6S1 Bridger Municipal night times
Bridger, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:56 PMto7:03 AM
Sunset to sunrise. Lights on.
2356Z to 1403Z
Night logging
§ 1.15:27 PMto6:32 AM
Civil twilight. Log it as night.
0027Z to 1332Z
Night currency
§ 61.57(b)5:56 PMto6:03 AM
One hour after sunset. Landings count.
0056Z to 1303Z
Evenings at 6S1
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:03 PM | 5:34 PM | 6:03 PM |
| Nov 15MST | 4:46 PM | 5:18 PM | 5:46 PM |
| Dec 1MST | 4:35 PM | 5:08 PM | 5:35 PM |
| Dec 15MST | 4:34 PM | 5:08 PM | 5:34 PM |
| Jan 1MST | 4:44 PM | 5:18 PM | 5:44 PM |
| Jan 15MST | 4:59 PM | 5:32 PM | 5:59 PM |
| Feb 1MST | 5:23 PM | 5:54 PM | 6:23 PM |
| Feb 15MST | 5:43 PM | 6:13 PM | 6:43 PM |
| Mar 1MST | 6:03 PM | 6:32 PM | 7:03 PM |
| Mar 15MDT | 7:22 PM | 7:51 PM | 8:22 PM |
| Apr 1MDT | 7:44 PM | 8:14 PM | 8:44 PM |
| Apr 15MDT | 8:02 PM | 8:32 PM | 9:02 PM |
| May 1MDT | 8:22 PM | 8:55 PM | 9:22 PM |
| May 15MDT | 8:39 PM | 9:14 PM | 9:39 PM |
| Jun 1MDT | 8:56 PM | 9:33 PM | 9:56 PM |
| Jun 15MDT | 9:05 PM | 9:43 PM | 10:05 PM |
| Jul 1MDT | 9:07 PM | 9:45 PM | 10:07 PM |
| Jul 15MDT | 9:01 PM | 9:37 PM | 10:01 PM |
| Aug 1MDT | 8:43 PM | 9:17 PM | 9:43 PM |
| Aug 15MDT | 8:23 PM | 8:55 PM | 9:23 PM |
| Sep 1MDT | 7:53 PM | 8:24 PM | 8:53 PM |
| Sep 15MDT | 7:27 PM | 7:56 PM | 8:27 PM |
| Oct 1MDT | 6:56 PM | 7:26 PM | 7:56 PM |
| Oct 15MDT | 6:31 PM | 7:00 PM | 7:31 PM |
Mornings at 6S1
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:55 AM | 6:24 AM | 6:55 AM |
| Nov 15MST | 6:14 AM | 6:42 AM | 7:14 AM |
| Dec 1MST | 6:35 AM | 7:02 AM | 7:35 AM |
| Dec 15MST | 6:48 AM | 7:14 AM | 7:48 AM |
| Jan 1MST | 6:55 AM | 7:21 AM | 7:55 AM |
| Jan 15MST | 6:51 AM | 7:18 AM | 7:51 AM |
| Feb 1MST | 6:36 AM | 7:05 AM | 7:36 AM |
| Feb 15MST | 6:17 AM | 6:47 AM | 7:17 AM |
| Mar 1MST | 5:54 AM | 6:24 AM | 6:54 AM |
| Mar 15MDT | 6:28 AM | 6:59 AM | 7:28 AM |
| Apr 1MDT | 5:56 AM | 6:27 AM | 6:56 AM |
| Apr 15MDT | 5:31 AM | 6:00 AM | 6:31 AM |
| May 1MDT | 5:04 AM | 5:32 AM | 6:04 AM |
| May 15MDT | 4:46 AM | 5:11 AM | 5:46 AM |
| Jun 1MDT | 4:31 AM | 4:55 AM | 5:31 AM |
| Jun 15MDT | 4:27 AM | 4:50 AM | 5:27 AM |
| Jul 1MDT | 4:32 AM | 4:54 AM | 5:32 AM |
| Jul 15MDT | 4:42 AM | 5:06 AM | 5:42 AM |
| Aug 1MDT | 5:00 AM | 5:26 AM | 6:00 AM |
| Aug 15MDT | 5:17 AM | 5:45 AM | 6:17 AM |
| Sep 1MDT | 5:37 AM | 6:07 AM | 6:37 AM |
| Sep 15MDT | 5:54 AM | 6:24 AM | 6:54 AM |
| Oct 1MDT | 6:14 AM | 6:44 AM | 7:14 AM |
| Oct 15MDT | 6:32 AM | 7:02 AM | 7:32 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT LIRL RY 16/34, PAPI RY 34 - CTAF.
Runway 16/34
3,400 × 42 ft · Asphalt
LIRL NSTD. WEST SIDE 57 FT FROM PAVEMENT EDGE; EAST SIDE 47 FT FROM PAVEMENT EDGE. EACH THR HAS 4 LGTS TOTAL.
Frequencies
Night at 6S1, in short
When can I log night time at 6S1?
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 6:32 AM MST.
When do landings at 6S1 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 5:56 PM to 6:03 AM MST.
When are position lights required at 6S1?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:56 PM to 7:03 AM MST.
Nearby airports
- KRED Red Lodge Red Lodge, MT · 15 nm
- 6S3 Woltermann Memorial Columbus, MT · 24 nm
- 6S8 Laurel Municipal Laurel, MT · 26 nm
- KPOY Powell Municipal Powell, WY · 26 nm
- U68 North Big Horn County Cowley/Lovell/Byron, WY · 31 nm
- KBIL Billings Logan International Billings, MT · 35 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.