11J Gorilla night times
Onondaga, MI · Heliport
Night of Nov 6 to Nov 7EST
Position lights
§ 91.2095:25 PMto7:19 AM
Sunset to sunrise. Lights on.
2225Z to 1219Z
Night logging
§ 1.15:55 PMto6:50 AM
Civil twilight. Log it as night.
2255Z to 1150Z
Night currency
§ 61.57(b)6:25 PMto6:19 AM
One hour after sunset. Landings count.
2325Z to 1119Z
Evenings at 11J
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1EST | 5:31 PM | 6:01 PM | 6:31 PM |
| Nov 15EST | 5:16 PM | 5:46 PM | 6:16 PM |
| Dec 1EST | 5:06 PM | 5:38 PM | 6:06 PM |
| Dec 15EST | 5:06 PM | 5:38 PM | 6:06 PM |
| Jan 1EST | 5:16 PM | 5:48 PM | 6:16 PM |
| Jan 15EST | 5:31 PM | 6:02 PM | 6:31 PM |
| Feb 1EST | 5:52 PM | 6:22 PM | 6:52 PM |
| Feb 15EST | 6:10 PM | 6:39 PM | 7:10 PM |
| Mar 1EST | 6:28 PM | 6:56 PM | 7:28 PM |
| Mar 15EDT | 7:45 PM | 8:13 PM | 8:45 PM |
| Apr 1EDT | 8:04 PM | 8:33 PM | 9:04 PM |
| Apr 15EDT | 8:20 PM | 8:49 PM | 9:20 PM |
| May 1EDT | 8:38 PM | 9:09 PM | 9:38 PM |
| May 15EDT | 8:53 PM | 9:25 PM | 9:53 PM |
| Jun 1EDT | 9:09 PM | 9:43 PM | 10:09 PM |
| Jun 15EDT | 9:17 PM | 9:52 PM | 10:17 PM |
| Jul 1EDT | 9:19 PM | 9:54 PM | 10:19 PM |
| Jul 15EDT | 9:14 PM | 9:47 PM | 10:14 PM |
| Aug 1EDT | 8:58 PM | 9:30 PM | 9:58 PM |
| Aug 15EDT | 8:40 PM | 9:10 PM | 9:40 PM |
| Sep 1EDT | 8:13 PM | 8:41 PM | 9:13 PM |
| Sep 15EDT | 7:48 PM | 8:16 PM | 8:48 PM |
| Oct 1EDT | 7:20 PM | 7:48 PM | 8:20 PM |
| Oct 15EDT | 6:56 PM | 7:25 PM | 7:56 PM |
Mornings at 11J
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1EST | 6:12 AM | 6:43 AM | 7:12 AM |
| Nov 15EST | 6:29 AM | 6:59 AM | 7:29 AM |
| Dec 1EST | 6:48 AM | 7:17 AM | 7:48 AM |
| Dec 15EST | 7:01 AM | 7:29 AM | 8:01 AM |
| Jan 1EST | 7:08 AM | 7:36 AM | 8:08 AM |
| Jan 15EST | 7:05 AM | 7:34 AM | 8:05 AM |
| Feb 1EST | 6:52 AM | 7:22 AM | 7:52 AM |
| Feb 15EST | 6:35 AM | 7:06 AM | 7:35 AM |
| Mar 1EST | 6:14 AM | 6:46 AM | 7:14 AM |
| Mar 15EDT | 6:51 AM | 7:23 AM | 7:51 AM |
| Apr 1EDT | 6:21 AM | 6:53 AM | 7:21 AM |
| Apr 15EDT | 5:58 AM | 6:28 AM | 6:58 AM |
| May 1EDT | 5:34 AM | 6:03 AM | 6:34 AM |
| May 15EDT | 5:17 AM | 5:45 AM | 6:17 AM |
| Jun 1EDT | 5:04 AM | 5:30 AM | 6:04 AM |
| Jun 15EDT | 5:01 AM | 5:26 AM | 6:01 AM |
| Jul 1EDT | 5:05 AM | 5:30 AM | 6:05 AM |
| Jul 15EDT | 5:15 AM | 5:41 AM | 6:15 AM |
| Aug 1EDT | 5:31 AM | 5:59 AM | 6:31 AM |
| Aug 15EDT | 5:45 AM | 6:15 AM | 6:45 AM |
| Sep 1EDT | 6:03 AM | 6:34 AM | 7:03 AM |
| Sep 15EDT | 6:18 AM | 6:50 AM | 7:18 AM |
| Oct 1EDT | 6:35 AM | 7:07 AM | 7:35 AM |
| Oct 15EDT | 6:51 AM | 7:23 AM | 7:51 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Helipad H1
75 × 50 ft · Turf
Frequencies
Night at 11J, in short
When can I log night time at 11J?
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 5:55 PM to 6:50 AM EST.
When do landings at 11J 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 6:25 PM to 6:19 AM EST.
When are position lights required at 11J?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:25 PM to 7:19 AM EST.
Nearby airports
- 60G Skyway Estates Eaton Rapids, MI · 10 nm
- KTEW Mason Jewett Field Mason, MI · 11 nm
- KJXN Jackson County/Reynolds Field Jackson, MI · 11 nm
- KFPK Fitch H Beach Charlotte, MI · 14 nm
- 49G Wend Valley Charlotte, MI · 17 nm
- 6H4 Van Wagnen Napoleon, MI · 19 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.