4S5 St Thomas Municipal night times
St Thomas, ND
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:02 PMto7:26 AM
Sunset to sunrise. Lights on.
2302Z to 1326Z
Night logging
§ 1.15:35 PMto6:52 AM
Civil twilight. Log it as night.
2335Z to 1252Z
Night currency
§ 61.57(b)6:02 PMto6:26 AM
One hour after sunset. Landings count.
0002Z to 1226Z
Evenings at 4S5
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:10 PM | 5:43 PM | 6:10 PM |
| Nov 15CST | 4:50 PM | 5:24 PM | 5:50 PM |
| Dec 1CST | 4:36 PM | 5:12 PM | 5:36 PM |
| Dec 15CST | 4:34 PM | 5:11 PM | 5:34 PM |
| Jan 1CST | 4:45 PM | 5:21 PM | 5:45 PM |
| Jan 15CST | 5:02 PM | 5:37 PM | 6:02 PM |
| Feb 1CST | 5:28 PM | 6:02 PM | 6:28 PM |
| Feb 15CST | 5:51 PM | 6:23 PM | 6:51 PM |
| Mar 1CST | 6:13 PM | 6:45 PM | 7:13 PM |
| Mar 15CDT | 7:35 PM | 8:06 PM | 8:35 PM |
| Apr 1CDT | 8:00 PM | 8:32 PM | 9:00 PM |
| Apr 15CDT | 8:21 PM | 8:54 PM | 9:21 PM |
| May 1CDT | 8:45 PM | 9:20 PM | 9:45 PM |
| May 15CDT | 9:04 PM | 9:42 PM | 10:04 PM |
| Jun 1CDT | 9:24 PM | 10:05 PM | 10:24 PM |
| Jun 15CDT | 9:34 PM | 10:16 PM | 10:34 PM |
| Jul 1CDT | 9:36 PM | 10:17 PM | 10:36 PM |
| Jul 15CDT | 9:28 PM | 10:08 PM | 10:28 PM |
| Aug 1CDT | 9:08 PM | 9:45 PM | 10:08 PM |
| Aug 15CDT | 8:45 PM | 9:19 PM | 9:45 PM |
| Sep 1CDT | 8:12 PM | 8:44 PM | 9:12 PM |
| Sep 15CDT | 7:43 PM | 8:14 PM | 8:43 PM |
| Oct 1CDT | 7:09 PM | 7:40 PM | 8:09 PM |
| Oct 15CDT | 6:41 PM | 7:12 PM | 7:41 PM |
Mornings at 4S5
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 6:16 AM | 6:43 AM | 7:16 AM |
| Nov 15CST | 6:38 AM | 7:04 AM | 7:38 AM |
| Dec 1CST | 7:01 AM | 7:25 AM | 8:01 AM |
| Dec 15CST | 7:16 AM | 7:39 AM | 8:16 AM |
| Jan 1CST | 7:22 AM | 7:45 AM | 8:22 AM |
| Jan 15CST | 7:17 AM | 7:41 AM | 8:17 AM |
| Feb 1CST | 6:59 AM | 7:26 AM | 7:59 AM |
| Feb 15CST | 6:38 AM | 7:05 AM | 7:38 AM |
| Mar 1CST | 6:12 AM | 6:40 AM | 7:12 AM |
| Mar 15CDT | 6:43 AM | 7:12 AM | 7:43 AM |
| Apr 1CDT | 6:08 AM | 6:36 AM | 7:08 AM |
| Apr 15CDT | 5:39 AM | 6:06 AM | 6:39 AM |
| May 1CDT | 5:10 AM | 5:35 AM | 6:10 AM |
| May 15CDT | 4:49 AM | 5:11 AM | 5:49 AM |
| Jun 1CDT | 4:32 AM | 4:51 AM | 5:32 AM |
| Jun 15CDT | 4:27 AM | 4:45 AM | 5:27 AM |
| Jul 1CDT | 4:31 AM | 4:50 AM | 5:31 AM |
| Jul 15CDT | 4:43 AM | 5:03 AM | 5:43 AM |
| Aug 1CDT | 5:04 AM | 5:27 AM | 6:04 AM |
| Aug 15CDT | 5:23 AM | 5:48 AM | 6:23 AM |
| Sep 1CDT | 5:47 AM | 6:14 AM | 6:47 AM |
| Sep 15CDT | 6:06 AM | 6:35 AM | 7:06 AM |
| Oct 1CDT | 6:29 AM | 6:58 AM | 7:29 AM |
| Oct 15CDT | 6:50 AM | 7:18 AM | 7:50 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT LIRL RY 17/35 - 122.9.
Runway 17/35
2,600 × 50 ft · Asphalt
NSTD LIRL DUE TO FIXTURES & LCTD 25 FT FROM RWY EDGE.
Frequencies
Night at 4S5, in short
When can I log night time at 4S5?
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 5:35 PM to 6:52 AM CST.
When do landings at 4S5 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 6:02 PM to 6:26 AM CST.
When are position lights required at 4S5?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:02 PM to 7:26 AM CST.
Nearby airports
- D29 Drayton Municipal Drayton, ND · 10 nm
- 2C8 Cavalier Municipal Cavalier, ND · 12 nm
- KGAF Hutson Field Grafton, ND · 14 nm
- Y37 Park River - W C Skjerven Field Park River, ND · 19 nm
- D06 Minto Municipal Minto, ND · 20 nm
- KPMB Pembina Municipal Pembina, ND · 21 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.