1S9 Chewelah Municipal night times
Chewelah, WA
Night of Nov 6 to Nov 7PST
Position lights
§ 91.2094:24 PMto6:46 AM
Sunset to sunrise. Lights on.
0024Z to 1446Z
Night logging
§ 1.14:57 PMto6:13 AM
Civil twilight. Log it as night.
0057Z to 1413Z
Night currency
§ 61.57(b)5:24 PMto5:46 AM
One hour after sunset. Landings count.
0124Z to 1346Z
Evenings at 1S9
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1PST | 4:31 PM | 5:04 PM | 5:31 PM |
| Nov 15PST | 4:12 PM | 4:46 PM | 5:12 PM |
| Dec 1PST | 3:59 PM | 4:35 PM | 4:59 PM |
| Dec 15PST | 3:57 PM | 4:33 PM | 4:57 PM |
| Jan 1PST | 4:07 PM | 4:44 PM | 5:07 PM |
| Jan 15PST | 4:24 PM | 4:59 PM | 5:24 PM |
| Feb 1PST | 4:50 PM | 5:24 PM | 5:50 PM |
| Feb 15PST | 5:13 PM | 5:45 PM | 6:13 PM |
| Mar 1PST | 5:35 PM | 6:06 PM | 6:35 PM |
| Mar 15PDT | 6:56 PM | 7:27 PM | 7:56 PM |
| Apr 1PDT | 7:21 PM | 7:53 PM | 8:21 PM |
| Apr 15PDT | 7:42 PM | 8:15 PM | 8:42 PM |
| May 1PDT | 8:05 PM | 8:40 PM | 9:05 PM |
| May 15PDT | 8:24 PM | 9:02 PM | 9:24 PM |
| Jun 1PDT | 8:44 PM | 9:24 PM | 9:44 PM |
| Jun 15PDT | 8:54 PM | 9:35 PM | 9:54 PM |
| Jul 1PDT | 8:55 PM | 9:37 PM | 9:55 PM |
| Jul 15PDT | 8:48 PM | 9:27 PM | 9:48 PM |
| Aug 1PDT | 8:28 PM | 9:04 PM | 9:28 PM |
| Aug 15PDT | 8:05 PM | 8:39 PM | 9:05 PM |
| Sep 1PDT | 7:32 PM | 8:05 PM | 8:32 PM |
| Sep 15PDT | 7:04 PM | 7:35 PM | 8:04 PM |
| Oct 1PDT | 6:30 PM | 7:01 PM | 7:30 PM |
| Oct 15PDT | 6:02 PM | 6:34 PM | 7:02 PM |
Mornings at 1S9
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1PST | 5:37 AM | 6:04 AM | 6:37 AM |
| Nov 15PST | 5:59 AM | 6:24 AM | 6:59 AM |
| Dec 1PST | 6:21 AM | 6:45 AM | 7:21 AM |
| Dec 15PST | 6:36 AM | 6:59 AM | 7:36 AM |
| Jan 1PST | 6:42 AM | 7:06 AM | 7:42 AM |
| Jan 15PST | 6:37 AM | 7:02 AM | 7:37 AM |
| Feb 1PST | 6:20 AM | 6:46 AM | 7:20 AM |
| Feb 15PST | 5:58 AM | 6:26 AM | 6:58 AM |
| Mar 1PST | 5:32 AM | 6:01 AM | 6:32 AM |
| Mar 15PDT | 6:04 AM | 6:33 AM | 7:04 AM |
| Apr 1PDT | 5:29 AM | 5:58 AM | 6:29 AM |
| Apr 15PDT | 5:01 AM | 5:28 AM | 6:01 AM |
| May 1PDT | 4:32 AM | 4:57 AM | 5:32 AM |
| May 15PDT | 4:11 AM | 4:34 AM | 5:11 AM |
| Jun 1PDT | 3:54 AM | 4:14 AM | 4:54 AM |
| Jun 15PDT | 3:49 AM | 4:08 AM | 4:49 AM |
| Jul 1PDT | 3:54 AM | 4:13 AM | 4:54 AM |
| Jul 15PDT | 4:06 AM | 4:26 AM | 5:06 AM |
| Aug 1PDT | 4:26 AM | 4:49 AM | 5:26 AM |
| Aug 15PDT | 4:45 AM | 5:10 AM | 5:45 AM |
| Sep 1PDT | 5:09 AM | 5:36 AM | 6:09 AM |
| Sep 15PDT | 5:28 AM | 5:56 AM | 6:28 AM |
| Oct 1PDT | 5:50 AM | 6:19 AM | 6:50 AM |
| Oct 15PDT | 6:11 AM | 6:39 AM | 7:11 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT MIRL RY 17/35 - CTAF. PAPI RY 17 AND RY 35 OPER CONTINUOUSLY.
Runway 17/35
3,537 × 48 ft · Asphalt
Frequencies
Night at 1S9, in short
When can I log night time at 1S9?
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 4:57 PM to 6:13 AM PST.
When do landings at 1S9 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 5:24 PM to 5:46 AM PST.
When are position lights required at 1S9?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:24 PM to 6:46 AM PST.
Nearby airports
- 63S Colville Municipal Colville, WA · 15 nm
- KDEW Deer Park Deer Park, WA · 24 nm
- S23 Ione Municipal Ione, WA · 27 nm
- 1S6 Priest River Priest River, ID · 34 nm
- 67S Priest Lake USFS Nordman, ID · 35 nm
- 70S Mead Flying Service Mead, WA · 35 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.