5V4 Calhan night times
Calhan, CO
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:51 PMto6:31 AM
Sunset to sunrise. Lights on.
2351Z to 1331Z
Night logging
§ 1.15:19 PMto6:03 AM
Civil twilight. Log it as night.
0019Z to 1303Z
Night currency
§ 61.57(b)5:51 PMto5:31 AM
One hour after sunset. Landings count.
0051Z to 1231Z
Evenings at 5V4
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:56 PM | 5:24 PM | 5:56 PM |
| Nov 15MST | 4:43 PM | 5:11 PM | 5:43 PM |
| Dec 1MST | 4:35 PM | 5:05 PM | 5:35 PM |
| Dec 15MST | 4:36 PM | 5:06 PM | 5:36 PM |
| Jan 1MST | 4:45 PM | 5:15 PM | 5:45 PM |
| Jan 15MST | 4:59 PM | 5:28 PM | 5:59 PM |
| Feb 1MST | 5:18 PM | 5:46 PM | 6:18 PM |
| Feb 15MST | 5:34 PM | 6:02 PM | 6:34 PM |
| Mar 1MST | 5:50 PM | 6:17 PM | 6:50 PM |
| Mar 15MDT | 7:04 PM | 7:31 PM | 8:04 PM |
| Apr 1MDT | 7:21 PM | 7:48 PM | 8:21 PM |
| Apr 15MDT | 7:34 PM | 8:02 PM | 8:34 PM |
| May 1MDT | 7:50 PM | 8:19 PM | 8:50 PM |
| May 15MDT | 8:03 PM | 8:33 PM | 9:03 PM |
| Jun 1MDT | 8:17 PM | 8:49 PM | 9:17 PM |
| Jun 15MDT | 8:25 PM | 8:57 PM | 9:25 PM |
| Jul 1MDT | 8:27 PM | 8:59 PM | 9:27 PM |
| Jul 15MDT | 8:22 PM | 8:53 PM | 9:22 PM |
| Aug 1MDT | 8:09 PM | 8:38 PM | 9:09 PM |
| Aug 15MDT | 7:52 PM | 8:21 PM | 8:52 PM |
| Sep 1MDT | 7:28 PM | 7:55 PM | 8:28 PM |
| Sep 15MDT | 7:06 PM | 7:32 PM | 8:06 PM |
| Oct 1MDT | 6:40 PM | 7:07 PM | 7:40 PM |
| Oct 15MDT | 6:19 PM | 6:46 PM | 7:19 PM |
Mornings at 5V4
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:25 AM | 5:57 AM | 6:25 AM |
| Nov 15MST | 5:40 AM | 6:12 AM | 6:40 AM |
| Dec 1MST | 5:57 AM | 6:28 AM | 6:57 AM |
| Dec 15MST | 6:09 AM | 6:39 AM | 7:09 AM |
| Jan 1MST | 6:16 AM | 6:46 AM | 7:16 AM |
| Jan 15MST | 6:15 AM | 6:45 AM | 7:15 AM |
| Feb 1MST | 6:04 AM | 6:36 AM | 7:04 AM |
| Feb 15MST | 5:49 AM | 6:21 AM | 6:49 AM |
| Mar 1MST | 5:30 AM | 6:03 AM | 6:30 AM |
| Mar 15MDT | 6:09 AM | 6:42 AM | 7:09 AM |
| Apr 1MDT | 5:42 AM | 6:15 AM | 6:42 AM |
| Apr 15MDT | 5:21 AM | 5:53 AM | 6:21 AM |
| May 1MDT | 4:59 AM | 5:30 AM | 5:59 AM |
| May 15MDT | 4:44 AM | 5:14 AM | 5:44 AM |
| Jun 1MDT | 4:33 AM | 5:02 AM | 5:33 AM |
| Jun 15MDT | 4:31 AM | 4:59 AM | 5:31 AM |
| Jul 1MDT | 4:35 AM | 5:03 AM | 5:35 AM |
| Jul 15MDT | 4:44 AM | 5:12 AM | 5:44 AM |
| Aug 1MDT | 4:58 AM | 5:28 AM | 5:58 AM |
| Aug 15MDT | 5:10 AM | 5:42 AM | 6:10 AM |
| Sep 1MDT | 5:26 AM | 5:58 AM | 6:26 AM |
| Sep 15MDT | 5:38 AM | 6:12 AM | 6:38 AM |
| Oct 1MDT | 5:53 AM | 6:26 AM | 6:53 AM |
| Oct 15MDT | 6:07 AM | 6:40 AM | 7:07 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
DUSK-DAWN. ACTVT NSTD LIRL RY 17/35 & VASI RY 17 - CTAF.
Runway 17/35
4,565 × 50 ft · Turf
RY 17/35 NSTD LIRL. NORTH 3000 FT RY LIGHTED.
Frequencies
Night at 5V4, in short
When can I log night time at 5V4?
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 5:19 PM to 6:03 AM MST.
When do landings at 5V4 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 5:51 PM to 5:31 AM MST.
When are position lights required at 5V4?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:51 PM to 6:31 AM MST.
Nearby airports
- CO4 Colorado Springs East Ellicott, CO · 12 nm
- KFLY Meadow Lake Colorado Springs, CO · 14 nm
- KCOS City Of Colorado Springs Municipal Colorado Springs, CO · 24 nm
- KLIC Limon Municipal Limon, CO · 32 nm
- KAPA Centennial Denver, CO · 41 nm
- KCFO Colorado Air And Space Port Denver, CO · 46 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.