KALS San Luis Valley Regional/Bergman Field night times
Alamosa, CO · FAA ALS
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:00 PMto6:35 AM
Sunset to sunrise. Lights on.
0000Z to 1335Z
Night logging
§ 1.15:27 PMto6:07 AM
Civil twilight. Log it as night.
0027Z to 1307Z
Night currency
§ 61.57(b)6:00 PMto5:35 AM
One hour after sunset. Landings count.
0100Z to 1235Z
Evenings at KALS
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:05 PM | 5:32 PM | 6:05 PM |
| Nov 15MST | 4:53 PM | 5:21 PM | 5:53 PM |
| Dec 1MST | 4:46 PM | 5:14 PM | 5:46 PM |
| Dec 15MST | 4:47 PM | 5:16 PM | 5:47 PM |
| Jan 1MST | 4:56 PM | 5:25 PM | 5:56 PM |
| Jan 15MST | 5:09 PM | 5:38 PM | 6:09 PM |
| Feb 1MST | 5:28 PM | 5:55 PM | 6:28 PM |
| Feb 15MST | 5:43 PM | 6:10 PM | 6:43 PM |
| Mar 1MST | 5:57 PM | 6:23 PM | 6:57 PM |
| Mar 15MDT | 7:11 PM | 7:37 PM | 8:11 PM |
| Apr 1MDT | 7:26 PM | 7:52 PM | 8:26 PM |
| Apr 15MDT | 7:39 PM | 8:06 PM | 8:39 PM |
| May 1MDT | 7:53 PM | 8:21 PM | 8:53 PM |
| May 15MDT | 8:06 PM | 8:35 PM | 9:06 PM |
| Jun 1MDT | 8:19 PM | 8:49 PM | 9:19 PM |
| Jun 15MDT | 8:26 PM | 8:57 PM | 9:26 PM |
| Jul 1MDT | 8:28 PM | 8:59 PM | 9:28 PM |
| Jul 15MDT | 8:24 PM | 8:54 PM | 9:24 PM |
| Aug 1MDT | 8:11 PM | 8:40 PM | 9:11 PM |
| Aug 15MDT | 7:56 PM | 8:24 PM | 8:56 PM |
| Sep 1MDT | 7:32 PM | 7:59 PM | 8:32 PM |
| Sep 15MDT | 7:11 PM | 7:37 PM | 8:11 PM |
| Oct 1MDT | 6:47 PM | 7:13 PM | 7:47 PM |
| Oct 15MDT | 6:26 PM | 6:53 PM | 7:26 PM |
Mornings at KALS
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:28 AM | 6:01 AM | 6:28 AM |
| Nov 15MST | 5:43 AM | 6:15 AM | 6:43 AM |
| Dec 1MST | 5:59 AM | 6:31 AM | 6:59 AM |
| Dec 15MST | 6:11 AM | 6:42 AM | 7:11 AM |
| Jan 1MST | 6:18 AM | 6:49 AM | 7:18 AM |
| Jan 15MST | 6:17 AM | 6:48 AM | 7:17 AM |
| Feb 1MST | 6:07 AM | 6:39 AM | 7:07 AM |
| Feb 15MST | 5:53 AM | 6:26 AM | 6:53 AM |
| Mar 1MST | 5:35 AM | 6:09 AM | 6:35 AM |
| Mar 15MDT | 6:15 AM | 6:49 AM | 7:15 AM |
| Apr 1MDT | 5:49 AM | 6:23 AM | 6:49 AM |
| Apr 15MDT | 5:29 AM | 6:02 AM | 6:29 AM |
| May 1MDT | 5:08 AM | 5:40 AM | 6:08 AM |
| May 15MDT | 4:55 AM | 5:25 AM | 5:55 AM |
| Jun 1MDT | 4:44 AM | 5:14 AM | 5:44 AM |
| Jun 15MDT | 4:42 AM | 5:11 AM | 5:42 AM |
| Jul 1MDT | 4:46 AM | 5:15 AM | 5:46 AM |
| Jul 15MDT | 4:54 AM | 5:24 AM | 5:54 AM |
| Aug 1MDT | 5:08 AM | 5:39 AM | 6:08 AM |
| Aug 15MDT | 5:20 AM | 5:52 AM | 6:20 AM |
| Sep 1MDT | 5:34 AM | 6:07 AM | 6:34 AM |
| Sep 15MDT | 5:45 AM | 6:19 AM | 6:45 AM |
| Oct 1MDT | 5:59 AM | 6:33 AM | 6:59 AM |
| Oct 15MDT | 6:11 AM | 6:45 AM | 7:11 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
CONDS UNMON AT NGT AFT LAST ACR ARR TIL 0600; SEE NOTAMS FOR CONDS.
ACTVT MALSR RWY 02; REIL RWY 20; VASI RWY 20; HIRL RWY 02/20 - CTAF 122.8
Runway 02/20
8,521 × 100 ft · Asphalt
Frequencies
Night at KALS, in short
When can I log night time at KALS?
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 5:27 PM to 6:07 AM MST.
When do landings at KALS 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 6:00 PM to 5:35 AM MST.
When are position lights required at KALS?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:00 PM to 6:35 AM MST.
Nearby airports
- KMVI Monte Vista Municipal Monte Vista, CO · 10 nm
- 05V Blanca Blanca, CO · 15 nm
- 1V8 Leach Center, CO · 23 nm
- KRCV Astronaut Kent Rominger Del Norte, CO · 28 nm
- N24 Questa Municipal Nr 2 Questa, NM · 40 nm
- 07V Cuchara Valley At La Veta La Veta, CO · 41 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.