BYA Boundary night times
Boundary, AK
Night of Nov 6 to Nov 7AKST
Position lights
§ 91.2093:51 PMto8:28 AM
Sunset to sunrise. Lights on.
0051Z to 1728Z
Night logging
§ 1.14:46 PMto7:32 AM
Civil twilight. Log it as night.
0146Z to 1632Z
Night currency
§ 61.57(b)4:51 PMto7:28 AM
One hour after sunset. Landings count.
0151Z to 1628Z
Evenings at BYA
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1AKST | 4:07 PM | 5:00 PM | 5:07 PM |
| Nov 15AKST | 3:24 PM | 4:24 PM | 4:24 PM |
| Dec 1AKST | 2:44 PM | 3:55 PM | 3:44 PM |
| Dec 15AKST | 2:27 PM | 3:45 PM | 3:27 PM |
| Jan 1AKST | 2:42 PM | 3:57 PM | 3:42 PM |
| Jan 15AKST | 3:18 PM | 4:25 PM | 4:18 PM |
| Feb 1AKST | 4:13 PM | 5:10 PM | 5:13 PM |
| Feb 15AKST | 4:59 PM | 5:50 PM | 5:59 PM |
| Mar 1AKST | 5:43 PM | 6:31 PM | 6:43 PM |
| Mar 15AKDT | 7:26 PM | 8:13 PM | 8:26 PM |
| Apr 1AKDT | 8:16 PM | 9:06 PM | 9:16 PM |
| Apr 15AKDT | 8:58 PM | 9:54 PM | 9:58 PM |
| May 1AKDT | 9:48 PM | 10:59 PM | 10:48 PM |
| May 15AKDT | 10:34 PM | 12:20 AM | 11:34 PM |
| Jun 1AKDT | 11:26 PM | No night | 12:26 AM |
| Jun 15AKDT | 11:55 PM | No night | 12:55 AM |
| Jul 1AKDT | 11:51 PM | No night | 12:51 AM |
| Jul 15AKDT | 11:20 PM | No night | 12:20 AM |
| Aug 1AKDT | 10:27 PM | 11:53 PM | 11:27 PM |
| Aug 15AKDT | 9:39 PM | 10:43 PM | 10:39 PM |
| Sep 1AKDT | 8:40 PM | 9:32 PM | 9:40 PM |
| Sep 15AKDT | 7:50 PM | 8:38 PM | 8:50 PM |
| Oct 1AKDT | 6:53 PM | 7:40 PM | 7:53 PM |
| Oct 15AKDT | 6:04 PM | 6:53 PM | 7:04 PM |
Mornings at BYA
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1AKST | 7:08 AM | 7:15 AM | 8:08 AM |
| Nov 15AKST | 7:54 AM | 7:54 AM | 8:54 AM |
| Dec 1AKST | 8:43 AM | 8:32 AM | 9:43 AM |
| Dec 15AKST | 9:12 AM | 8:55 AM | 10:12 AM |
| Jan 1AKST | 9:15 AM | 8:59 AM | 10:15 AM |
| Jan 15AKST | 8:51 AM | 8:44 AM | 9:51 AM |
| Feb 1AKST | 8:04 AM | 8:07 AM | 9:04 AM |
| Feb 15AKST | 7:19 AM | 7:28 AM | 8:19 AM |
| Mar 1AKST | 6:32 AM | 6:44 AM | 7:32 AM |
| Mar 15AKDT | 6:43 AM | 6:55 AM | 7:43 AM |
| Apr 1AKDT | 5:42 AM | 5:53 AM | 6:42 AM |
| Apr 15AKDT | 4:53 AM | 4:58 AM | 5:53 AM |
| May 1AKDT | 3:57 AM | 3:48 AM | 4:57 AM |
| May 15AKDT | 3:10 AM | 2:29 AM | 4:10 AM |
| Jun 1AKDT | 2:21 AM | No night | 3:21 AM |
| Jun 15AKDT | 1:56 AM | No night | 2:56 AM |
| Jul 1AKDT | 2:04 AM | No night | 3:04 AM |
| Jul 15AKDT | 2:39 AM | No night | 3:39 AM |
| Aug 1AKDT | 3:32 AM | 3:03 AM | 4:32 AM |
| Aug 15AKDT | 4:16 AM | 4:11 AM | 5:16 AM |
| Sep 1AKDT | 5:07 AM | 5:14 AM | 6:07 AM |
| Sep 15AKDT | 5:48 AM | 5:59 AM | 6:48 AM |
| Oct 1AKDT | 6:33 AM | 6:46 AM | 7:33 AM |
| Oct 15AKDT | 7:15 AM | 7:26 AM | 8:15 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 05/23
2,325 × 60 ft · Gravel
Frequencies
Night at BYA, in short
When can I log night time at BYA?
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 4:46 PM to 7:32 AM AKST.
When do landings at BYA 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 4:51 PM to 7:28 AM AKST.
When are position lights required at BYA?
From sunset to sunrise (14 CFR 91.209(a)), with a different rule in Alaska. On the night of Nov 6, 2026, that was 3:51 PM to 8:28 AM AKST.
Nearby airports
- PAAY Chicken Chicken, AK · 22 nm
- PAEG Eagle Eagle, AK · 42 nm
- CYDA Dawson City Dawson City · 52 nm
- PFTO Tok Junction Tok, AK · 66 nm
- 3T4 Tetlin Tetlin, AK · 68 nm
- PAOR Northway Northway, AK · 71 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.