KOY Olga Bay night times
Olga Bay, AK · Seaplane base
Night of Nov 6 to Nov 7AKST
Position lights
§ 91.2095:20 PMto8:42 AM
Sunset to sunrise. Lights on.
0220Z to 1742Z
Night logging
§ 1.16:02 PMto8:00 AM
Civil twilight. Log it as night.
0302Z to 1700Z
Night currency
§ 61.57(b)6:20 PMto7:42 AM
One hour after sunset. Landings count.
0320Z to 1642Z
Evenings at KOY
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1AKST | 5:31 PM | 6:12 PM | 6:31 PM |
| Nov 15AKST | 5:03 PM | 5:47 PM | 6:03 PM |
| Dec 1AKST | 4:40 PM | 5:28 PM | 5:40 PM |
| Dec 15AKST | 4:34 PM | 5:23 PM | 5:34 PM |
| Jan 1AKST | 4:45 PM | 5:35 PM | 5:45 PM |
| Jan 15AKST | 5:09 PM | 5:55 PM | 6:09 PM |
| Feb 1AKST | 5:45 PM | 6:28 PM | 6:45 PM |
| Feb 15AKST | 6:18 PM | 6:58 PM | 7:18 PM |
| Mar 1AKST | 6:50 PM | 7:28 PM | 7:50 PM |
| Mar 15AKDT | 8:20 PM | 8:59 PM | 9:20 PM |
| Apr 1AKDT | 8:57 PM | 9:36 PM | 9:57 PM |
| Apr 15AKDT | 9:27 PM | 10:09 PM | 10:27 PM |
| May 1AKDT | 10:02 PM | 10:49 PM | 11:02 PM |
| May 15AKDT | 10:31 PM | 11:24 PM | 11:31 PM |
| Jun 1AKDT | 11:00 PM | 12:03 AM | 12:00 AM |
| Jun 15AKDT | 11:15 PM | 12:23 AM | 12:15 AM |
| Jul 1AKDT | 11:15 PM | 12:22 AM | 12:15 AM |
| Jul 15AKDT | 11:01 PM | 12:01 AM | 12:01 AM |
| Aug 1AKDT | 10:30 PM | 11:21 PM | 11:30 PM |
| Aug 15AKDT | 9:58 PM | 10:43 PM | 10:58 PM |
| Sep 1AKDT | 9:13 PM | 9:54 PM | 10:13 PM |
| Sep 15AKDT | 8:35 PM | 9:14 PM | 9:35 PM |
| Oct 1AKDT | 7:51 PM | 8:29 PM | 8:51 PM |
| Oct 15AKDT | 7:14 PM | 7:52 PM | 8:14 PM |
Mornings at KOY
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1AKST | 7:29 AM | 7:48 AM | 8:29 AM |
| Nov 15AKST | 8:00 AM | 8:16 AM | 9:00 AM |
| Dec 1AKST | 8:32 AM | 8:44 AM | 9:32 AM |
| Dec 15AKST | 8:51 AM | 9:01 AM | 9:51 AM |
| Jan 1AKST | 8:56 AM | 9:07 AM | 9:56 AM |
| Jan 15AKST | 8:45 AM | 8:58 AM | 9:45 AM |
| Feb 1AKST | 8:16 AM | 8:34 AM | 9:16 AM |
| Feb 15AKST | 7:45 AM | 8:05 AM | 8:45 AM |
| Mar 1AKST | 7:10 AM | 7:31 AM | 8:10 AM |
| Mar 15AKDT | 7:32 AM | 7:54 AM | 8:32 AM |
| Apr 1AKDT | 6:46 AM | 7:07 AM | 7:46 AM |
| Apr 15AKDT | 6:08 AM | 6:26 AM | 7:08 AM |
| May 1AKDT | 5:28 AM | 5:41 AM | 6:28 AM |
| May 15AKDT | 4:57 AM | 5:04 AM | 5:57 AM |
| Jun 1AKDT | 4:30 AM | 4:28 AM | 5:30 AM |
| Jun 15AKDT | 4:21 AM | 4:12 AM | 5:21 AM |
| Jul 1AKDT | 4:26 AM | 4:19 AM | 5:26 AM |
| Jul 15AKDT | 4:44 AM | 4:44 AM | 5:44 AM |
| Aug 1AKDT | 5:15 AM | 5:24 AM | 6:15 AM |
| Aug 15AKDT | 5:44 AM | 5:58 AM | 6:44 AM |
| Sep 1AKDT | 6:19 AM | 6:38 AM | 7:19 AM |
| Sep 15AKDT | 6:48 AM | 7:09 AM | 7:48 AM |
| Oct 1AKDT | 7:21 AM | 7:43 AM | 8:21 AM |
| Oct 15AKDT | 7:51 AM | 8:12 AM | 8:51 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway ALL/WAY
10,000 × 1000 ft · Water
Frequencies
Night at KOY, in short
When can I log night time at KOY?
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 6:02 PM to 8:00 AM AKST.
When do landings at KOY 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 6:20 PM to 7:42 AM AKST.
When are position lights required at KOY?
From sunset to sunrise (14 CFR 91.209(a)), with a different rule in Alaska. On the night of Nov 6, 2026, that was 5:20 PM to 8:42 AM AKST.
Nearby airports
- KMY Moser Bay Moser Bay, AK · 9 nm
- PAKH Akhiok Akhiok, AK · 13 nm
- KKL Karluk Lake Karluk Lake, AK · 14 nm
- ALZ Alitak Lazy Bay, AK · 16 nm
- PALB Larsen Bay Larsen Bay, AK · 24 nm
- PAKY Karluk Karluk, AK · 25 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.