LogNight

Z20 Tuntutuliak night times

Tuntutuliak, AK · Seaplane base

Night of Nov 6 to Nov 7AKST

Position lights

§ 91.209

5:39 PMto9:31 AM

Sunset to sunrise. Lights on.

0239Z to 1831Z

Night logging

§ 1.1

6:26 PMto8:44 AM

Civil twilight. Log it as night.

0326Z to 1744Z

Night currency

§ 61.57(b)

6:39 PMto8:31 AM

One hour after sunset. Landings count.

0339Z to 1731Z

Other dates, moon, and night hours

Evenings at Z20

When each night begins, through the year. Local time.

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1AKST 5:52 PM6:38 PM6:52 PM
Nov 15AKST 5:18 PM6:08 PM6:18 PM
Dec 1AKST 4:50 PM5:45 PM5:50 PM
Dec 15AKST 4:40 PM5:39 PM5:40 PM
Jan 1AKST 4:53 PM5:51 PM5:53 PM
Jan 15AKST 5:20 PM6:14 PM6:20 PM
Feb 1AKST 6:03 PM6:51 PM7:03 PM
Feb 15AKST 6:41 PM7:25 PM7:41 PM
Mar 1AKST 7:18 PM8:00 PM8:18 PM
Mar 15AKDT 8:53 PM9:35 PM9:53 PM
Apr 1AKDT 9:35 PM10:19 PM10:35 PM
Apr 15AKDT 10:10 PM10:58 PM11:10 PM
May 1AKDT 10:51 PM11:46 PM11:51 PM
May 15AKDT 11:26 PM12:32 AM12:26 AM
Jun 1AKDT 12:02 AM1:32 AM1:02 AM
Jun 15AKDT 12:20 AM2:16 AM1:20 AM
Jul 1AKDT 12:19 AM2:05 AM1:19 AM
Jul 15AKDT 12:01 AM1:21 AM1:01 AM
Aug 1AKDT 11:23 PM12:24 AM12:23 AM
Aug 15AKDT 10:45 PM11:37 PM11:45 PM
Sep 1AKDT 9:55 PM10:40 PM10:55 PM
Sep 15AKDT 9:12 PM9:54 PM10:12 PM
Oct 1AKDT 8:22 PM9:04 PM9:22 PM
Oct 15AKDT 7:40 PM8:23 PM8:40 PM

Mornings at Z20

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1AKST 8:15 AM8:30 AM9:15 AM
Nov 15AKST 8:52 AM9:02 AM9:52 AM
Dec 1AKST 9:29 AM9:34 AM10:29 AM
Dec 15AKST 9:52 AM9:53 AM10:52 AM
Jan 1AKST 9:56 AM9:58 AM10:56 AM
Jan 15AKST 9:41 AM9:47 AM10:41 AM
Feb 1AKST 9:06 AM9:18 AM10:06 AM
Feb 15AKST 8:29 AM8:45 AM9:29 AM
Mar 1AKST 7:49 AM8:07 AM8:49 AM
Mar 15AKDT 8:07 AM8:25 AM9:07 AM
Apr 1AKDT 7:15 AM7:32 AM8:15 AM
Apr 15AKDT 6:33 AM6:46 AM7:33 AM
May 1AKDT 5:46 AM5:52 AM6:46 AM
May 15AKDT 5:10 AM5:05 AM6:10 AM
Jun 1AKDT 4:36 AM4:09 AM5:36 AM
Jun 15AKDT 4:23 AM3:29 AM5:23 AM
Jul 1AKDT 4:29 AM3:42 AM5:29 AM
Jul 15AKDT 4:51 AM4:30 AM5:51 AM
Aug 1AKDT 5:29 AM5:28 AM6:29 AM
Aug 15AKDT 6:04 AM6:11 AM7:04 AM
Sep 1AKDT 6:45 AM6:59 AM7:45 AM
Sep 15AKDT 7:18 AM7:36 AM8:18 AM
Oct 1AKDT 7:57 AM8:15 AM8:57 AM
Oct 15AKDT 8:31 AM8:48 AM9:31 AM

Lights and runways

As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.

Field elevation 15 ft MSL
Airport lights Not listed
Beacon Not listed
Wind indicator None

Runway NE/SW

2,000 × 200 ft · Water

Edge lights Not listed
NE None listed
SW None listed

Runway NW/SE

2,000 × 200 ft · Water

Edge lights Not listed
NW None listed
SE None listed

Frequencies

CTAF 122.7

Night at Z20, in short

When can I log night time at Z20?

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 6:26 PM to 8:44 AM AKST.

When do landings at Z20 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 6:39 PM to 8:31 AM AKST.

When are position lights required at Z20?

From sunset to sunrise (14 CFR 91.209(a)), with a different rule in Alaska. On the night of Nov 6, 2026, that was 5:39 PM to 9:31 AM AKST.

Nearby airports

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.