33R Groveton/Trinity County night times
Groveton, TX
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:28 PMto6:41 AM
Sunset to sunrise. Lights on.
2328Z to 1241Z
Night logging
§ 1.15:53 PMto6:16 AM
Civil twilight. Log it as night.
2353Z to 1216Z
Night currency
§ 61.57(b)6:28 PMto5:41 AM
One hour after sunset. Landings count.
0028Z to 1141Z
Evenings at 33R
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:32 PM | 5:57 PM | 6:32 PM |
| Nov 15CST | 5:22 PM | 5:48 PM | 6:22 PM |
| Dec 1CST | 5:18 PM | 5:44 PM | 6:18 PM |
| Dec 15CST | 5:20 PM | 5:47 PM | 6:20 PM |
| Jan 1CST | 5:30 PM | 5:56 PM | 6:30 PM |
| Jan 15CST | 5:41 PM | 6:07 PM | 6:41 PM |
| Feb 1CST | 5:56 PM | 6:21 PM | 6:56 PM |
| Feb 15CST | 6:08 PM | 6:33 PM | 7:08 PM |
| Mar 1CST | 6:19 PM | 6:43 PM | 7:19 PM |
| Mar 15CDT | 7:29 PM | 7:53 PM | 8:29 PM |
| Apr 1CDT | 7:40 PM | 8:04 PM | 8:40 PM |
| Apr 15CDT | 7:49 PM | 8:14 PM | 8:49 PM |
| May 1CDT | 8:00 PM | 8:25 PM | 9:00 PM |
| May 15CDT | 8:09 PM | 8:36 PM | 9:09 PM |
| Jun 1CDT | 8:20 PM | 8:47 PM | 9:20 PM |
| Jun 15CDT | 8:26 PM | 8:54 PM | 9:26 PM |
| Jul 1CDT | 8:28 PM | 8:56 PM | 9:28 PM |
| Jul 15CDT | 8:26 PM | 8:53 PM | 9:26 PM |
| Aug 1CDT | 8:16 PM | 8:42 PM | 9:16 PM |
| Aug 15CDT | 8:03 PM | 8:29 PM | 9:03 PM |
| Sep 1CDT | 7:44 PM | 8:09 PM | 8:44 PM |
| Sep 15CDT | 7:26 PM | 7:51 PM | 8:26 PM |
| Oct 1CDT | 7:06 PM | 7:30 PM | 8:06 PM |
| Oct 15CDT | 6:49 PM | 7:13 PM | 7:49 PM |
Mornings at 33R
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:36 AM | 6:11 AM | 6:36 AM |
| Nov 15CST | 5:48 AM | 6:22 AM | 6:48 AM |
| Dec 1CST | 6:01 AM | 6:35 AM | 7:01 AM |
| Dec 15CST | 6:12 AM | 6:45 AM | 7:12 AM |
| Jan 1CST | 6:19 AM | 6:52 AM | 7:19 AM |
| Jan 15CST | 6:20 AM | 6:53 AM | 7:20 AM |
| Feb 1CST | 6:13 AM | 6:47 AM | 7:13 AM |
| Feb 15CST | 6:02 AM | 6:37 AM | 7:02 AM |
| Mar 1CST | 5:47 AM | 6:23 AM | 6:47 AM |
| Mar 15CDT | 6:31 AM | 7:07 AM | 7:31 AM |
| Apr 1CDT | 6:10 AM | 6:45 AM | 7:10 AM |
| Apr 15CDT | 5:53 AM | 6:28 AM | 6:53 AM |
| May 1CDT | 5:36 AM | 6:11 AM | 6:36 AM |
| May 15CDT | 5:25 AM | 5:59 AM | 6:25 AM |
| Jun 1CDT | 5:18 AM | 5:50 AM | 6:18 AM |
| Jun 15CDT | 5:17 AM | 5:49 AM | 6:17 AM |
| Jul 1CDT | 5:21 AM | 5:53 AM | 6:21 AM |
| Jul 15CDT | 5:27 AM | 6:00 AM | 6:27 AM |
| Aug 1CDT | 5:38 AM | 6:11 AM | 6:38 AM |
| Aug 15CDT | 5:47 AM | 6:21 AM | 6:47 AM |
| Sep 1CDT | 5:57 AM | 6:32 AM | 6:57 AM |
| Sep 15CDT | 6:05 AM | 6:41 AM | 7:05 AM |
| Oct 1CDT | 6:14 AM | 6:50 AM | 7:14 AM |
| Oct 15CDT | 6:23 AM | 6:59 AM | 7:23 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT LIRL RY 16/34 - CTAF.
Runway 16/34
3,500 × 60 ft · Asphalt
Frequencies
Night at 33R, in short
When can I log night time at 33R?
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 5:53 PM to 6:16 AM CST.
When do landings at 33R 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 6:28 PM to 5:41 AM CST.
When are position lights required at 33R?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:28 PM to 6:41 AM CST.
Nearby airports
- KDKR Houston County Crockett, TX · 18 nm
- KLFK Angelina County Lufkin, TX · 23 nm
- 00R Livingston Municipal Livingston, TX · 25 nm
- KUTS Huntsville Municipal Huntsville, TX · 30 nm
- KOCH Nacogdoches A L Mangham Jr Regional Nacogdoches, TX · 38 nm
- 09R Tyler County Woodville, TX · 41 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.