2Z5 Chena River night times
Fairbanks, AK · Seaplane base
Night of Nov 6 to Nov 7AKST
Position lights
§ 91.2094:12 PMto9:00 AM
Sunset to sunrise. Lights on.
0112Z to 1800Z
Night logging
§ 1.15:10 PMto8:02 AM
Civil twilight. Log it as night.
0210Z to 1702Z
Night currency
§ 61.57(b)5:12 PMto8:00 AM
One hour after sunset. Landings count.
0212Z to 1700Z
Evenings at 2Z5
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1AKST | 4:29 PM | 5:24 PM | 5:29 PM |
| Nov 15AKST | 3:43 PM | 4:46 PM | 4:43 PM |
| Dec 1AKST | 3:00 PM | 4:15 PM | 4:00 PM |
| Dec 15AKST | 2:40 PM | 4:05 PM | 3:40 PM |
| Jan 1AKST | 2:56 PM | 4:18 PM | 3:56 PM |
| Jan 15AKST | 3:35 PM | 4:46 PM | 4:35 PM |
| Feb 1AKST | 4:34 PM | 5:33 PM | 5:34 PM |
| Feb 15AKST | 5:22 PM | 6:15 PM | 6:22 PM |
| Mar 1AKST | 6:08 PM | 6:58 PM | 7:08 PM |
| Mar 15AKDT | 7:52 PM | 8:41 PM | 8:52 PM |
| Apr 1AKDT | 8:45 PM | 9:36 PM | 9:45 PM |
| Apr 15AKDT | 9:29 PM | 10:27 PM | 10:29 PM |
| May 1AKDT | 10:21 PM | 11:36 PM | 11:21 PM |
| May 15AKDT | 11:10 PM | 1:29 AM | 12:10 AM |
| Jun 1AKDT | 12:08 AM | No night | 1:08 AM |
| Jun 15AKDT | 12:44 AM | No night | 1:44 AM |
| Jul 1AKDT | 12:37 AM | No night | 1:37 AM |
| Jul 15AKDT | 11:59 PM | No night | 12:59 AM |
| Aug 1AKDT | 11:02 PM | 12:38 AM | 12:02 AM |
| Aug 15AKDT | 10:11 PM | 11:19 PM | 11:11 PM |
| Sep 1AKDT | 9:09 PM | 10:04 PM | 10:09 PM |
| Sep 15AKDT | 8:18 PM | 9:08 PM | 9:18 PM |
| Oct 1AKDT | 7:19 PM | 8:08 PM | 8:19 PM |
| Oct 15AKDT | 6:29 PM | 7:19 PM | 7:29 PM |
Mornings at 2Z5
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1AKST | 7:40 AM | 7:45 AM | 8:40 AM |
| Nov 15AKST | 8:28 AM | 8:25 AM | 9:28 AM |
| Dec 1AKST | 9:20 AM | 9:05 AM | 10:20 AM |
| Dec 15AKST | 9:53 AM | 9:28 AM | 10:53 AM |
| Jan 1AKST | 9:55 AM | 9:33 AM | 10:55 AM |
| Jan 15AKST | 9:27 AM | 9:16 AM | 10:27 AM |
| Feb 1AKST | 8:37 AM | 8:38 AM | 9:37 AM |
| Feb 15AKST | 7:50 AM | 7:57 AM | 8:50 AM |
| Mar 1AKST | 7:00 AM | 7:11 AM | 8:00 AM |
| Mar 15AKDT | 7:10 AM | 7:21 AM | 8:10 AM |
| Apr 1AKDT | 6:08 AM | 6:17 AM | 7:08 AM |
| Apr 15AKDT | 5:16 AM | 5:19 AM | 6:16 AM |
| May 1AKDT | 4:18 AM | 4:05 AM | 5:18 AM |
| May 15AKDT | 3:28 AM | 2:25 AM | 4:28 AM |
| Jun 1AKDT | 2:33 AM | No night | 3:33 AM |
| Jun 15AKDT | 2:02 AM | No night | 3:02 AM |
| Jul 1AKDT | 2:12 AM | No night | 3:12 AM |
| Jul 15AKDT | 2:53 AM | No night | 3:53 AM |
| Aug 1AKDT | 3:51 AM | 3:11 AM | 4:51 AM |
| Aug 15AKDT | 4:38 AM | 4:29 AM | 5:38 AM |
| Sep 1AKDT | 5:32 AM | 5:36 AM | 6:32 AM |
| Sep 15AKDT | 6:14 AM | 6:23 AM | 7:14 AM |
| Oct 1AKDT | 7:01 AM | 7:12 AM | 8:01 AM |
| Oct 15AKDT | 7:44 AM | 7:54 AM | 8:44 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway E/W
3,000 × 300 ft · Water
Runway N/S
5,000 × 300 ft · Water
Frequencies
Night at 2Z5, in short
When can I log night time at 2Z5?
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 5:10 PM to 8:02 AM AKST.
When do landings at 2Z5 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 5:12 PM to 8:00 AM AKST.
When are position lights required at 2Z5?
From sunset to sunrise (14 CFR 91.209(a)), with a different rule in Alaska. On the night of Nov 6, 2026, that was 4:12 PM to 9:00 AM AKST.
Nearby airports
- PAFA Fairbanks International Fairbanks, AK · 1 nm
- 95Z Bradley Sky-Ranch North Pole, AK · 13 nm
- PANN Nenana Municipal Nenana, AK · 36 nm
- PAAN Gold King Creek Fairbanks, AK · 38 nm
- PAAF Minto Al Wright Minto, AK · 43 nm
- 4AK Livengood Camp Livengood, AK · 43 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.