I91 Boonville night times
Boonville, IN
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:45 PMto6:22 AM
Sunset to sunrise. Lights on.
2245Z to 1222Z
Night logging
§ 1.15:12 PMto5:54 AM
Civil twilight. Log it as night.
2312Z to 1154Z
Night currency
§ 61.57(b)5:45 PMto5:22 AM
One hour after sunset. Landings count.
2345Z to 1122Z
Evenings at I91
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 4:50 PM | 5:17 PM | 5:50 PM |
| Nov 15CST | 4:37 PM | 5:05 PM | 5:37 PM |
| Dec 1CST | 4:30 PM | 4:59 PM | 5:30 PM |
| Dec 15CST | 4:31 PM | 5:00 PM | 5:31 PM |
| Jan 1CST | 4:40 PM | 5:10 PM | 5:40 PM |
| Jan 15CST | 4:53 PM | 5:22 PM | 5:53 PM |
| Feb 1CST | 5:12 PM | 5:40 PM | 6:12 PM |
| Feb 15CST | 5:28 PM | 5:55 PM | 6:28 PM |
| Mar 1CST | 5:43 PM | 6:09 PM | 6:43 PM |
| Mar 15CDT | 6:56 PM | 7:23 PM | 7:56 PM |
| Apr 1CDT | 7:12 PM | 7:39 PM | 8:12 PM |
| Apr 15CDT | 7:25 PM | 7:52 PM | 8:25 PM |
| May 1CDT | 7:40 PM | 8:09 PM | 8:40 PM |
| May 15CDT | 7:53 PM | 8:22 PM | 8:53 PM |
| Jun 1CDT | 8:06 PM | 8:37 PM | 9:06 PM |
| Jun 15CDT | 8:14 PM | 8:45 PM | 9:14 PM |
| Jul 1CDT | 8:16 PM | 8:47 PM | 9:16 PM |
| Jul 15CDT | 8:12 PM | 8:42 PM | 9:12 PM |
| Aug 1CDT | 7:59 PM | 8:28 PM | 8:59 PM |
| Aug 15CDT | 7:43 PM | 8:11 PM | 8:43 PM |
| Sep 1CDT | 7:19 PM | 7:46 PM | 8:19 PM |
| Sep 15CDT | 6:57 PM | 7:24 PM | 7:57 PM |
| Oct 1CDT | 6:32 PM | 6:59 PM | 7:32 PM |
| Oct 15CDT | 6:12 PM | 6:38 PM | 7:12 PM |
Mornings at I91
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:15 AM | 5:48 AM | 6:15 AM |
| Nov 15CST | 5:30 AM | 6:02 AM | 6:30 AM |
| Dec 1CST | 5:47 AM | 6:18 AM | 6:47 AM |
| Dec 15CST | 5:58 AM | 6:29 AM | 6:58 AM |
| Jan 1CST | 6:05 AM | 6:36 AM | 7:05 AM |
| Jan 15CST | 6:04 AM | 6:35 AM | 7:04 AM |
| Feb 1CST | 5:54 AM | 6:26 AM | 6:54 AM |
| Feb 15CST | 5:39 AM | 6:12 AM | 6:39 AM |
| Mar 1CST | 5:21 AM | 5:55 AM | 6:21 AM |
| Mar 15CDT | 6:01 AM | 6:34 AM | 7:01 AM |
| Apr 1CDT | 5:35 AM | 6:08 AM | 6:35 AM |
| Apr 15CDT | 5:14 AM | 5:47 AM | 6:14 AM |
| May 1CDT | 4:53 AM | 5:25 AM | 5:53 AM |
| May 15CDT | 4:39 AM | 5:09 AM | 5:39 AM |
| Jun 1CDT | 4:28 AM | 4:58 AM | 5:28 AM |
| Jun 15CDT | 4:26 AM | 4:55 AM | 5:26 AM |
| Jul 1CDT | 4:30 AM | 4:59 AM | 5:30 AM |
| Jul 15CDT | 4:39 AM | 5:08 AM | 5:39 AM |
| Aug 1CDT | 4:52 AM | 5:23 AM | 5:52 AM |
| Aug 15CDT | 5:04 AM | 5:36 AM | 6:04 AM |
| Sep 1CDT | 5:19 AM | 5:52 AM | 6:19 AM |
| Sep 15CDT | 5:31 AM | 6:04 AM | 6:31 AM |
| Oct 1CDT | 5:45 AM | 6:19 AM | 6:45 AM |
| Oct 15CDT | 5:58 AM | 6:31 AM | 6:58 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 09/27
2,300 × 100 ft · Turf
Frequencies
Night at I91, in short
When can I log night time at I91?
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 5:12 PM to 5:54 AM CST.
When do landings at I91 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 5:45 PM to 5:22 AM CST.
When are position lights required at I91?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:45 PM to 6:22 AM CST.
Nearby airports
- KEVV Evansville Regional Evansville, IN · 10 nm
- 3EV Skylane Evansville, IN · 13 nm
- KOWB Owensboro/Daviess County Regional Owensboro, KY · 20 nm
- KHNB Huntingburg Huntingburg, IN · 21 nm
- KY8 Hancock County/Ron Lewis Field Lewisport, KY · 22 nm
- KEHR Henderson City-County Henderson, KY · 23 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.