S27 Kalispell City night times
Kalispell, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:10 PMto7:32 AM
Sunset to sunrise. Lights on.
0010Z to 1432Z
Night logging
§ 1.15:44 PMto6:59 AM
Civil twilight. Log it as night.
0044Z to 1359Z
Night currency
§ 61.57(b)6:10 PMto6:32 AM
One hour after sunset. Landings count.
0110Z to 1332Z
Evenings at S27
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:18 PM | 5:51 PM | 6:18 PM |
| Nov 15MST | 4:59 PM | 5:33 PM | 5:59 PM |
| Dec 1MST | 4:46 PM | 5:21 PM | 5:46 PM |
| Dec 15MST | 4:44 PM | 5:20 PM | 5:44 PM |
| Jan 1MST | 4:54 PM | 5:30 PM | 5:54 PM |
| Jan 15MST | 5:11 PM | 5:46 PM | 6:11 PM |
| Feb 1MST | 5:37 PM | 6:10 PM | 6:37 PM |
| Feb 15MST | 5:59 PM | 6:31 PM | 6:59 PM |
| Mar 1MST | 6:21 PM | 6:53 PM | 7:21 PM |
| Mar 15MDT | 7:43 PM | 8:14 PM | 8:43 PM |
| Apr 1MDT | 8:07 PM | 8:39 PM | 9:07 PM |
| Apr 15MDT | 8:28 PM | 9:01 PM | 9:28 PM |
| May 1MDT | 8:51 PM | 9:26 PM | 9:51 PM |
| May 15MDT | 9:10 PM | 9:47 PM | 10:10 PM |
| Jun 1MDT | 9:29 PM | 10:10 PM | 10:29 PM |
| Jun 15MDT | 9:39 PM | 10:21 PM | 10:39 PM |
| Jul 1MDT | 9:41 PM | 10:22 PM | 10:41 PM |
| Jul 15MDT | 9:33 PM | 10:13 PM | 10:33 PM |
| Aug 1MDT | 9:13 PM | 9:50 PM | 10:13 PM |
| Aug 15MDT | 8:51 PM | 9:25 PM | 9:51 PM |
| Sep 1MDT | 8:19 PM | 8:51 PM | 9:19 PM |
| Sep 15MDT | 7:50 PM | 8:21 PM | 8:50 PM |
| Oct 1MDT | 7:16 PM | 7:47 PM | 8:16 PM |
| Oct 15MDT | 6:48 PM | 7:20 PM | 7:48 PM |
Mornings at S27
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 6:23 AM | 6:50 AM | 7:23 AM |
| Nov 15MST | 6:44 AM | 7:10 AM | 7:44 AM |
| Dec 1MST | 7:07 AM | 7:31 AM | 8:07 AM |
| Dec 15MST | 7:21 AM | 7:45 AM | 8:21 AM |
| Jan 1MST | 7:28 AM | 7:51 AM | 8:28 AM |
| Jan 15MST | 7:23 AM | 7:48 AM | 8:23 AM |
| Feb 1MST | 7:05 AM | 7:32 AM | 8:05 AM |
| Feb 15MST | 6:44 AM | 7:12 AM | 7:44 AM |
| Mar 1MST | 6:18 AM | 6:47 AM | 7:18 AM |
| Mar 15MDT | 6:51 AM | 7:20 AM | 7:51 AM |
| Apr 1MDT | 6:16 AM | 6:44 AM | 7:16 AM |
| Apr 15MDT | 5:48 AM | 6:15 AM | 6:48 AM |
| May 1MDT | 5:19 AM | 5:44 AM | 6:19 AM |
| May 15MDT | 4:58 AM | 5:21 AM | 5:58 AM |
| Jun 1MDT | 4:41 AM | 5:01 AM | 5:41 AM |
| Jun 15MDT | 4:36 AM | 4:55 AM | 5:36 AM |
| Jul 1MDT | 4:41 AM | 5:00 AM | 5:41 AM |
| Jul 15MDT | 4:53 AM | 5:13 AM | 5:53 AM |
| Aug 1MDT | 5:13 AM | 5:36 AM | 6:13 AM |
| Aug 15MDT | 5:32 AM | 5:57 AM | 6:32 AM |
| Sep 1MDT | 5:55 AM | 6:23 AM | 6:55 AM |
| Sep 15MDT | 6:14 AM | 6:43 AM | 7:14 AM |
| Oct 1MDT | 6:36 AM | 7:05 AM | 7:36 AM |
| Oct 15MDT | 6:57 AM | 7:25 AM | 7:57 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT LIRL RWY 13/31 - CTAF
Runway 13/31
3,600 × 60 ft · Asphalt
Frequencies
Night at S27, in short
When can I log night time at S27?
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 5:44 PM to 6:59 AM MST.
When do landings at S27 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 6:10 PM to 6:32 AM MST.
When are position lights required at S27?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:10 PM to 7:32 AM MST.
Nearby airports
- KGPI Glacier Park International Kalispell, MT · 8 nm
- 58S Whitefish Whitefish, MT · 14 nm
- 53U Ferndale Airfield Bigfork, MT · 14 nm
- 8S1 Polson Polson, MT · 29 nm
- 8U4 Spotted Bear /USFS/ Spotted Bear, MT · 33 nm
- S09 Hot Springs Hot Springs, MT · 36 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.