7S8 Ross International night times
Sweetgrass, MT
Night of Nov 6 to Nov 7MDT
Position lights
§ 91.2095:59 PMto8:25 AM
Sunset to sunrise. Lights on.
2359Z to 1425Z
Night logging
§ 1.16:33 PMto7:51 AM
Civil twilight. Log it as night.
0033Z to 1351Z
Night currency
§ 61.57(b)6:59 PMto7:25 AM
One hour after sunset. Landings count.
0059Z to 1325Z
Evenings at 7S8
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MDT | 6:07 PM | 6:40 PM | 7:07 PM |
| Nov 15MDT | 5:47 PM | 6:22 PM | 6:47 PM |
| Dec 1MDT | 5:33 PM | 6:09 PM | 6:33 PM |
| Dec 15MDT | 5:31 PM | 6:08 PM | 6:31 PM |
| Jan 1MDT | 5:41 PM | 6:18 PM | 6:41 PM |
| Jan 15MDT | 5:58 PM | 6:34 PM | 6:58 PM |
| Feb 1MDT | 6:25 PM | 6:59 PM | 7:25 PM |
| Feb 15MDT | 6:48 PM | 7:21 PM | 7:48 PM |
| Mar 1MDT | 7:11 PM | 7:43 PM | 8:11 PM |
| Mar 15MDT | 7:33 PM | 8:05 PM | 8:33 PM |
| Apr 1MDT | 7:59 PM | 8:31 PM | 8:59 PM |
| Apr 15MDT | 8:20 PM | 8:53 PM | 9:20 PM |
| May 1MDT | 8:44 PM | 9:20 PM | 9:44 PM |
| May 15MDT | 9:04 PM | 9:42 PM | 10:04 PM |
| Jun 1MDT | 9:24 PM | 10:05 PM | 10:24 PM |
| Jun 15MDT | 9:34 PM | 10:17 PM | 10:34 PM |
| Jul 1MDT | 9:36 PM | 10:18 PM | 10:36 PM |
| Jul 15MDT | 9:27 PM | 10:08 PM | 10:27 PM |
| Aug 1MDT | 9:07 PM | 9:44 PM | 10:07 PM |
| Aug 15MDT | 8:44 PM | 9:19 PM | 9:44 PM |
| Sep 1MDT | 8:10 PM | 8:43 PM | 9:10 PM |
| Sep 15MDT | 7:41 PM | 8:13 PM | 8:41 PM |
| Oct 1MDT | 7:07 PM | 7:38 PM | 8:07 PM |
| Oct 15MDT | 6:38 PM | 7:10 PM | 7:38 PM |
Mornings at 7S8
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MDT | 7:16 AM | 7:42 AM | 8:16 AM |
| Nov 15MDT | 7:38 AM | 8:03 AM | 8:38 AM |
| Dec 1MDT | 8:01 AM | 8:24 AM | 9:01 AM |
| Dec 15MDT | 8:16 AM | 8:38 AM | 9:16 AM |
| Jan 1MDT | 8:22 AM | 8:45 AM | 9:22 AM |
| Jan 15MDT | 8:17 AM | 8:41 AM | 9:17 AM |
| Feb 1MDT | 7:58 AM | 8:24 AM | 8:58 AM |
| Feb 15MDT | 7:36 AM | 8:04 AM | 8:36 AM |
| Mar 1MDT | 7:10 AM | 7:38 AM | 8:10 AM |
| Mar 15MDT | 6:41 AM | 7:10 AM | 7:41 AM |
| Apr 1MDT | 6:06 AM | 6:34 AM | 7:06 AM |
| Apr 15MDT | 5:37 AM | 6:04 AM | 6:37 AM |
| May 1MDT | 5:07 AM | 5:32 AM | 6:07 AM |
| May 15MDT | 4:46 AM | 5:08 AM | 5:46 AM |
| Jun 1MDT | 4:28 AM | 4:47 AM | 5:28 AM |
| Jun 15MDT | 4:23 AM | 4:40 AM | 5:23 AM |
| Jul 1MDT | 4:28 AM | 4:45 AM | 5:28 AM |
| Jul 15MDT | 4:40 AM | 4:59 AM | 5:40 AM |
| Aug 1MDT | 5:01 AM | 5:23 AM | 6:01 AM |
| Aug 15MDT | 5:20 AM | 5:45 AM | 6:20 AM |
| Sep 1MDT | 5:44 AM | 6:11 AM | 6:44 AM |
| Sep 15MDT | 6:04 AM | 6:32 AM | 7:04 AM |
| Oct 1MDT | 6:27 AM | 6:56 AM | 7:27 AM |
| Oct 15MDT | 6:48 AM | 7:16 AM | 7:48 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 07/25
2,900 × 80 ft · Turf
Frequencies
Night at 7S8, in short
When can I log night time at 7S8?
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 6:33 PM to 7:51 AM MDT.
When do landings at 7S8 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 6:59 PM to 7:25 AM MDT.
When are position lights required at 7S8?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:59 PM to 8:25 AM MDT.
Nearby airports
- KSBX Shelby Shelby, MT · 28 nm
- KCTB Cut Bank International Cut Bank, MT · 28 nm
- H28 Whetstone International Port Of Del Bonita, MT · 32 nm
- 7S7 Valier Valier, MT · 43 nm
- KLTY Liberty County Chester, MT · 49 nm
- S01 Conrad Conrad, MT · 50 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.