KHLN Helena Regional night times
Helena, MT · FAA HLN
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:05 PMto7:19 AM
Sunset to sunrise. Lights on.
0005Z to 1419Z
Night logging
§ 1.15:37 PMto6:47 AM
Civil twilight. Log it as night.
0037Z to 1347Z
Night currency
§ 61.57(b)6:05 PMto6:19 AM
One hour after sunset. Landings count.
0105Z to 1319Z
Evenings at KHLN
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:12 PM | 5:44 PM | 6:12 PM |
| Nov 15MST | 4:54 PM | 5:27 PM | 5:54 PM |
| Dec 1MST | 4:42 PM | 5:16 PM | 5:42 PM |
| Dec 15MST | 4:41 PM | 5:16 PM | 5:41 PM |
| Jan 1MST | 4:51 PM | 5:26 PM | 5:51 PM |
| Jan 15MST | 5:07 PM | 5:41 PM | 6:07 PM |
| Feb 1MST | 5:32 PM | 6:04 PM | 6:32 PM |
| Feb 15MST | 5:53 PM | 6:24 PM | 6:53 PM |
| Mar 1MST | 6:14 PM | 6:44 PM | 7:14 PM |
| Mar 15MDT | 7:34 PM | 8:04 PM | 8:34 PM |
| Apr 1MDT | 7:57 PM | 8:28 PM | 8:57 PM |
| Apr 15MDT | 8:16 PM | 8:48 PM | 9:16 PM |
| May 1MDT | 8:37 PM | 9:11 PM | 9:37 PM |
| May 15MDT | 8:55 PM | 9:31 PM | 9:55 PM |
| Jun 1MDT | 9:14 PM | 9:52 PM | 10:14 PM |
| Jun 15MDT | 9:23 PM | 10:02 PM | 10:23 PM |
| Jul 1MDT | 9:25 PM | 10:04 PM | 10:25 PM |
| Jul 15MDT | 9:18 PM | 9:55 PM | 10:18 PM |
| Aug 1MDT | 8:59 PM | 9:34 PM | 9:59 PM |
| Aug 15MDT | 8:38 PM | 9:11 PM | 9:38 PM |
| Sep 1MDT | 8:07 PM | 8:38 PM | 9:07 PM |
| Sep 15MDT | 7:40 PM | 8:10 PM | 8:40 PM |
| Oct 1MDT | 7:08 PM | 7:38 PM | 8:08 PM |
| Oct 15MDT | 6:41 PM | 7:12 PM | 7:41 PM |
Mornings at KHLN
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 6:10 AM | 6:38 AM | 7:10 AM |
| Nov 15MST | 6:30 AM | 6:58 AM | 7:30 AM |
| Dec 1MST | 6:52 AM | 7:17 AM | 7:52 AM |
| Dec 15MST | 7:06 AM | 7:30 AM | 8:06 AM |
| Jan 1MST | 7:12 AM | 7:37 AM | 8:12 AM |
| Jan 15MST | 7:08 AM | 7:34 AM | 8:08 AM |
| Feb 1MST | 6:52 AM | 7:20 AM | 7:52 AM |
| Feb 15MST | 6:32 AM | 7:01 AM | 7:32 AM |
| Mar 1MST | 6:08 AM | 6:37 AM | 7:08 AM |
| Mar 15MDT | 6:41 AM | 7:11 AM | 7:41 AM |
| Apr 1MDT | 6:08 AM | 6:37 AM | 7:08 AM |
| Apr 15MDT | 5:41 AM | 6:09 AM | 6:41 AM |
| May 1MDT | 5:14 AM | 5:40 AM | 6:14 AM |
| May 15MDT | 4:54 AM | 5:18 AM | 5:54 AM |
| Jun 1MDT | 4:38 AM | 5:00 AM | 5:38 AM |
| Jun 15MDT | 4:34 AM | 4:55 AM | 5:34 AM |
| Jul 1MDT | 4:39 AM | 5:00 AM | 5:39 AM |
| Jul 15MDT | 4:50 AM | 5:12 AM | 5:50 AM |
| Aug 1MDT | 5:09 AM | 5:33 AM | 6:09 AM |
| Aug 15MDT | 5:26 AM | 5:53 AM | 6:26 AM |
| Sep 1MDT | 5:48 AM | 6:16 AM | 6:48 AM |
| Sep 15MDT | 6:06 AM | 6:35 AM | 7:06 AM |
| Oct 1MDT | 6:27 AM | 6:56 AM | 7:27 AM |
| Oct 15MDT | 6:45 AM | 7:15 AM | 7:45 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 27; REIL RWY 09, 17 & 35; PAPI RWY 09 & 27; HIRL RWY 09/27; MIRL RWY 05/23 & 17/35 - CTAF.
Runway 05/23
4,644 × 75 ft · Asphalt
Runway 09/27
9,000 × 150 ft · Asphalt
Runway 10/28
1,584 × 75 ft · Turf
Runway 17/35
2,989 × 75 ft · Asphalt
Frequencies
Night at KHLN, in short
When can I log night time at KHLN?
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 5:37 PM to 6:47 AM MST.
When do landings at KHLN 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 6:05 PM to 6:19 AM MST.
When are position lights required at KHLN?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:05 PM to 7:19 AM MST.
Nearby airports
- 8U9 Canyon Ferry Townsend, MT · 20 nm
- 3U9 Boulder Boulder, MT · 24 nm
- 8U8 Townsend Townsend, MT · 27 nm
- S69 Lincoln Lincoln, MT · 34 nm
- 38S Deer Lodge-City-County Deer Lodge, MT · 35 nm
- KBTM Bert Mooney Butte, MT · 45 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.