KGNB Granby-Grand County night times
Granby, CO · FAA GNB
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:55 PMto6:40 AM
Sunset to sunrise. Lights on.
2355Z to 1340Z
Night logging
§ 1.15:24 PMto6:11 AM
Civil twilight. Log it as night.
0024Z to 1311Z
Night currency
§ 61.57(b)5:55 PMto5:40 AM
One hour after sunset. Landings count.
0055Z to 1240Z
Evenings at KGNB
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:01 PM | 5:29 PM | 6:01 PM |
| Nov 15MST | 4:47 PM | 5:16 PM | 5:47 PM |
| Dec 1MST | 4:39 PM | 5:09 PM | 5:39 PM |
| Dec 15MST | 4:39 PM | 5:10 PM | 5:39 PM |
| Jan 1MST | 4:49 PM | 5:19 PM | 5:49 PM |
| Jan 15MST | 5:03 PM | 5:32 PM | 6:03 PM |
| Feb 1MST | 5:23 PM | 5:51 PM | 6:23 PM |
| Feb 15MST | 5:39 PM | 6:07 PM | 6:39 PM |
| Mar 1MST | 5:55 PM | 6:23 PM | 6:55 PM |
| Mar 15MDT | 7:10 PM | 7:37 PM | 8:10 PM |
| Apr 1MDT | 7:28 PM | 7:55 PM | 8:28 PM |
| Apr 15MDT | 7:42 PM | 8:10 PM | 8:42 PM |
| May 1MDT | 7:59 PM | 8:28 PM | 8:59 PM |
| May 15MDT | 8:12 PM | 8:43 PM | 9:12 PM |
| Jun 1MDT | 8:27 PM | 8:59 PM | 9:27 PM |
| Jun 15MDT | 8:35 PM | 9:07 PM | 9:35 PM |
| Jul 1MDT | 8:37 PM | 9:09 PM | 9:37 PM |
| Jul 15MDT | 8:32 PM | 9:04 PM | 9:32 PM |
| Aug 1MDT | 8:18 PM | 8:48 PM | 9:18 PM |
| Aug 15MDT | 8:01 PM | 8:30 PM | 9:01 PM |
| Sep 1MDT | 7:35 PM | 8:03 PM | 8:35 PM |
| Sep 15MDT | 7:13 PM | 7:40 PM | 8:13 PM |
| Oct 1MDT | 6:46 PM | 7:13 PM | 7:46 PM |
| Oct 15MDT | 6:24 PM | 6:51 PM | 7:24 PM |
Mornings at KGNB
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:33 AM | 6:05 AM | 6:33 AM |
| Nov 15MST | 5:49 AM | 6:20 AM | 6:49 AM |
| Dec 1MST | 6:07 AM | 6:37 AM | 7:07 AM |
| Dec 15MST | 6:19 AM | 6:48 AM | 7:19 AM |
| Jan 1MST | 6:26 AM | 6:55 AM | 7:26 AM |
| Jan 15MST | 6:24 AM | 6:54 AM | 7:24 AM |
| Feb 1MST | 6:12 AM | 6:44 AM | 7:12 AM |
| Feb 15MST | 5:57 AM | 6:29 AM | 6:57 AM |
| Mar 1MST | 5:37 AM | 6:10 AM | 6:37 AM |
| Mar 15MDT | 6:15 AM | 6:48 AM | 7:15 AM |
| Apr 1MDT | 5:48 AM | 6:20 AM | 6:48 AM |
| Apr 15MDT | 5:26 AM | 5:58 AM | 6:26 AM |
| May 1MDT | 5:04 AM | 5:34 AM | 6:04 AM |
| May 15MDT | 4:48 AM | 5:18 AM | 5:48 AM |
| Jun 1MDT | 4:37 AM | 5:05 AM | 5:37 AM |
| Jun 15MDT | 4:34 AM | 5:01 AM | 5:34 AM |
| Jul 1MDT | 4:38 AM | 5:06 AM | 5:38 AM |
| Jul 15MDT | 4:47 AM | 5:15 AM | 5:47 AM |
| Aug 1MDT | 5:02 AM | 5:31 AM | 6:02 AM |
| Aug 15MDT | 5:15 AM | 5:46 AM | 6:15 AM |
| Sep 1MDT | 5:31 AM | 6:03 AM | 6:31 AM |
| Sep 15MDT | 5:45 AM | 6:17 AM | 6:45 AM |
| Oct 1MDT | 6:00 AM | 6:33 AM | 7:00 AM |
| Oct 15MDT | 6:14 AM | 6:47 AM | 7:14 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT REIL RWY 09 & 27; LIRL RWY 09/27 - CTAF.
Runway 09/27
5,001 × 75 ft · Asphalt
Frequencies
Night at KGNB, in short
When can I log night time at KGNB?
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 5:24 PM to 6:11 AM MST.
When do landings at KGNB 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 5:55 PM to 5:40 AM MST.
When are position lights required at KGNB?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:55 PM to 6:40 AM MST.
Nearby airports
- 20V Mc Elroy Airfield Kremmling, CO · 21 nm
- KBDU Boulder Municipal Boulder, CO · 32 nm
- KLMO Vance Brand Longmont, CO · 35 nm
- KBJC Rocky Mountain Metro Denver, CO · 38 nm
- KEIK Erie Municipal Erie, CO · 40 nm
- 33V Walden-Jackson County Walden, CO · 43 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.