KSUX Sioux Gateway/Brig General Bud Day Field night times
Sioux City, IA · FAA SUX
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2095:12 PMto7:07 AM
Sunset to sunrise. Lights on.
2312Z to 1307Z
Night logging
§ 1.15:42 PMto6:37 AM
Civil twilight. Log it as night.
2342Z to 1237Z
Night currency
§ 61.57(b)6:12 PMto6:07 AM
One hour after sunset. Landings count.
0012Z to 1207Z
Evenings at KSUX
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 5:19 PM | 5:48 PM | 6:19 PM |
| Nov 15CST | 5:03 PM | 5:34 PM | 6:03 PM |
| Dec 1CST | 4:54 PM | 5:25 PM | 5:54 PM |
| Dec 15CST | 4:54 PM | 5:26 PM | 5:54 PM |
| Jan 1CST | 5:03 PM | 5:35 PM | 6:03 PM |
| Jan 15CST | 5:18 PM | 5:49 PM | 6:18 PM |
| Feb 1CST | 5:39 PM | 6:09 PM | 6:39 PM |
| Feb 15CST | 5:58 PM | 6:27 PM | 6:58 PM |
| Mar 1CST | 6:15 PM | 6:43 PM | 7:15 PM |
| Mar 15CDT | 7:32 PM | 8:00 PM | 8:32 PM |
| Apr 1CDT | 7:51 PM | 8:20 PM | 8:51 PM |
| Apr 15CDT | 8:07 PM | 8:36 PM | 9:07 PM |
| May 1CDT | 8:25 PM | 8:56 PM | 9:25 PM |
| May 15CDT | 8:40 PM | 9:13 PM | 9:40 PM |
| Jun 1CDT | 8:56 PM | 9:30 PM | 9:56 PM |
| Jun 15CDT | 9:04 PM | 9:39 PM | 10:04 PM |
| Jul 1CDT | 9:06 PM | 9:41 PM | 10:06 PM |
| Jul 15CDT | 9:01 PM | 9:34 PM | 10:01 PM |
| Aug 1CDT | 8:45 PM | 9:17 PM | 9:45 PM |
| Aug 15CDT | 8:27 PM | 8:57 PM | 9:27 PM |
| Sep 1CDT | 8:00 PM | 8:29 PM | 9:00 PM |
| Sep 15CDT | 7:35 PM | 8:04 PM | 8:35 PM |
| Oct 1CDT | 7:07 PM | 7:35 PM | 8:07 PM |
| Oct 15CDT | 6:44 PM | 7:12 PM | 7:44 PM |
Mornings at KSUX
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:59 AM | 6:30 AM | 6:59 AM |
| Nov 15CST | 6:17 AM | 6:46 AM | 7:17 AM |
| Dec 1CST | 6:35 AM | 7:04 AM | 7:35 AM |
| Dec 15CST | 6:48 AM | 7:16 AM | 7:48 AM |
| Jan 1CST | 6:55 AM | 7:23 AM | 7:55 AM |
| Jan 15CST | 6:52 AM | 7:21 AM | 7:52 AM |
| Feb 1CST | 6:39 AM | 7:09 AM | 7:39 AM |
| Feb 15CST | 6:22 AM | 6:53 AM | 7:22 AM |
| Mar 1CST | 6:01 AM | 6:33 AM | 7:01 AM |
| Mar 15CDT | 6:38 AM | 7:10 AM | 7:38 AM |
| Apr 1CDT | 6:08 AM | 6:40 AM | 7:08 AM |
| Apr 15CDT | 5:45 AM | 6:16 AM | 6:45 AM |
| May 1CDT | 5:21 AM | 5:50 AM | 6:21 AM |
| May 15CDT | 5:04 AM | 5:32 AM | 6:04 AM |
| Jun 1CDT | 4:51 AM | 5:17 AM | 5:51 AM |
| Jun 15CDT | 4:48 AM | 5:13 AM | 5:48 AM |
| Jul 1CDT | 4:52 AM | 5:18 AM | 5:52 AM |
| Jul 15CDT | 5:02 AM | 5:28 AM | 6:02 AM |
| Aug 1CDT | 5:18 AM | 5:46 AM | 6:18 AM |
| Aug 15CDT | 5:33 AM | 6:02 AM | 6:33 AM |
| Sep 1CDT | 5:51 AM | 6:22 AM | 6:51 AM |
| Sep 15CDT | 6:05 AM | 6:37 AM | 7:05 AM |
| Oct 1CDT | 6:23 AM | 6:55 AM | 7:23 AM |
| Oct 15CDT | 6:38 AM | 7:10 AM | 7:38 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
DUSK-DAWN. WHEN ATCT CLSD ACTVT MALS RWY 13; MALSR RWY 31; REIL RWY 18; VASI RWY 13 & 31; HIRL RWY 13/31; MIRL RWY 18/36 - CTAF.
Runway 13/31
9,002 × 150 ft · Concrete
Runway 18/36
6,401 × 100 ft · Asphalt
Frequencies
Night at KSUX, in short
When can I log night time at KSUX?
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 5:42 PM to 6:37 AM CST.
When do landings at KSUX 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 6:12 PM to 6:07 AM CST.
When are position lights required at KSUX?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:12 PM to 7:07 AM CST.
Nearby airports
- 7K7 Graham Field North Sioux City, SD · 9 nm
- 0C4 Pender Municipal Pender, NE · 23 nm
- KLRJ Le Mars Municipal Le Mars, IA · 24 nm
- KLCG Wayne Municipal/Stan Morris Field Wayne, NE · 28 nm
- KMEY James G Whiting Memorial Field Mapleton, IA · 29 nm
- KVMR Harold Davidson Field Vermillion, 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.