KTVF Thief River Falls Regional night times
Thief River Falls, MN · FAA TVF
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:58 PMto7:19 AM
Sunset to sunrise. Lights on.
2258Z to 1319Z
Night logging
§ 1.15:31 PMto6:46 AM
Civil twilight. Log it as night.
2331Z to 1246Z
Night currency
§ 61.57(b)5:58 PMto6:19 AM
One hour after sunset. Landings count.
2358Z to 1219Z
Evenings at KTVF
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:06 PM | 5:38 PM | 6:06 PM |
| Nov 15CST | 4:47 PM | 5:21 PM | 5:47 PM |
| Dec 1CST | 4:33 PM | 5:09 PM | 5:33 PM |
| Dec 15CST | 4:32 PM | 5:08 PM | 5:32 PM |
| Jan 1CST | 4:42 PM | 5:18 PM | 5:42 PM |
| Jan 15CST | 4:59 PM | 5:34 PM | 5:59 PM |
| Feb 1CST | 5:25 PM | 5:58 PM | 6:25 PM |
| Feb 15CST | 5:47 PM | 6:19 PM | 6:47 PM |
| Mar 1CST | 6:09 PM | 6:40 PM | 7:09 PM |
| Mar 15CDT | 7:30 PM | 8:01 PM | 8:30 PM |
| Apr 1CDT | 7:55 PM | 8:26 PM | 8:55 PM |
| Apr 15CDT | 8:15 PM | 8:48 PM | 9:15 PM |
| May 1CDT | 8:38 PM | 9:13 PM | 9:38 PM |
| May 15CDT | 8:57 PM | 9:34 PM | 9:57 PM |
| Jun 1CDT | 9:16 PM | 9:56 PM | 10:16 PM |
| Jun 15CDT | 9:26 PM | 10:08 PM | 10:26 PM |
| Jul 1CDT | 9:28 PM | 10:09 PM | 10:28 PM |
| Jul 15CDT | 9:20 PM | 10:00 PM | 10:20 PM |
| Aug 1CDT | 9:01 PM | 9:37 PM | 10:01 PM |
| Aug 15CDT | 8:38 PM | 9:12 PM | 9:38 PM |
| Sep 1CDT | 8:06 PM | 8:38 PM | 9:06 PM |
| Sep 15CDT | 7:37 PM | 8:09 PM | 8:37 PM |
| Oct 1CDT | 7:04 PM | 7:35 PM | 8:04 PM |
| Oct 15CDT | 6:36 PM | 7:08 PM | 7:36 PM |
Mornings at KTVF
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 6:10 AM | 6:38 AM | 7:10 AM |
| Nov 15CST | 6:32 AM | 6:58 AM | 7:32 AM |
| Dec 1CST | 6:54 AM | 7:18 AM | 7:54 AM |
| Dec 15CST | 7:08 AM | 7:32 AM | 8:08 AM |
| Jan 1CST | 7:15 AM | 7:39 AM | 8:15 AM |
| Jan 15CST | 7:10 AM | 7:35 AM | 8:10 AM |
| Feb 1CST | 6:53 AM | 7:19 AM | 7:53 AM |
| Feb 15CST | 6:31 AM | 6:59 AM | 7:31 AM |
| Mar 1CST | 6:06 AM | 6:35 AM | 7:06 AM |
| Mar 15CDT | 6:38 AM | 7:07 AM | 7:38 AM |
| Apr 1CDT | 6:03 AM | 6:32 AM | 7:03 AM |
| Apr 15CDT | 5:35 AM | 6:03 AM | 6:35 AM |
| May 1CDT | 5:07 AM | 5:32 AM | 6:07 AM |
| May 15CDT | 4:46 AM | 5:09 AM | 5:46 AM |
| Jun 1CDT | 4:29 AM | 4:49 AM | 5:29 AM |
| Jun 15CDT | 4:24 AM | 4:43 AM | 5:24 AM |
| Jul 1CDT | 4:29 AM | 4:48 AM | 5:29 AM |
| Jul 15CDT | 4:41 AM | 5:01 AM | 5:41 AM |
| Aug 1CDT | 5:01 AM | 5:24 AM | 6:01 AM |
| Aug 15CDT | 5:19 AM | 5:45 AM | 6:19 AM |
| Sep 1CDT | 5:43 AM | 6:10 AM | 6:43 AM |
| Sep 15CDT | 6:02 AM | 6:30 AM | 7:02 AM |
| Oct 1CDT | 6:24 AM | 6:53 AM | 7:24 AM |
| Oct 15CDT | 6:44 AM | 7:13 AM | 7:44 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT MALSR RWY 31; REIL RWY 13, 04, & 22; HIRL RWY 13/31; MIRL RWY 04/22 - CTAF. PAPI RWY 13, 31, 04, & 22 OPR CONSLY.
Runway 04/22
4,997 × 75 ft · Asphalt
Runway 13/31
6,504 × 150 ft · Asphalt
Frequencies
Night at KTVF, in short
When can I log night time at KTVF?
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 5:31 PM to 6:46 AM CST.
When do landings at KTVF 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 5:58 PM to 6:19 AM CST.
When are position lights required at KTVF?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:58 PM to 7:19 AM CST.
Nearby airports
- D81 Red Lake Falls Municipal Red Lake Falls, MN · 15 nm
- KCKN Crookston Municipal/Kirkwood Field Crookston, MN · 22 nm
- D37 Warren Municipal Warren, MN · 22 nm
- 3G2 Grygla Municipal - Mel Wilkens Field Grygla, MN · 26 nm
- D14 Fertile Municipal Fertile, MN · 31 nm
- KFSE Fosston Municipal/Anderson Field Fosston, MN · 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.