KBJC Rocky Mountain Metro night times
Denver, CO · FAA BJC
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:52 PMto6:36 AM
Sunset to sunrise. Lights on.
2352Z to 1336Z
Night logging
§ 1.15:21 PMto6:08 AM
Civil twilight. Log it as night.
0021Z to 1308Z
Night currency
§ 61.57(b)5:52 PMto5:36 AM
One hour after sunset. Landings count.
0052Z to 1236Z
Evenings at KBJC
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:58 PM | 5:26 PM | 5:58 PM |
| Nov 15MST | 4:44 PM | 5:13 PM | 5:44 PM |
| Dec 1MST | 4:36 PM | 5:06 PM | 5:36 PM |
| Dec 15MST | 4:36 PM | 5:07 PM | 5:36 PM |
| Jan 1MST | 4:46 PM | 5:17 PM | 5:46 PM |
| Jan 15MST | 5:00 PM | 5:30 PM | 6:00 PM |
| Feb 1MST | 5:20 PM | 5:48 PM | 6:20 PM |
| Feb 15MST | 5:36 PM | 6:04 PM | 6:36 PM |
| Mar 1MST | 5:52 PM | 6:19 PM | 6:52 PM |
| Mar 15MDT | 7:07 PM | 7:34 PM | 8:07 PM |
| Apr 1MDT | 7:25 PM | 7:52 PM | 8:25 PM |
| Apr 15MDT | 7:39 PM | 8:07 PM | 8:39 PM |
| May 1MDT | 7:55 PM | 8:24 PM | 8:55 PM |
| May 15MDT | 8:09 PM | 8:39 PM | 9:09 PM |
| Jun 1MDT | 8:23 PM | 8:55 PM | 9:23 PM |
| Jun 15MDT | 8:31 PM | 9:04 PM | 9:31 PM |
| Jul 1MDT | 8:33 PM | 9:06 PM | 9:33 PM |
| Jul 15MDT | 8:28 PM | 9:00 PM | 9:28 PM |
| Aug 1MDT | 8:14 PM | 8:44 PM | 9:14 PM |
| Aug 15MDT | 7:57 PM | 8:26 PM | 8:57 PM |
| Sep 1MDT | 7:32 PM | 8:00 PM | 8:32 PM |
| Sep 15MDT | 7:09 PM | 7:36 PM | 8:09 PM |
| Oct 1MDT | 6:43 PM | 7:10 PM | 7:43 PM |
| Oct 15MDT | 6:21 PM | 6:48 PM | 7:21 PM |
Mornings at KBJC
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:30 AM | 6:02 AM | 6:30 AM |
| Nov 15MST | 5:46 AM | 6:17 AM | 6:46 AM |
| Dec 1MST | 6:03 AM | 6:33 AM | 7:03 AM |
| Dec 15MST | 6:15 AM | 6:44 AM | 7:15 AM |
| Jan 1MST | 6:22 AM | 6:52 AM | 7:22 AM |
| Jan 15MST | 6:20 AM | 6:51 AM | 7:20 AM |
| Feb 1MST | 6:09 AM | 6:40 AM | 7:09 AM |
| Feb 15MST | 5:53 AM | 6:26 AM | 6:53 AM |
| Mar 1MST | 5:34 AM | 6:07 AM | 6:34 AM |
| Mar 15MDT | 6:12 AM | 6:45 AM | 7:12 AM |
| Apr 1MDT | 5:45 AM | 6:17 AM | 6:45 AM |
| Apr 15MDT | 5:23 AM | 5:55 AM | 6:23 AM |
| May 1MDT | 5:01 AM | 5:32 AM | 6:01 AM |
| May 15MDT | 4:46 AM | 5:15 AM | 5:46 AM |
| Jun 1MDT | 4:34 AM | 5:02 AM | 5:34 AM |
| Jun 15MDT | 4:31 AM | 4:59 AM | 5:31 AM |
| Jul 1MDT | 4:36 AM | 5:03 AM | 5:36 AM |
| Jul 15MDT | 4:45 AM | 5:13 AM | 5:45 AM |
| Aug 1MDT | 4:59 AM | 5:29 AM | 5:59 AM |
| Aug 15MDT | 5:12 AM | 5:43 AM | 6:12 AM |
| Sep 1MDT | 5:28 AM | 6:01 AM | 6:28 AM |
| Sep 15MDT | 5:41 AM | 6:14 AM | 6:41 AM |
| Oct 1MDT | 5:57 AM | 6:30 AM | 6:57 AM |
| Oct 15MDT | 6:11 AM | 6:44 AM | 7:11 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 30R; REIL RWY 12L, 12R & 30L; PAPI RWY 03, 12L, 12R, 21, 30L & 30R; MIRL RWY 03/21 & 12R/30L; HIRL RWY 12L/30R - CTAF.
Runway 03/21
3,600 × 75 ft · Asphalt
Runway 12L/30R
9,000 × 100 ft · Asphalt
Runway 12R/30L
7,002 × 75 ft · Asphalt
Frequencies
Night at KBJC, in short
When can I log night time at KBJC?
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 5:21 PM to 6:08 AM MST.
When do landings at KBJC 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 5:52 PM to 5:36 AM MST.
When are position lights required at KBJC?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:52 PM to 6:36 AM MST.
Nearby airports
- KEIK Erie Municipal Erie, CO · 7 nm
- KBDU Boulder Municipal Boulder, CO · 9 nm
- KLMO Vance Brand Longmont, CO · 15 nm
- KDEN Denver International Denver, CO · 21 nm
- 18V Platte Valley Airpark Hudson, CO · 22 nm
- KAPA Centennial Denver, CO · 24 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.