1Y3 Judge Lewis Field/Mount Ayr Municipal night times
Mount Ayr, IA
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:07 PMto6:54 AM
Sunset to sunrise. Lights on.
2307Z to 1254Z
Night logging
§ 1.15:36 PMto6:26 AM
Civil twilight. Log it as night.
2336Z to 1226Z
Night currency
§ 61.57(b)6:07 PMto5:54 AM
One hour after sunset. Landings count.
0007Z to 1154Z
Evenings at 1Y3
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:13 PM | 5:41 PM | 6:13 PM |
| Nov 15CST | 4:59 PM | 5:28 PM | 5:59 PM |
| Dec 1CST | 4:50 PM | 5:21 PM | 5:50 PM |
| Dec 15CST | 4:50 PM | 5:21 PM | 5:50 PM |
| Jan 1CST | 5:00 PM | 5:31 PM | 6:00 PM |
| Jan 15CST | 5:14 PM | 5:44 PM | 6:14 PM |
| Feb 1CST | 5:34 PM | 6:03 PM | 6:34 PM |
| Feb 15CST | 5:52 PM | 6:20 PM | 6:52 PM |
| Mar 1CST | 6:08 PM | 6:36 PM | 7:08 PM |
| Mar 15CDT | 7:24 PM | 7:51 PM | 8:24 PM |
| Apr 1CDT | 7:42 PM | 8:09 PM | 8:42 PM |
| Apr 15CDT | 7:56 PM | 8:25 PM | 8:56 PM |
| May 1CDT | 8:13 PM | 8:43 PM | 9:13 PM |
| May 15CDT | 8:27 PM | 8:58 PM | 9:27 PM |
| Jun 1CDT | 8:42 PM | 9:15 PM | 9:42 PM |
| Jun 15CDT | 8:50 PM | 9:23 PM | 9:50 PM |
| Jul 1CDT | 8:52 PM | 9:25 PM | 9:52 PM |
| Jul 15CDT | 8:47 PM | 9:19 PM | 9:47 PM |
| Aug 1CDT | 8:32 PM | 9:03 PM | 9:32 PM |
| Aug 15CDT | 8:15 PM | 8:44 PM | 9:15 PM |
| Sep 1CDT | 7:49 PM | 8:17 PM | 8:49 PM |
| Sep 15CDT | 7:26 PM | 7:53 PM | 8:26 PM |
| Oct 1CDT | 6:59 PM | 7:26 PM | 7:59 PM |
| Oct 15CDT | 6:37 PM | 7:04 PM | 7:37 PM |
Mornings at 1Y3
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 | 6:04 AM | 6:34 AM | 7:04 AM |
| Dec 1CST | 6:22 AM | 6:51 AM | 7:22 AM |
| Dec 15CST | 6:34 AM | 7:03 AM | 7:34 AM |
| Jan 1CST | 6:41 AM | 7:10 AM | 7:41 AM |
| Jan 15CST | 6:39 AM | 7:09 AM | 7:39 AM |
| Feb 1CST | 6:27 AM | 6:58 AM | 7:27 AM |
| Feb 15CST | 6:11 AM | 6:43 AM | 7:11 AM |
| Mar 1CST | 5:51 AM | 6:24 AM | 6:51 AM |
| Mar 15CDT | 6:29 AM | 7:01 AM | 7:29 AM |
| Apr 1CDT | 6:01 AM | 6:33 AM | 7:01 AM |
| Apr 15CDT | 5:38 AM | 6:10 AM | 6:38 AM |
| May 1CDT | 5:16 AM | 5:46 AM | 6:16 AM |
| May 15CDT | 5:00 AM | 5:29 AM | 6:00 AM |
| Jun 1CDT | 4:48 AM | 5:15 AM | 5:48 AM |
| Jun 15CDT | 4:45 AM | 5:12 AM | 5:45 AM |
| Jul 1CDT | 4:49 AM | 5:16 AM | 5:49 AM |
| Jul 15CDT | 4:59 AM | 5:26 AM | 5:59 AM |
| Aug 1CDT | 5:14 AM | 5:43 AM | 6:14 AM |
| Aug 15CDT | 5:27 AM | 5:58 AM | 6:27 AM |
| Sep 1CDT | 5:44 AM | 6:16 AM | 6:44 AM |
| Sep 15CDT | 5:57 AM | 6:30 AM | 6:57 AM |
| Oct 1CDT | 6:13 AM | 6:46 AM | 7:13 AM |
| Oct 15CDT | 6:28 AM | 7:00 AM | 7:28 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
AIRPORT IS NOT LIGHTED
Runway 17/35
2,600 × 40 ft · Asphalt
Frequencies
Night at 1Y3, in short
When can I log night time at 1Y3?
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 5:36 PM to 6:26 AM CST.
When do landings at 1Y3 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 6:07 PM to 5:54 AM CST.
When are position lights required at 1Y3?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:07 PM to 6:54 AM CST.
Nearby airports
- KLWD Lamoni Municipal Lamoni, IA · 15 nm
- KCSQ Creston Municipal Creston, IA · 20 nm
- Y46 Bedford Municipal Bedford, IA · 24 nm
- K19 Albany Municipal Albany, MO · 27 nm
- 75K Bethany Memorial Bethany, MO · 28 nm
- KCRZ Corning Municipal Corning, IA · 30 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.