KOSA Mount Pleasant Regional night times
Mount Pleasant, TX · FAA OSA
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:24 PMto6:43 AM
Sunset to sunrise. Lights on.
2324Z to 1243Z
Night logging
§ 1.15:50 PMto6:18 AM
Civil twilight. Log it as night.
2350Z to 1218Z
Night currency
§ 61.57(b)6:24 PMto5:43 AM
One hour after sunset. Landings count.
0024Z to 1143Z
Evenings at KOSA
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:28 PM | 5:54 PM | 6:28 PM |
| Nov 15CST | 5:18 PM | 5:44 PM | 6:18 PM |
| Dec 1CST | 5:13 PM | 5:40 PM | 6:13 PM |
| Dec 15CST | 5:14 PM | 5:42 PM | 6:14 PM |
| Jan 1CST | 5:24 PM | 5:51 PM | 6:24 PM |
| Jan 15CST | 5:36 PM | 6:03 PM | 6:36 PM |
| Feb 1CST | 5:52 PM | 6:18 PM | 6:52 PM |
| Feb 15CST | 6:05 PM | 6:30 PM | 7:05 PM |
| Mar 1CST | 6:17 PM | 6:42 PM | 7:17 PM |
| Mar 15CDT | 7:28 PM | 7:52 PM | 8:28 PM |
| Apr 1CDT | 7:40 PM | 8:05 PM | 8:40 PM |
| Apr 15CDT | 7:50 PM | 8:16 PM | 8:50 PM |
| May 1CDT | 8:02 PM | 8:28 PM | 9:02 PM |
| May 15CDT | 8:12 PM | 8:40 PM | 9:12 PM |
| Jun 1CDT | 8:24 PM | 8:52 PM | 9:24 PM |
| Jun 15CDT | 8:30 PM | 8:59 PM | 9:30 PM |
| Jul 1CDT | 8:33 PM | 9:01 PM | 9:33 PM |
| Jul 15CDT | 8:30 PM | 8:58 PM | 9:30 PM |
| Aug 1CDT | 8:19 PM | 8:46 PM | 9:19 PM |
| Aug 15CDT | 8:05 PM | 8:32 PM | 9:05 PM |
| Sep 1CDT | 7:45 PM | 8:10 PM | 8:45 PM |
| Sep 15CDT | 7:26 PM | 7:51 PM | 8:26 PM |
| Oct 1CDT | 7:05 PM | 7:29 PM | 8:05 PM |
| Oct 15CDT | 6:47 PM | 7:12 PM | 7:47 PM |
Mornings at KOSA
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:38 AM | 6:13 AM | 6:38 AM |
| Nov 15CST | 5:51 AM | 6:24 AM | 6:51 AM |
| Dec 1CST | 6:05 AM | 6:38 AM | 7:05 AM |
| Dec 15CST | 6:16 AM | 6:48 AM | 7:16 AM |
| Jan 1CST | 6:23 AM | 6:56 AM | 7:23 AM |
| Jan 15CST | 6:23 AM | 6:56 AM | 7:23 AM |
| Feb 1CST | 6:15 AM | 6:49 AM | 7:15 AM |
| Feb 15CST | 6:03 AM | 6:38 AM | 7:03 AM |
| Mar 1CST | 5:48 AM | 6:23 AM | 6:48 AM |
| Mar 15CDT | 6:30 AM | 7:06 AM | 7:30 AM |
| Apr 1CDT | 6:08 AM | 6:43 AM | 7:08 AM |
| Apr 15CDT | 5:50 AM | 6:25 AM | 6:50 AM |
| May 1CDT | 5:32 AM | 6:06 AM | 6:32 AM |
| May 15CDT | 5:20 AM | 5:53 AM | 6:20 AM |
| Jun 1CDT | 5:12 AM | 5:44 AM | 6:12 AM |
| Jun 15CDT | 5:11 AM | 5:42 AM | 6:11 AM |
| Jul 1CDT | 5:15 AM | 5:46 AM | 6:15 AM |
| Jul 15CDT | 5:22 AM | 5:54 AM | 6:22 AM |
| Aug 1CDT | 5:33 AM | 6:06 AM | 6:33 AM |
| Aug 15CDT | 5:43 AM | 6:17 AM | 6:43 AM |
| Sep 1CDT | 5:54 AM | 6:29 AM | 6:54 AM |
| Sep 15CDT | 6:03 AM | 6:39 AM | 7:03 AM |
| Oct 1CDT | 6:14 AM | 6:49 AM | 7:14 AM |
| Oct 15CDT | 6:24 AM | 6:59 AM | 7:24 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
REIL RWY 17 & 35, MIRL RWY 17/35 PRE-SET ON LOW SS-SR. TO ACTVT DAYTIME & INCR INTST - CTAF. PAPI RWY 17 & 35 OPR CONSLY.
Runway 17/35
6,004 × 100 ft · Asphalt
Helipad H1
44 × 44 ft · Concrete
Frequencies
Night at KOSA, in short
When can I log night time at KOSA?
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 5:50 PM to 6:18 AM CST.
When do landings at KOSA 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 6:24 PM to 5:43 AM CST.
When are position lights required at KOSA?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:24 PM to 6:43 AM CST.
Nearby airports
- 8F5 Greater Morris County Daingerfield, TX · 14 nm
- F53 Franklin County Mount Vernon, TX · 16 nm
- F51 Winnsboro Municipal Winnsboro, TX · 19 nm
- KJXI Fox Stephens Field/Gilmer Municipal Gilmer, TX · 24 nm
- KLBR Clarksville/Red River Cty-J D Trissell Field Clarksville, TX · 30 nm
- KSLR Sulphur Springs Municipal Sulphur Springs, TX · 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.