | 6:48 AM |
| Sep 15CDT | 6:01 AM | 6:34 AM | 7:01 AM |
| Oct 1CDT | 6:15 AM | 6:49 AM | 7:15 AM |
| Oct 15CDT | 6:29 AM | 7:02 AM | 7:29 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 17/35
2,440 × 75 ft · Turf
Frequencies
Night at 51K, in short
When can I log night time at 51K?
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 5:41 PM to 6:26 AM CST.
When do landings at 51K 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 6:13 PM to 5:54 AM CST.
When are position lights required at 51K?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:13 PM to 6:54 AM CST.
Nearby airports
- KIXD New Century Aircenter Olathe, KS · 6 nm
- K34 Gardner Municipal Gardner, KS · 8 nm
- KOJC Johnson County Exec Olathe, KS · 9 nm
- 63K Hillside Stilwell, KS · 14 nm
- K64 Vinland Valley Aerodrome Baldwin City, KS · 15 nm
- KLWC Lawrence Regional Lawrence, KS · 16 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.