4Z5 Horsfeld night times
Horsfeld, AK
Night of Nov 6 to Nov 7AKST
Position lights
§ 91.2094:04 PMto8:14 AM
Sunset to sunrise. Lights on.
0104Z to 1714Z
Night logging
§ 1.14:55 PMto7:24 AM
Civil twilight. Log it as night.
0155Z to 1624Z
Night currency
§ 61.57(b)5:04 PMto7:14 AM
One hour after sunset. Landings count.
0204Z to 1614Z
Evenings at 4Z5
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1AKST | 4:18 PM | 5:07 PM | 5:18 PM |
| Nov 15AKST | 3:41 PM | 4:35 PM | 4:41 PM |
| Dec 1AKST | 3:08 PM | 4:09 PM | 4:08 PM |
| Dec 15AKST | 2:56 PM | 4:02 PM | 3:56 PM |
| Jan 1AKST | 3:09 PM | 4:14 PM | 4:09 PM |
| Jan 15AKST | 3:40 PM | 4:38 PM | 4:40 PM |
| Feb 1AKST | 4:28 PM | 5:19 PM | 5:28 PM |
| Feb 15AKST | 5:09 PM | 5:56 PM | 6:09 PM |
| Mar 1AKST | 5:48 PM | 6:33 PM | 6:48 PM |
| Mar 15AKDT | 7:27 PM | 8:11 PM | 8:27 PM |
| Apr 1AKDT | 8:12 PM | 8:58 PM | 9:12 PM |
| Apr 15AKDT | 8:50 PM | 9:41 PM | 9:50 PM |
| May 1AKDT | 9:35 PM | 10:35 PM | 10:35 PM |
| May 15AKDT | 10:13 PM | 11:31 PM | 11:13 PM |
| Jun 1AKDT | 10:55 PM | No night | 11:55 PM |
| Jun 15AKDT | 11:16 PM | No night | 12:16 AM |
| Jul 1AKDT | 11:15 PM | No night | 12:15 AM |
| Jul 15AKDT | 10:52 PM | 12:40 AM | 11:52 PM |
| Aug 1AKDT | 10:09 PM | 11:19 PM | 11:09 PM |
| Aug 15AKDT | 9:28 PM | 10:24 PM | 10:28 PM |
| Sep 1AKDT | 8:33 PM | 9:22 PM | 9:33 PM |
| Sep 15AKDT | 7:48 PM | 8:33 PM | 8:48 PM |
| Oct 1AKDT | 6:55 PM | 7:39 PM | 7:55 PM |
| Oct 15AKDT | 6:11 PM | 6:56 PM | 7:11 PM |
Mornings at 4Z5
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1AKST | 6:57 AM | 7:08 AM | 7:57 AM |
| Nov 15AKST | 7:37 AM | 7:43 AM | 8:37 AM |
| Dec 1AKST | 8:19 AM | 8:18 AM | 9:19 AM |
| Dec 15AKST | 8:44 AM | 8:38 AM | 9:44 AM |
| Jan 1AKST | 8:48 AM | 8:43 AM | 9:48 AM |
| Jan 15AKST | 8:29 AM | 8:31 AM | 9:29 AM |
| Feb 1AKST | 7:50 AM | 7:59 AM | 8:50 AM |
| Feb 15AKST | 7:10 AM | 7:23 AM | 8:10 AM |
| Mar 1AKST | 6:27 AM | 6:42 AM | 7:27 AM |
| Mar 15AKDT | 6:42 AM | 6:58 AM | 7:42 AM |
| Apr 1AKDT | 5:47 AM | 6:01 AM | 6:47 AM |
| Apr 15AKDT | 5:01 AM | 5:11 AM | 6:01 AM |
| May 1AKDT | 4:11 AM | 4:12 AM | 5:11 AM |
| May 15AKDT | 3:31 AM | 3:15 AM | 4:31 AM |
| Jun 1AKDT | 2:52 AM | No night | 3:52 AM |
| Jun 15AKDT | 2:35 AM | No night | 3:35 AM |
| Jul 1AKDT | 2:42 AM | No night | 3:42 AM |
| Jul 15AKDT | 3:08 AM | 2:15 AM | 4:08 AM |
| Aug 1AKDT | 3:51 AM | 3:40 AM | 4:51 AM |
| Aug 15AKDT | 4:29 AM | 4:32 AM | 5:29 AM |
| Sep 1AKDT | 5:14 AM | 5:26 AM | 6:14 AM |
| Sep 15AKDT | 5:51 AM | 6:05 AM | 6:51 AM |
| Oct 1AKDT | 6:32 AM | 6:48 AM | 7:32 AM |
| Oct 15AKDT | 7:09 AM | 7:24 AM | 8:09 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
NSTD; POLE WITH COLORED STREAMERS.
Runway 03/21
900 × 12 ft · Dirt
Frequencies
Night at 4Z5, in short
When can I log night time at 4Z5?
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 4:55 PM to 7:24 AM AKST.
When do landings at 4Z5 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 5:04 PM to 7:14 AM AKST.
When are position lights required at 4Z5?
From sunset to sunrise (14 CFR 91.209(a)), with a different rule in Alaska. On the night of Nov 6, 2026, that was 4:04 PM to 8:14 AM AKST.
Nearby airports
- CZN Chisana Chisana, AK · 25 nm
- CYXQ Beaver Creek Beaver Creek · 26 nm
- KGZ Glacier Creek Glacier Creek, AK · 48 nm
- MYK May Creek May Creek, AK · 59 nm
- PAMX Mccarthy Mccarthy, AK · 60 nm
- PAOR Northway Northway, AK · 61 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.