KTB Thorne Bay night times
Thorne Bay, AK · Seaplane base
Night of Nov 6 to Nov 7AKST
Position lights
§ 91.2094:00 PMto7:09 AM
Sunset to sunrise. Lights on.
0100Z to 1609Z
Night logging
§ 1.14:40 PMto6:29 AM
Civil twilight. Log it as night.
0140Z to 1529Z
Night currency
§ 61.57(b)5:00 PMto6:09 AM
One hour after sunset. Landings count.
0200Z to 1509Z
Evenings at KTB
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1AKST | 4:10 PM | 4:49 PM | 5:10 PM |
| Nov 15AKST | 3:43 PM | 4:25 PM | 4:43 PM |
| Dec 1AKST | 3:23 PM | 4:08 PM | 4:23 PM |
| Dec 15AKST | 3:17 PM | 4:04 PM | 4:17 PM |
| Jan 1AKST | 3:28 PM | 4:15 PM | 4:28 PM |
| Jan 15AKST | 3:50 PM | 4:34 PM | 4:50 PM |
| Feb 1AKST | 4:25 PM | 5:05 PM | 5:25 PM |
| Feb 15AKST | 4:55 PM | 5:33 PM | 5:55 PM |
| Mar 1AKST | 5:25 PM | 6:02 PM | 6:25 PM |
| Mar 15AKDT | 6:54 PM | 7:31 PM | 7:54 PM |
| Apr 1AKDT | 7:28 PM | 8:06 PM | 8:28 PM |
| Apr 15AKDT | 7:56 PM | 8:36 PM | 8:56 PM |
| May 1AKDT | 8:28 PM | 9:13 PM | 9:28 PM |
| May 15AKDT | 8:55 PM | 9:45 PM | 9:55 PM |
| Jun 1AKDT | 9:23 PM | 10:19 PM | 10:23 PM |
| Jun 15AKDT | 9:36 PM | 10:37 PM | 10:36 PM |
| Jul 1AKDT | 9:37 PM | 10:36 PM | 10:37 PM |
| Jul 15AKDT | 9:24 PM | 10:19 PM | 10:24 PM |
| Aug 1AKDT | 8:56 PM | 9:43 PM | 9:56 PM |
| Aug 15AKDT | 8:26 PM | 9:08 PM | 9:26 PM |
| Sep 1AKDT | 7:44 PM | 8:23 PM | 8:44 PM |
| Sep 15AKDT | 7:07 PM | 7:45 PM | 8:07 PM |
| Oct 1AKDT | 6:25 PM | 7:02 PM | 7:25 PM |
| Oct 15AKDT | 5:50 PM | 6:27 PM | 6:50 PM |
Mornings at KTB
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1AKST | 5:57 AM | 6:17 AM | 6:57 AM |
| Nov 15AKST | 6:26 AM | 6:44 AM | 7:26 AM |
| Dec 1AKST | 6:56 AM | 7:11 AM | 7:56 AM |
| Dec 15AKST | 7:14 AM | 7:27 AM | 8:14 AM |
| Jan 1AKST | 7:19 AM | 7:33 AM | 8:19 AM |
| Jan 15AKST | 7:09 AM | 7:25 AM | 8:09 AM |
| Feb 1AKST | 6:44 AM | 7:03 AM | 7:44 AM |
| Feb 15AKST | 6:14 AM | 6:36 AM | 7:14 AM |
| Mar 1AKST | 5:41 AM | 6:04 AM | 6:41 AM |
| Mar 15AKDT | 6:05 AM | 6:29 AM | 7:05 AM |
| Apr 1AKDT | 5:21 AM | 5:43 AM | 6:21 AM |
| Apr 15AKDT | 4:45 AM | 5:05 AM | 5:45 AM |
| May 1AKDT | 4:07 AM | 4:23 AM | 5:07 AM |
| May 15AKDT | 3:39 AM | 3:50 AM | 4:39 AM |
| Jun 1AKDT | 3:14 AM | 3:18 AM | 4:14 AM |
| Jun 15AKDT | 3:06 AM | 3:05 AM | 4:06 AM |
| Jul 1AKDT | 3:11 AM | 3:11 AM | 4:11 AM |
| Jul 15AKDT | 3:27 AM | 3:32 AM | 4:27 AM |
| Aug 1AKDT | 3:56 AM | 4:08 AM | 4:56 AM |
| Aug 15AKDT | 4:22 AM | 4:39 AM | 5:22 AM |
| Sep 1AKDT | 4:55 AM | 5:16 AM | 5:55 AM |
| Sep 15AKDT | 5:22 AM | 5:45 AM | 6:22 AM |
| Oct 1AKDT | 5:53 AM | 6:16 AM | 6:53 AM |
| Oct 15AKDT | 6:21 AM | 6:44 AM | 7:21 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway NW/SE
5,000 × 2000 ft · Water
Frequencies
Night at KTB, in short
When can I log night time at KTB?
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 4:40 PM to 6:29 AM AKST.
When do landings at KTB 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 5:00 PM to 6:09 AM AKST.
When are position lights required at KTB?
From sunset to sunrise (14 CFR 91.209(a)), with a different rule in Alaska. On the night of Nov 6, 2026, that was 4:00 PM to 7:09 AM AKST.
Nearby airports
- 84K Meyers Chuck Meyers Chuck, AK · 10 nm
- KXA Kasaan Kasaan, AK · 10 nm
- HYL Clark Bay Hollis, AK · 12 nm
- PAKW Klawock Klawock, AK · 19 nm
- PAKC Coffman Cove Coffman Cove, AK · 22 nm
- CGA Craig Craig, AK · 24 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.