3A9 Arlington Municipal night times
Arlington, SD
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:11 PMto7:14 AM
Sunset to sunrise. Lights on.
2311Z to 1314Z
Night logging
§ 1.15:42 PMto6:43 AM
Civil twilight. Log it as night.
2342Z to 1243Z
Night currency
§ 61.57(b)6:11 PMto6:14 AM
One hour after sunset. Landings count.
0011Z to 1214Z
Evenings at 3A9
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:18 PM | 5:48 PM | 6:18 PM |
| Nov 15CST | 5:01 PM | 5:32 PM | 6:01 PM |
| Dec 1CST | 4:50 PM | 5:23 PM | 5:50 PM |
| Dec 15CST | 4:50 PM | 5:23 PM | 5:50 PM |
| Jan 1CST | 5:00 PM | 5:33 PM | 6:00 PM |
| Jan 15CST | 5:15 PM | 5:47 PM | 6:15 PM |
| Feb 1CST | 5:38 PM | 6:09 PM | 6:38 PM |
| Feb 15CST | 5:57 PM | 6:27 PM | 6:57 PM |
| Mar 1CST | 6:16 PM | 6:46 PM | 7:16 PM |
| Mar 15CDT | 7:34 PM | 8:03 PM | 8:34 PM |
| Apr 1CDT | 7:56 PM | 8:25 PM | 8:56 PM |
| Apr 15CDT | 8:13 PM | 8:43 PM | 9:13 PM |
| May 1CDT | 8:33 PM | 9:05 PM | 9:33 PM |
| May 15CDT | 8:49 PM | 9:23 PM | 9:49 PM |
| Jun 1CDT | 9:06 PM | 9:42 PM | 10:06 PM |
| Jun 15CDT | 9:15 PM | 9:51 PM | 10:15 PM |
| Jul 1CDT | 9:17 PM | 9:53 PM | 10:17 PM |
| Jul 15CDT | 9:10 PM | 9:46 PM | 10:10 PM |
| Aug 1CDT | 8:54 PM | 9:27 PM | 9:54 PM |
| Aug 15CDT | 8:34 PM | 9:05 PM | 9:34 PM |
| Sep 1CDT | 8:05 PM | 8:35 PM | 9:05 PM |
| Sep 15CDT | 7:39 PM | 8:08 PM | 8:39 PM |
| Oct 1CDT | 7:09 PM | 7:38 PM | 8:09 PM |
| Oct 15CDT | 6:44 PM | 7:14 PM | 7:44 PM |
Mornings at 3A9
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 6:06 AM | 6:36 AM | 7:06 AM |
| Nov 15CST | 6:25 AM | 6:53 AM | 7:25 AM |
| Dec 1CST | 6:45 AM | 7:12 AM | 7:45 AM |
| Dec 15CST | 6:58 AM | 7:24 AM | 7:58 AM |
| Jan 1CST | 7:05 AM | 7:31 AM | 8:05 AM |
| Jan 15CST | 7:01 AM | 7:29 AM | 8:01 AM |
| Feb 1CST | 6:47 AM | 7:16 AM | 7:47 AM |
| Feb 15CST | 6:28 AM | 6:59 AM | 7:28 AM |
| Mar 1CST | 6:06 AM | 6:37 AM | 7:06 AM |
| Mar 15CDT | 6:41 AM | 7:12 AM | 7:41 AM |
| Apr 1CDT | 6:10 AM | 6:40 AM | 7:10 AM |
| Apr 15CDT | 5:45 AM | 6:15 AM | 6:45 AM |
| May 1CDT | 5:19 AM | 5:47 AM | 6:19 AM |
| May 15CDT | 5:01 AM | 5:28 AM | 6:01 AM |
| Jun 1CDT | 4:47 AM | 5:12 AM | 5:47 AM |
| Jun 15CDT | 4:44 AM | 5:07 AM | 5:44 AM |
| Jul 1CDT | 4:48 AM | 5:11 AM | 5:48 AM |
| Jul 15CDT | 4:58 AM | 5:23 AM | 5:58 AM |
| Aug 1CDT | 5:15 AM | 5:42 AM | 6:15 AM |
| Aug 15CDT | 5:31 AM | 6:00 AM | 6:31 AM |
| Sep 1CDT | 5:51 AM | 6:21 AM | 6:51 AM |
| Sep 15CDT | 6:07 AM | 6:38 AM | 7:07 AM |
| Oct 1CDT | 6:26 AM | 6:57 AM | 7:26 AM |
| Oct 15CDT | 6:43 AM | 7:14 AM | 7:43 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 04/22
2,400 × 250 ft · Turf
Runway 14/32
3,000 × 250 ft · Turf
Frequencies
Night at 3A9, in short
When can I log night time at 3A9?
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 5:42 PM to 6:43 AM CST.
When do landings at 3A9 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 6:11 PM to 6:14 AM CST.
When are position lights required at 3A9?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:11 PM to 7:14 AM CST.
Nearby airports
- KBKX Brookings Regional Brookings, SD · 14 nm
- 6E5 Wilder Desmet, SD · 19 nm
- KMDS Madison Municipal Madison, SD · 23 nm
- 8D9 Howard Municipal Howard, SD · 28 nm
- KATY Watertown Regional Watertown, SD · 31 nm
- 4P3 Flandreau Municipal Flandreau, SD · 33 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.