0B4 Hartington Municipal/Bud Becker Field night times
Hartington, NE
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:16 PMto7:11 AM
Sunset to sunrise. Lights on.
2316Z to 1311Z
Night logging
§ 1.15:45 PMto6:41 AM
Civil twilight. Log it as night.
2345Z to 1241Z
Night currency
§ 61.57(b)6:16 PMto6:11 AM
One hour after sunset. Landings count.
0016Z to 1211Z
Evenings at 0B4
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:22 PM | 5:51 PM | 6:22 PM |
| Nov 15CST | 5:06 PM | 5:37 PM | 6:06 PM |
| Dec 1CST | 4:57 PM | 5:28 PM | 5:57 PM |
| Dec 15CST | 4:56 PM | 5:28 PM | 5:56 PM |
| Jan 1CST | 5:06 PM | 5:38 PM | 6:06 PM |
| Jan 15CST | 5:21 PM | 5:52 PM | 6:21 PM |
| Feb 1CST | 5:42 PM | 6:12 PM | 6:42 PM |
| Feb 15CST | 6:01 PM | 6:30 PM | 7:01 PM |
| Mar 1CST | 6:19 PM | 6:47 PM | 7:19 PM |
| Mar 15CDT | 7:35 PM | 8:03 PM | 8:35 PM |
| Apr 1CDT | 7:55 PM | 8:23 PM | 8:55 PM |
| Apr 15CDT | 8:11 PM | 8:40 PM | 9:11 PM |
| May 1CDT | 8:29 PM | 9:00 PM | 9:29 PM |
| May 15CDT | 8:44 PM | 9:17 PM | 9:44 PM |
| Jun 1CDT | 9:00 PM | 9:34 PM | 10:00 PM |
| Jun 15CDT | 9:08 PM | 9:43 PM | 10:08 PM |
| Jul 1CDT | 9:11 PM | 9:45 PM | 10:11 PM |
| Jul 15CDT | 9:05 PM | 9:39 PM | 10:05 PM |
| Aug 1CDT | 8:49 PM | 9:21 PM | 9:49 PM |
| Aug 15CDT | 8:31 PM | 9:01 PM | 9:31 PM |
| Sep 1CDT | 8:03 PM | 8:32 PM | 9:03 PM |
| Sep 15CDT | 7:39 PM | 8:07 PM | 8:39 PM |
| Oct 1CDT | 7:11 PM | 7:39 PM | 8:11 PM |
| Oct 15CDT | 6:47 PM | 7:15 PM | 7:47 PM |
Mornings at 0B4
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 6:03 AM | 6:34 AM | 7:03 AM |
| Nov 15CST | 6:21 AM | 6:50 AM | 7:21 AM |
| Dec 1CST | 6:39 AM | 7:08 AM | 7:39 AM |
| Dec 15CST | 6:52 AM | 7:20 AM | 7:52 AM |
| Jan 1CST | 6:59 AM | 7:27 AM | 7:59 AM |
| Jan 15CST | 6:56 AM | 7:25 AM | 7:56 AM |
| Feb 1CST | 6:43 AM | 7:13 AM | 7:43 AM |
| Feb 15CST | 6:26 AM | 6:57 AM | 7:26 AM |
| Mar 1CST | 6:05 AM | 6:37 AM | 7:05 AM |
| Mar 15CDT | 6:41 AM | 7:13 AM | 7:41 AM |
| Apr 1CDT | 6:12 AM | 6:43 AM | 7:12 AM |
| Apr 15CDT | 5:48 AM | 6:19 AM | 6:48 AM |
| May 1CDT | 5:24 AM | 5:53 AM | 6:24 AM |
| May 15CDT | 5:07 AM | 5:35 AM | 6:07 AM |
| Jun 1CDT | 4:54 AM | 5:20 AM | 5:54 AM |
| Jun 15CDT | 4:51 AM | 5:16 AM | 5:51 AM |
| Jul 1CDT | 4:55 AM | 5:20 AM | 5:55 AM |
| Jul 15CDT | 5:05 AM | 5:31 AM | 6:05 AM |
| Aug 1CDT | 5:21 AM | 5:49 AM | 6:21 AM |
| Aug 15CDT | 5:36 AM | 6:05 AM | 6:36 AM |
| Sep 1CDT | 5:54 AM | 6:25 AM | 6:54 AM |
| Sep 15CDT | 6:09 AM | 6:40 AM | 7:09 AM |
| Oct 1CDT | 6:26 AM | 6:58 AM | 7:26 AM |
| Oct 15CDT | 6:42 AM | 7:14 AM | 7:42 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT PAPI RWY 13 & 31; MIRL RWY 13/31 - CTAF.
Runway 03/21
2,150 × 125 ft · Turf
Runway 13/31
3,950 × 60 ft · Concrete
Frequencies
Night at 0B4, in short
When can I log night time at 0B4?
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 5:45 PM to 6:41 AM CST.
When do landings at 0B4 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 6:16 PM to 6:11 AM CST.
When are position lights required at 0B4?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:16 PM to 7:11 AM CST.
Nearby airports
- KVMR Harold Davidson Field Vermillion, SD · 17 nm
- 84Y Bloomfield Municipal Bloomfield, NE · 19 nm
- KYKN Chan Gurney Municipal Yankton, SD · 20 nm
- KLCG Wayne Municipal/Stan Morris Field Wayne, NE · 25 nm
- 6K3 Creighton Municipal Creighton, NE · 29 nm
- Y03 Springfield Municipal Springfield, SD · 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.