KDEC Decatur night times
Decatur, IL · FAA DEC
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:48 PMto6:31 AM
Sunset to sunrise. Lights on.
2248Z to 1231Z
Night logging
§ 1.15:16 PMto6:03 AM
Civil twilight. Log it as night.
2316Z to 1203Z
Night currency
§ 61.57(b)5:48 PMto5:31 AM
One hour after sunset. Landings count.
2348Z to 1131Z
Evenings at KDEC
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 4:53 PM | 5:21 PM | 5:53 PM |
| Nov 15CST | 4:39 PM | 5:08 PM | 5:39 PM |
| Dec 1CST | 4:31 PM | 5:01 PM | 5:31 PM |
| Dec 15CST | 4:32 PM | 5:02 PM | 5:32 PM |
| Jan 1CST | 4:41 PM | 5:12 PM | 5:41 PM |
| Jan 15CST | 4:55 PM | 5:25 PM | 5:55 PM |
| Feb 1CST | 5:15 PM | 5:43 PM | 6:15 PM |
| Feb 15CST | 5:31 PM | 5:59 PM | 6:31 PM |
| Mar 1CST | 5:47 PM | 6:14 PM | 6:47 PM |
| Mar 15CDT | 7:02 PM | 7:29 PM | 8:02 PM |
| Apr 1CDT | 7:20 PM | 7:47 PM | 8:20 PM |
| Apr 15CDT | 7:34 PM | 8:02 PM | 8:34 PM |
| May 1CDT | 7:50 PM | 8:19 PM | 8:50 PM |
| May 15CDT | 8:03 PM | 8:34 PM | 9:03 PM |
| Jun 1CDT | 8:18 PM | 8:50 PM | 9:18 PM |
| Jun 15CDT | 8:25 PM | 8:58 PM | 9:25 PM |
| Jul 1CDT | 8:28 PM | 9:00 PM | 9:28 PM |
| Jul 15CDT | 8:23 PM | 8:55 PM | 9:23 PM |
| Aug 1CDT | 8:09 PM | 8:39 PM | 9:09 PM |
| Aug 15CDT | 7:52 PM | 8:21 PM | 8:52 PM |
| Sep 1CDT | 7:27 PM | 7:55 PM | 8:27 PM |
| Sep 15CDT | 7:04 PM | 7:31 PM | 8:04 PM |
| Oct 1CDT | 6:38 PM | 7:05 PM | 7:38 PM |
| Oct 15CDT | 6:16 PM | 6:43 PM | 7:16 PM |
Mornings at KDEC
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:24 AM | 5:56 AM | 6:24 AM |
| Nov 15CST | 5:40 AM | 6:11 AM | 6:40 AM |
| Dec 1CST | 5:58 AM | 6:28 AM | 6:58 AM |
| Dec 15CST | 6:10 AM | 6:39 AM | 7:10 AM |
| Jan 1CST | 6:17 AM | 6:47 AM | 7:17 AM |
| Jan 15CST | 6:15 AM | 6:45 AM | 7:15 AM |
| Feb 1CST | 6:04 AM | 6:35 AM | 7:04 AM |
| Feb 15CST | 5:48 AM | 6:21 AM | 6:48 AM |
| Mar 1CST | 5:29 AM | 6:02 AM | 6:29 AM |
| Mar 15CDT | 6:07 AM | 6:40 AM | 7:07 AM |
| Apr 1CDT | 5:40 AM | 6:13 AM | 6:40 AM |
| Apr 15CDT | 5:18 AM | 5:50 AM | 6:18 AM |
| May 1CDT | 4:56 AM | 5:27 AM | 5:56 AM |
| May 15CDT | 4:41 AM | 5:10 AM | 5:41 AM |
| Jun 1CDT | 4:29 AM | 4:57 AM | 5:29 AM |
| Jun 15CDT | 4:27 AM | 4:54 AM | 5:27 AM |
| Jul 1CDT | 4:31 AM | 4:58 AM | 5:31 AM |
| Jul 15CDT | 4:40 AM | 5:08 AM | 5:40 AM |
| Aug 1CDT | 4:54 AM | 5:24 AM | 5:54 AM |
| Aug 15CDT | 5:07 AM | 5:38 AM | 6:07 AM |
| Sep 1CDT | 5:23 AM | 5:56 AM | 6:23 AM |
| Sep 15CDT | 5:36 AM | 6:09 AM | 6:36 AM |
| Oct 1CDT | 5:52 AM | 6:25 AM | 6:52 AM |
| Oct 15CDT | 6:06 AM | 6:38 AM | 7:06 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT MALSR RWY 06; MIRL RWY 12/30 & 18/36; TWY LGTS RWY 06 - CTAF. WHEN ATCT CLSD HIRL RWY 06/24 PRESET LOW INTST; INCR INTST - CTAF.
Runway 06/24
8,496 × 150 ft · Asphalt
Runway 12/30
6,799 × 150 ft · Asphalt
Runway 18/36
5,298 × 150 ft · Asphalt
Frequencies
Night at KDEC, in short
When can I log night time at KDEC?
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 5:16 PM to 6:03 AM CST.
When do landings at KDEC 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 5:48 PM to 5:31 AM CST.
When are position lights required at KDEC?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:48 PM to 6:31 AM CST.
Nearby airports
- 2H0 Shelby County Shelbyville, IL · 25 nm
- K96 Tuscola Tuscola, IL · 26 nm
- KTAZ Taylorville Municipal Taylorville, IL · 28 nm
- KAAA Logan County Lincoln, IL · 29 nm
- KCMI University Of Illinois/Willard Champaign/Urbana, IL · 30 nm
- KMTO Coles County Memorial Mattoon/Charleston, IL · 35 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.