4F1 Westport night times
Westport, OK
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:24 PMto6:54 AM
Sunset to sunrise. Lights on.
2324Z to 1254Z
Night logging
§ 1.15:51 PMto6:27 AM
Civil twilight. Log it as night.
2351Z to 1227Z
Night currency
§ 61.57(b)6:24 PMto5:54 AM
One hour after sunset. Landings count.
0024Z to 1154Z
Evenings at 4F1
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:29 PM | 5:56 PM | 6:29 PM |
| Nov 15CST | 5:17 PM | 5:45 PM | 6:17 PM |
| Dec 1CST | 5:11 PM | 5:39 PM | 6:11 PM |
| Dec 15CST | 5:12 PM | 5:41 PM | 6:12 PM |
| Jan 1CST | 5:21 PM | 5:50 PM | 6:21 PM |
| Jan 15CST | 5:34 PM | 6:02 PM | 6:34 PM |
| Feb 1CST | 5:52 PM | 6:19 PM | 6:52 PM |
| Feb 15CST | 6:06 PM | 6:33 PM | 7:06 PM |
| Mar 1CST | 6:20 PM | 6:46 PM | 7:20 PM |
| Mar 15CDT | 7:33 PM | 7:58 PM | 8:33 PM |
| Apr 1CDT | 7:47 PM | 8:13 PM | 8:47 PM |
| Apr 15CDT | 7:59 PM | 8:26 PM | 8:59 PM |
| May 1CDT | 8:13 PM | 8:41 PM | 9:13 PM |
| May 15CDT | 8:25 PM | 8:53 PM | 9:25 PM |
| Jun 1CDT | 8:37 PM | 9:07 PM | 9:37 PM |
| Jun 15CDT | 8:44 PM | 9:15 PM | 9:44 PM |
| Jul 1CDT | 8:47 PM | 9:17 PM | 9:47 PM |
| Jul 15CDT | 8:43 PM | 9:12 PM | 9:43 PM |
| Aug 1CDT | 8:31 PM | 8:59 PM | 9:31 PM |
| Aug 15CDT | 8:16 PM | 8:43 PM | 9:16 PM |
| Sep 1CDT | 7:53 PM | 8:20 PM | 8:53 PM |
| Sep 15CDT | 7:33 PM | 7:59 PM | 8:33 PM |
| Oct 1CDT | 7:09 PM | 7:35 PM | 8:09 PM |
| Oct 15CDT | 6:50 PM | 7:15 PM | 7:50 PM |
Mornings at 4F1
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:48 AM | 6:22 AM | 6:48 AM |
| Nov 15CST | 6:02 AM | 6:35 AM | 7:02 AM |
| Dec 1CST | 6:18 AM | 6:50 AM | 7:18 AM |
| Dec 15CST | 6:29 AM | 7:01 AM | 7:29 AM |
| Jan 1CST | 6:37 AM | 7:08 AM | 7:37 AM |
| Jan 15CST | 6:36 AM | 7:08 AM | 7:36 AM |
| Feb 1CST | 6:26 AM | 6:59 AM | 7:26 AM |
| Feb 15CST | 6:13 AM | 6:47 AM | 7:13 AM |
| Mar 1CST | 5:56 AM | 6:30 AM | 6:56 AM |
| Mar 15CDT | 6:36 AM | 7:11 AM | 7:36 AM |
| Apr 1CDT | 6:12 AM | 6:46 AM | 7:12 AM |
| Apr 15CDT | 5:52 AM | 6:26 AM | 6:52 AM |
| May 1CDT | 5:33 AM | 6:05 AM | 6:33 AM |
| May 15CDT | 5:19 AM | 5:51 AM | 6:19 AM |
| Jun 1CDT | 5:09 AM | 5:40 AM | 6:09 AM |
| Jun 15CDT | 5:08 AM | 5:37 AM | 6:08 AM |
| Jul 1CDT | 5:12 AM | 5:41 AM | 6:12 AM |
| Jul 15CDT | 5:20 AM | 5:50 AM | 6:20 AM |
| Aug 1CDT | 5:32 AM | 6:04 AM | 6:32 AM |
| Aug 15CDT | 5:43 AM | 6:16 AM | 6:43 AM |
| Sep 1CDT | 5:57 AM | 6:31 AM | 6:57 AM |
| Sep 15CDT | 6:08 AM | 6:42 AM | 7:08 AM |
| Oct 1CDT | 6:20 AM | 6:55 AM | 7:20 AM |
| Oct 15CDT | 6:32 AM | 7:06 AM | 7:32 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT RWY LGTS FOR ALL OPS DAY & NIGHT. USE HIGHEST INTST FOR DAYTIME OPS.
ACTVT MIRL RY 03/21 - CTAF.
Runway 03/21
2,900 × 42 ft · Asphalt
Frequencies
Night at 4F1, in short
When can I log night time at 4F1?
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 5:51 PM to 6:27 AM CST.
When do landings at 4F1 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 5:54 AM CST.
When are position lights required at 4F1?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:24 PM to 6:54 AM CST.
Nearby airports
- 95F Cleveland Municipal Cleveland, OK · 7 nm
- KOWP William R Pogue Municipal Sand Springs, OK · 10 nm
- H92 Hominy Municipal Hominy, OK · 13 nm
- 2F6 Skiatook Municipal Skiatook, OK · 18 nm
- KRVS Tulsa Riverside Tulsa, OK · 21 nm
- KTUL Tulsa International Tulsa, OK · 22 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.