0G5 Grand Marais/Cook County night times
Grand Marais, MN · Seaplane base
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:36 PMto6:56 AM
Sunset to sunrise. Lights on.
2236Z to 1256Z
Night logging
§ 1.15:09 PMto6:23 AM
Civil twilight. Log it as night.
2309Z to 1223Z
Night currency
§ 61.57(b)5:36 PMto5:56 AM
One hour after sunset. Landings count.
2336Z to 1156Z
Evenings at 0G5
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 4:43 PM | 5:16 PM | 5:43 PM |
| Nov 15CST | 4:24 PM | 4:58 PM | 5:24 PM |
| Dec 1CST | 4:11 PM | 4:47 PM | 5:11 PM |
| Dec 15CST | 4:10 PM | 4:46 PM | 5:10 PM |
| Jan 1CST | 4:20 PM | 4:56 PM | 5:20 PM |
| Jan 15CST | 4:36 PM | 5:11 PM | 5:36 PM |
| Feb 1CST | 5:02 PM | 5:35 PM | 6:02 PM |
| Feb 15CST | 5:24 PM | 5:56 PM | 6:24 PM |
| Mar 1CST | 5:46 PM | 6:17 PM | 6:46 PM |
| Mar 15CDT | 7:07 PM | 7:38 PM | 8:07 PM |
| Apr 1CDT | 7:32 PM | 8:03 PM | 8:32 PM |
| Apr 15CDT | 7:52 PM | 8:24 PM | 8:52 PM |
| May 1CDT | 8:14 PM | 8:49 PM | 9:14 PM |
| May 15CDT | 8:33 PM | 9:10 PM | 9:33 PM |
| Jun 1CDT | 8:52 PM | 9:32 PM | 9:52 PM |
| Jun 15CDT | 9:02 PM | 9:43 PM | 10:02 PM |
| Jul 1CDT | 9:04 PM | 9:44 PM | 10:04 PM |
| Jul 15CDT | 8:56 PM | 9:35 PM | 9:56 PM |
| Aug 1CDT | 8:37 PM | 9:13 PM | 9:37 PM |
| Aug 15CDT | 8:15 PM | 8:49 PM | 9:15 PM |
| Sep 1CDT | 7:43 PM | 8:15 PM | 8:43 PM |
| Sep 15CDT | 7:14 PM | 7:45 PM | 8:14 PM |
| Oct 1CDT | 6:41 PM | 7:12 PM | 7:41 PM |
| Oct 15CDT | 6:13 PM | 6:45 PM | 7:13 PM |
Mornings at 0G5
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:46 AM | 6:14 AM | 6:46 AM |
| Nov 15CST | 6:08 AM | 6:34 AM | 7:08 AM |
| Dec 1CST | 6:30 AM | 6:54 AM | 7:30 AM |
| Dec 15CST | 6:44 AM | 7:08 AM | 7:44 AM |
| Jan 1CST | 6:51 AM | 7:15 AM | 7:51 AM |
| Jan 15CST | 6:46 AM | 7:11 AM | 7:46 AM |
| Feb 1CST | 6:29 AM | 6:56 AM | 7:29 AM |
| Feb 15CST | 6:08 AM | 6:36 AM | 7:08 AM |
| Mar 1CST | 5:43 AM | 6:12 AM | 6:43 AM |
| Mar 15CDT | 6:15 AM | 6:44 AM | 7:15 AM |
| Apr 1CDT | 5:40 AM | 6:09 AM | 6:40 AM |
| Apr 15CDT | 5:13 AM | 5:40 AM | 6:13 AM |
| May 1CDT | 4:44 AM | 5:10 AM | 5:44 AM |
| May 15CDT | 4:24 AM | 4:47 AM | 5:24 AM |
| Jun 1CDT | 4:07 AM | 4:28 AM | 5:07 AM |
| Jun 15CDT | 4:02 AM | 4:21 AM | 5:02 AM |
| Jul 1CDT | 4:07 AM | 4:26 AM | 5:07 AM |
| Jul 15CDT | 4:18 AM | 4:39 AM | 5:18 AM |
| Aug 1CDT | 4:38 AM | 5:02 AM | 5:38 AM |
| Aug 15CDT | 4:57 AM | 5:23 AM | 5:57 AM |
| Sep 1CDT | 5:20 AM | 5:48 AM | 6:20 AM |
| Sep 15CDT | 5:39 AM | 6:08 AM | 6:39 AM |
| Oct 1CDT | 6:01 AM | 6:30 AM | 7:01 AM |
| Oct 15CDT | 6:21 AM | 6:49 AM | 7:21 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 03W/21W
3,000 × 2000 ft · Water
Runway 09W/27W
15,000 × 1500 ft · Water
Frequencies
Night at 0G5, in short
When can I log night time at 0G5?
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 5:09 PM to 6:23 AM CST.
When do landings at 0G5 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 5:36 PM to 5:56 AM CST.
When are position lights required at 0G5?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:36 PM to 6:56 AM CST.
Nearby airports
- KCKC Grand Marais/Cook County Grand Marais, MN · 1 nm
- M56 Gunflint Lodge Grand Marais, MN · 21 nm
- CYQT Thunder Bay Thunder Bay · 55 nm
- KELO Ely Municipal Ely, MN · 57 nm
- 23W Cornucopia Field Cornucopia, WI · 64 nm
- 4R5 Major Gilbert Field La Pointe, WI · 64 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.