W37 American Lake night times
Lakewood, WA · Seaplane base
Night of Nov 6 to Nov 7PST
Position lights
§ 91.2094:46 PMto7:03 AM
Sunset to sunrise. Lights on.
0046Z to 1503Z
Night logging
§ 1.15:19 PMto6:30 AM
Civil twilight. Log it as night.
0119Z to 1430Z
Night currency
§ 61.57(b)5:46 PMto6:03 AM
One hour after sunset. Landings count.
0146Z to 1403Z
Evenings at W37
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1PST | 4:53 PM | 5:25 PM | 5:53 PM |
| Nov 15PST | 4:35 PM | 5:08 PM | 5:35 PM |
| Dec 1PST | 4:22 PM | 4:57 PM | 5:22 PM |
| Dec 15PST | 4:21 PM | 4:57 PM | 5:21 PM |
| Jan 1PST | 4:31 PM | 5:07 PM | 5:31 PM |
| Jan 15PST | 4:48 PM | 5:22 PM | 5:48 PM |
| Feb 1PST | 5:13 PM | 5:45 PM | 6:13 PM |
| Feb 15PST | 5:34 PM | 6:06 PM | 6:34 PM |
| Mar 1PST | 5:56 PM | 6:26 PM | 6:56 PM |
| Mar 15PDT | 7:16 PM | 7:46 PM | 8:16 PM |
| Apr 1PDT | 7:40 PM | 8:11 PM | 8:40 PM |
| Apr 15PDT | 7:59 PM | 8:31 PM | 8:59 PM |
| May 1PDT | 8:21 PM | 8:55 PM | 9:21 PM |
| May 15PDT | 8:40 PM | 9:16 PM | 9:40 PM |
| Jun 1PDT | 8:58 PM | 9:37 PM | 9:58 PM |
| Jun 15PDT | 9:08 PM | 9:48 PM | 10:08 PM |
| Jul 1PDT | 9:09 PM | 9:49 PM | 10:09 PM |
| Jul 15PDT | 9:02 PM | 9:40 PM | 10:02 PM |
| Aug 1PDT | 8:43 PM | 9:19 PM | 9:43 PM |
| Aug 15PDT | 8:21 PM | 8:55 PM | 9:21 PM |
| Sep 1PDT | 7:50 PM | 8:22 PM | 8:50 PM |
| Sep 15PDT | 7:22 PM | 7:53 PM | 8:22 PM |
| Oct 1PDT | 6:50 PM | 7:20 PM | 7:50 PM |
| Oct 15PDT | 6:23 PM | 6:54 PM | 7:23 PM |
Mornings at W37
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1PST | 5:54 AM | 6:22 AM | 6:54 AM |
| Nov 15PST | 6:14 AM | 6:41 AM | 7:14 AM |
| Dec 1PST | 6:36 AM | 7:01 AM | 7:36 AM |
| Dec 15PST | 6:50 AM | 7:14 AM | 7:50 AM |
| Jan 1PST | 6:57 AM | 7:21 AM | 7:57 AM |
| Jan 15PST | 6:52 AM | 7:18 AM | 7:52 AM |
| Feb 1PST | 6:36 AM | 7:03 AM | 7:36 AM |
| Feb 15PST | 6:15 AM | 6:44 AM | 7:15 AM |
| Mar 1PST | 5:50 AM | 6:20 AM | 6:50 AM |
| Mar 15PDT | 6:23 AM | 6:53 AM | 7:23 AM |
| Apr 1PDT | 5:49 AM | 6:18 AM | 6:49 AM |
| Apr 15PDT | 5:22 AM | 5:50 AM | 6:22 AM |
| May 1PDT | 4:54 AM | 5:20 AM | 5:54 AM |
| May 15PDT | 4:34 AM | 4:58 AM | 5:34 AM |
| Jun 1PDT | 4:19 AM | 4:40 AM | 5:19 AM |
| Jun 15PDT | 4:14 AM | 4:34 AM | 5:14 AM |
| Jul 1PDT | 4:19 AM | 4:39 AM | 5:19 AM |
| Jul 15PDT | 4:30 AM | 4:52 AM | 5:30 AM |
| Aug 1PDT | 4:49 AM | 5:14 AM | 5:49 AM |
| Aug 15PDT | 5:07 AM | 5:34 AM | 6:07 AM |
| Sep 1PDT | 5:29 AM | 5:58 AM | 6:29 AM |
| Sep 15PDT | 5:48 AM | 6:17 AM | 6:48 AM |
| Oct 1PDT | 6:09 AM | 6:39 AM | 7:09 AM |
| Oct 15PDT | 6:28 AM | 6:58 AM | 7:28 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
SEAPLANE DOCK AVAILABLE DURING PARK HOURS, 7:00 AM TO SUNSET.
Runway 02W/20W
5,500 × 500 ft · Water
Frequencies
Night at W37, in short
When can I log night time at W37?
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 5:19 PM to 6:30 AM PST.
When do landings at W37 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 5:46 PM to 6:03 AM PST.
When are position lights required at W37?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:46 PM to 7:03 AM PST.
Nearby airports
- KTIW Tacoma Narrows Tacoma, WA · 8 nm
- 3B8 Shady Acres Spanaway, WA · 9 nm
- KPLU Pierce County/Thun Field Puyallup, WA · 11 nm
- 44T Hoskins Field Olympia, WA · 14 nm
- KOLM Olympia Regional Olympia, WA · 17 nm
- S50 Auburn Municipal Auburn, WA · 18 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.