KVYS Illinois Valley Regional-Walter A Duncan Field night times
Peru, IL · FAA VYS
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:46 PMto6:35 AM
Sunset to sunrise. Lights on.
2246Z to 1235Z
Night logging
§ 1.15:15 PMto6:06 AM
Civil twilight. Log it as night.
2315Z to 1206Z
Night currency
§ 61.57(b)5:46 PMto5:35 AM
One hour after sunset. Landings count.
2346Z to 1135Z
Evenings at KVYS
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 4:52 PM | 5:20 PM | 5:52 PM |
| Nov 15CST | 4:37 PM | 5:07 PM | 5:37 PM |
| Dec 1CST | 4:28 PM | 4:59 PM | 5:28 PM |
| Dec 15CST | 4:28 PM | 4:59 PM | 5:28 PM |
| Jan 1CST | 4:38 PM | 5:09 PM | 5:38 PM |
| Jan 15CST | 4:52 PM | 5:22 PM | 5:52 PM |
| Feb 1CST | 5:13 PM | 5:42 PM | 6:13 PM |
| Feb 15CST | 5:30 PM | 5:59 PM | 6:30 PM |
| Mar 1CST | 5:47 PM | 6:15 PM | 6:47 PM |
| Mar 15CDT | 7:03 PM | 7:31 PM | 8:03 PM |
| Apr 1CDT | 7:22 PM | 7:50 PM | 8:22 PM |
| Apr 15CDT | 7:37 PM | 8:06 PM | 8:37 PM |
| May 1CDT | 7:54 PM | 8:24 PM | 8:54 PM |
| May 15CDT | 8:09 PM | 8:40 PM | 9:09 PM |
| Jun 1CDT | 8:24 PM | 8:57 PM | 9:24 PM |
| Jun 15CDT | 8:32 PM | 9:06 PM | 9:32 PM |
| Jul 1CDT | 8:34 PM | 9:08 PM | 9:34 PM |
| Jul 15CDT | 8:29 PM | 9:01 PM | 9:29 PM |
| Aug 1CDT | 8:14 PM | 8:45 PM | 9:14 PM |
| Aug 15CDT | 7:56 PM | 8:26 PM | 8:56 PM |
| Sep 1CDT | 7:30 PM | 7:58 PM | 8:30 PM |
| Sep 15CDT | 7:06 PM | 7:34 PM | 8:06 PM |
| Oct 1CDT | 6:39 PM | 7:06 PM | 7:39 PM |
| Oct 15CDT | 6:16 PM | 6:44 PM | 7:16 PM |
Mornings at KVYS
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:28 AM | 6:00 AM | 6:28 AM |
| Nov 15CST | 5:45 AM | 6:15 AM | 6:45 AM |
| Dec 1CST | 6:03 AM | 6:32 AM | 7:03 AM |
| Dec 15CST | 6:16 AM | 6:44 AM | 7:16 AM |
| Jan 1CST | 6:23 AM | 6:51 AM | 7:23 AM |
| Jan 15CST | 6:20 AM | 6:50 AM | 7:20 AM |
| Feb 1CST | 6:08 AM | 6:39 AM | 7:08 AM |
| Feb 15CST | 5:52 AM | 6:23 AM | 6:52 AM |
| Mar 1CST | 5:31 AM | 6:04 AM | 6:31 AM |
| Mar 15CDT | 6:09 AM | 6:41 AM | 7:09 AM |
| Apr 1CDT | 5:40 AM | 6:12 AM | 6:40 AM |
| Apr 15CDT | 5:17 AM | 5:49 AM | 6:17 AM |
| May 1CDT | 4:54 AM | 5:24 AM | 5:54 AM |
| May 15CDT | 4:38 AM | 5:07 AM | 5:38 AM |
| Jun 1CDT | 4:26 AM | 4:53 AM | 5:26 AM |
| Jun 15CDT | 4:23 AM | 4:49 AM | 5:23 AM |
| Jul 1CDT | 4:27 AM | 4:53 AM | 5:27 AM |
| Jul 15CDT | 4:36 AM | 5:03 AM | 5:36 AM |
| Aug 1CDT | 4:52 AM | 5:20 AM | 5:52 AM |
| Aug 15CDT | 5:06 AM | 5:36 AM | 6:06 AM |
| Sep 1CDT | 5:23 AM | 5:54 AM | 6:23 AM |
| Sep 15CDT | 5:37 AM | 6:09 AM | 6:37 AM |
| Oct 1CDT | 5:53 AM | 6:26 AM | 6:53 AM |
| Oct 15CDT | 6:08 AM | 6:40 AM | 7:08 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
MIRL RY 18/36 PRESET LOW INTST; TO INCR INTST & ACTVT REIL RY 07/25; MIRL RY 07/25; ODALS RY 36; MIRL RY 18/36 - CTAF.
Runway 07/25
3,999 × 75 ft · Asphalt
Runway 18/36
5,999 × 100 ft · Asphalt
Frequencies
Night at KVYS, in short
When can I log night time at KVYS?
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 5:15 PM to 6:06 AM CST.
When do landings at KVYS 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 5:46 PM to 5:35 AM CST.
When are position lights required at KVYS?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:46 PM to 6:35 AM CST.
Nearby airports
- 8N2 Skydive Chicago Ottawa, IL · 16 nm
- C75 Marshall County Lacon, IL · 23 nm
- C82 Bresson Compton, IL · 25 nm
- 0C8 Cushing Field Ltd Newark, IL · 27 nm
- C73 Dixon Municipal-Charles R Walgreen Field Dixon, IL · 32 nm
- 0C2 Hinckley Hinckley, IL · 32 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.