KGYY Gary/Chicago International night times
Gary/Chicago, IN · FAA GYY
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:38 PMto6:29 AM
Sunset to sunrise. Lights on.
2238Z to 1229Z
Night logging
§ 1.15:07 PMto6:00 AM
Civil twilight. Log it as night.
2307Z to 1200Z
Night currency
§ 61.57(b)5:38 PMto5:29 AM
One hour after sunset. Landings count.
2338Z to 1129Z
Evenings at KGYY
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 4:44 PM | 5:13 PM | 5:44 PM |
| Nov 15CST | 4:29 PM | 4:59 PM | 5:29 PM |
| Dec 1CST | 4:20 PM | 4:51 PM | 5:20 PM |
| Dec 15CST | 4:20 PM | 4:52 PM | 5:20 PM |
| Jan 1CST | 4:30 PM | 5:01 PM | 5:30 PM |
| Jan 15CST | 4:44 PM | 5:15 PM | 5:44 PM |
| Feb 1CST | 5:05 PM | 5:35 PM | 6:05 PM |
| Feb 15CST | 5:23 PM | 5:51 PM | 6:23 PM |
| Mar 1CST | 5:40 PM | 6:08 PM | 6:40 PM |
| Mar 15CDT | 6:56 PM | 7:24 PM | 7:56 PM |
| Apr 1CDT | 7:15 PM | 7:43 PM | 8:15 PM |
| Apr 15CDT | 7:30 PM | 7:59 PM | 8:30 PM |
| May 1CDT | 7:48 PM | 8:18 PM | 8:48 PM |
| May 15CDT | 8:02 PM | 8:34 PM | 9:02 PM |
| Jun 1CDT | 8:17 PM | 8:51 PM | 9:17 PM |
| Jun 15CDT | 8:26 PM | 9:00 PM | 9:26 PM |
| Jul 1CDT | 8:28 PM | 9:02 PM | 9:28 PM |
| Jul 15CDT | 8:22 PM | 8:55 PM | 9:22 PM |
| Aug 1CDT | 8:07 PM | 8:39 PM | 9:07 PM |
| Aug 15CDT | 7:49 PM | 8:19 PM | 8:49 PM |
| Sep 1CDT | 7:23 PM | 7:52 PM | 8:23 PM |
| Sep 15CDT | 6:59 PM | 7:27 PM | 7:59 PM |
| Oct 1CDT | 6:32 PM | 6:59 PM | 7:32 PM |
| Oct 15CDT | 6:09 PM | 6:37 PM | 7:09 PM |
Mornings at KGYY
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:22 AM | 5:53 AM | 6:22 AM |
| Nov 15CST | 5:39 AM | 6:09 AM | 6:39 AM |
| Dec 1CST | 5:57 AM | 6:26 AM | 6:57 AM |
| Dec 15CST | 6:09 AM | 6:38 AM | 7:09 AM |
| Jan 1CST | 6:17 AM | 6:45 AM | 7:17 AM |
| Jan 15CST | 6:14 AM | 6:44 AM | 7:14 AM |
| Feb 1CST | 6:02 AM | 6:32 AM | 7:02 AM |
| Feb 15CST | 5:45 AM | 6:17 AM | 6:45 AM |
| Mar 1CST | 5:25 AM | 5:57 AM | 6:25 AM |
| Mar 15CDT | 6:02 AM | 6:34 AM | 7:02 AM |
| Apr 1CDT | 5:33 AM | 6:05 AM | 6:33 AM |
| Apr 15CDT | 5:10 AM | 5:41 AM | 6:10 AM |
| May 1CDT | 4:47 AM | 5:16 AM | 5:47 AM |
| May 15CDT | 4:30 AM | 4:59 AM | 5:30 AM |
| Jun 1CDT | 4:18 AM | 4:45 AM | 5:18 AM |
| Jun 15CDT | 4:15 AM | 4:41 AM | 5:15 AM |
| Jul 1CDT | 4:19 AM | 4:45 AM | 5:19 AM |
| Jul 15CDT | 4:29 AM | 4:55 AM | 5:29 AM |
| Aug 1CDT | 4:44 AM | 5:13 AM | 5:44 AM |
| Aug 15CDT | 4:58 AM | 5:28 AM | 5:58 AM |
| Sep 1CDT | 5:16 AM | 5:47 AM | 6:16 AM |
| Sep 15CDT | 5:30 AM | 6:02 AM | 6:30 AM |
| Oct 1CDT | 5:46 AM | 6:19 AM | 6:46 AM |
| Oct 15CDT | 6:02 AM | 6:34 AM | 7:02 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
WHEN ATCT CLSD ACTVT MALSR RWY 30; REIL RWY 02, 12 & 20; MIRL RWY 02/20; HIRL RWY 12/30 - CTAF.
Runway 02/20
3,604 × 100 ft · Asphalt
Runway 12/30
8,859 × 150 ft · Concrete
Frequencies
Night at KGYY, in short
When can I log night time at KGYY?
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 5:07 PM to 6:00 AM CST.
When do landings at KGYY 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 5:38 PM to 5:29 AM CST.
When are position lights required at KGYY?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:38 PM to 6:29 AM CST.
Nearby airports
- 05C Griffith-Merrillville Griffith, IN · 6 nm
- KIGQ Lansing Municipal Chicago, IL · 7 nm
- 3HO Hobart Sky Ranch Hobart, IN · 8 nm
- IN7 Cedar Lake Cedar Lake, IN · 15 nm
- TF8 Tinley Park Helistop Chicago/Tinley Park, IL · 18 nm
- KMDW Chicago Midway International Chicago, IL · 18 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.