2F1 Shamrock Municipal night times
Shamrock, TX
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:41 PMto7:08 AM
Sunset to sunrise. Lights on.
2341Z to 1308Z
Night logging
§ 1.16:08 PMto6:41 AM
Civil twilight. Log it as night.
0008Z to 1241Z
Night currency
§ 61.57(b)6:41 PMto6:08 AM
One hour after sunset. Landings count.
0041Z to 1208Z
Evenings at 2F1
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:46 PM | 6:12 PM | 6:46 PM |
| Nov 15CST | 5:35 PM | 6:02 PM | 6:35 PM |
| Dec 1CST | 5:28 PM | 5:56 PM | 6:28 PM |
| Dec 15CST | 5:30 PM | 5:58 PM | 6:30 PM |
| Jan 1CST | 5:39 PM | 6:08 PM | 6:39 PM |
| Jan 15CST | 5:52 PM | 6:19 PM | 6:52 PM |
| Feb 1CST | 6:09 PM | 6:36 PM | 7:09 PM |
| Feb 15CST | 6:23 PM | 6:49 PM | 7:23 PM |
| Mar 1CST | 6:36 PM | 7:02 PM | 7:36 PM |
| Mar 15CDT | 7:48 PM | 8:14 PM | 8:48 PM |
| Apr 1CDT | 8:02 PM | 8:28 PM | 9:02 PM |
| Apr 15CDT | 8:13 PM | 8:40 PM | 9:13 PM |
| May 1CDT | 8:27 PM | 8:54 PM | 9:27 PM |
| May 15CDT | 8:38 PM | 9:06 PM | 9:38 PM |
| Jun 1CDT | 8:50 PM | 9:19 PM | 9:50 PM |
| Jun 15CDT | 8:57 PM | 9:27 PM | 9:57 PM |
| Jul 1CDT | 8:59 PM | 9:29 PM | 9:59 PM |
| Jul 15CDT | 8:56 PM | 9:25 PM | 9:56 PM |
| Aug 1CDT | 8:44 PM | 9:12 PM | 9:44 PM |
| Aug 15CDT | 8:30 PM | 8:56 PM | 9:30 PM |
| Sep 1CDT | 8:08 PM | 8:34 PM | 9:08 PM |
| Sep 15CDT | 7:48 PM | 8:13 PM | 8:48 PM |
| Oct 1CDT | 7:25 PM | 7:50 PM | 8:25 PM |
| Oct 15CDT | 7:06 PM | 7:31 PM | 8:06 PM |
Mornings at 2F1
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 6:02 AM | 6:36 AM | 7:02 AM |
| Nov 15CST | 6:16 AM | 6:49 AM | 7:16 AM |
| Dec 1CST | 6:31 AM | 7:03 AM | 7:31 AM |
| Dec 15CST | 6:42 AM | 7:14 AM | 7:42 AM |
| Jan 1CST | 6:49 AM | 7:21 AM | 7:49 AM |
| Jan 15CST | 6:49 AM | 7:21 AM | 7:49 AM |
| Feb 1CST | 6:40 AM | 7:13 AM | 7:40 AM |
| Feb 15CST | 6:27 AM | 7:01 AM | 7:27 AM |
| Mar 1CST | 6:10 AM | 6:45 AM | 7:10 AM |
| Mar 15CDT | 6:52 AM | 7:26 AM | 7:52 AM |
| Apr 1CDT | 6:28 AM | 7:02 AM | 7:28 AM |
| Apr 15CDT | 6:09 AM | 6:43 AM | 7:09 AM |
| May 1CDT | 5:50 AM | 6:23 AM | 6:50 AM |
| May 15CDT | 5:37 AM | 6:09 AM | 6:37 AM |
| Jun 1CDT | 5:27 AM | 5:58 AM | 6:27 AM |
| Jun 15CDT | 5:26 AM | 5:56 AM | 6:26 AM |
| Jul 1CDT | 5:30 AM | 6:00 AM | 6:30 AM |
| Jul 15CDT | 5:38 AM | 6:08 AM | 6:38 AM |
| Aug 1CDT | 5:50 AM | 6:22 AM | 6:50 AM |
| Aug 15CDT | 6:00 AM | 6:33 AM | 7:00 AM |
| Sep 1CDT | 6:13 AM | 6:47 AM | 7:13 AM |
| Sep 15CDT | 6:23 AM | 6:58 AM | 7:23 AM |
| Oct 1CDT | 6:36 AM | 7:10 AM | 7:36 AM |
| Oct 15CDT | 6:47 AM | 7:21 AM | 7:47 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
MIRL RWY 17/35 DUSK-0000. AFT 0000 ACTVT - CTAF.
Runway 17/35
3,600 × 60 ft · Asphalt
Frequencies
Night at 2F1, in short
When can I log night time at 2F1?
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 6:08 PM to 6:41 AM CST.
When do landings at 2F1 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 6:41 PM to 6:08 AM CST.
When are position lights required at 2F1?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:41 PM to 7:08 AM CST.
Nearby airports
- T59 Wheeler Municipal Wheeler, TX · 13 nm
- O13 Haddock Field Erick, OK · 15 nm
- 2E7 Mc Lean/Gray County Mc Lean, TX · 18 nm
- F06 Marian Airpark Wellington, TX · 23 nm
- 3O4 Sayre Municipal Sayre, OK · 26 nm
- 93F Mignon Laird Municipal Cheyenne, OK · 32 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.