8U1 Sand Springs Strip night times
Sand Springs, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:46 PMto7:02 AM
Sunset to sunrise. Lights on.
2346Z to 1402Z
Night logging
§ 1.15:18 PMto6:30 AM
Civil twilight. Log it as night.
0018Z to 1330Z
Night currency
§ 61.57(b)5:46 PMto6:02 AM
One hour after sunset. Landings count.
0046Z to 1302Z
Evenings at 8U1
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:53 PM | 5:25 PM | 5:53 PM |
| Nov 15MST | 4:35 PM | 5:08 PM | 5:35 PM |
| Dec 1MST | 4:22 PM | 4:57 PM | 5:22 PM |
| Dec 15MST | 4:21 PM | 4:56 PM | 5:21 PM |
| Jan 1MST | 4:31 PM | 5:06 PM | 5:31 PM |
| Jan 15MST | 4:48 PM | 5:22 PM | 5:48 PM |
| Feb 1MST | 5:12 PM | 5:45 PM | 6:12 PM |
| Feb 15MST | 5:34 PM | 6:06 PM | 6:34 PM |
| Mar 1MST | 5:55 PM | 6:26 PM | 6:55 PM |
| Mar 15MDT | 7:16 PM | 7:46 PM | 8:16 PM |
| Apr 1MDT | 7:39 PM | 8:10 PM | 8:39 PM |
| Apr 15MDT | 7:59 PM | 8:31 PM | 8:59 PM |
| May 1MDT | 8:21 PM | 8:55 PM | 9:21 PM |
| May 15MDT | 8:39 PM | 9:15 PM | 9:39 PM |
| Jun 1MDT | 8:58 PM | 9:37 PM | 9:58 PM |
| Jun 15MDT | 9:07 PM | 9:47 PM | 10:07 PM |
| Jul 1MDT | 9:09 PM | 9:49 PM | 10:09 PM |
| Jul 15MDT | 9:02 PM | 9:40 PM | 10:02 PM |
| Aug 1MDT | 8:43 PM | 9:18 PM | 9:43 PM |
| Aug 15MDT | 8:21 PM | 8:55 PM | 9:21 PM |
| Sep 1MDT | 7:50 PM | 8:21 PM | 8:50 PM |
| Sep 15MDT | 7:22 PM | 7:53 PM | 8:22 PM |
| Oct 1MDT | 6:50 PM | 7:20 PM | 7:50 PM |
| Oct 15MDT | 6:23 PM | 6:53 PM | 7:23 PM |
Mornings at 8U1
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:53 AM | 6:21 AM | 6:53 AM |
| Nov 15MST | 6:14 AM | 6:41 AM | 7:14 AM |
| Dec 1MST | 6:36 AM | 7:01 AM | 7:36 AM |
| Dec 15MST | 6:50 AM | 7:14 AM | 7:50 AM |
| Jan 1MST | 6:56 AM | 7:21 AM | 7:56 AM |
| Jan 15MST | 6:52 AM | 7:17 AM | 7:52 AM |
| Feb 1MST | 6:35 AM | 7:03 AM | 7:35 AM |
| Feb 15MST | 6:15 AM | 6:43 AM | 7:15 AM |
| Mar 1MST | 5:50 AM | 6:20 AM | 6:50 AM |
| Mar 15MDT | 6:23 AM | 6:53 AM | 7:23 AM |
| Apr 1MDT | 5:49 AM | 6:18 AM | 6:49 AM |
| Apr 15MDT | 5:22 AM | 5:50 AM | 6:22 AM |
| May 1MDT | 4:54 AM | 5:20 AM | 5:54 AM |
| May 15MDT | 4:34 AM | 4:58 AM | 5:34 AM |
| Jun 1MDT | 4:19 AM | 4:40 AM | 5:19 AM |
| Jun 15MDT | 4:14 AM | 4:34 AM | 5:14 AM |
| Jul 1MDT | 4:19 AM | 4:39 AM | 5:19 AM |
| Jul 15MDT | 4:30 AM | 4:52 AM | 5:30 AM |
| Aug 1MDT | 4:49 AM | 5:13 AM | 5:49 AM |
| Aug 15MDT | 5:07 AM | 5:33 AM | 6:07 AM |
| Sep 1MDT | 5:29 AM | 5:58 AM | 6:29 AM |
| Sep 15MDT | 5:48 AM | 6:17 AM | 6:48 AM |
| Oct 1MDT | 6:09 AM | 6:38 AM | 7:09 AM |
| Oct 15MDT | 6:28 AM | 6:57 AM | 7:28 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 10/28
2,400 × 60 ft · Turf
Frequencies
Night at 8U1, in short
When can I log night time at 8U1?
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 5:18 PM to 6:30 AM MST.
When do landings at 8U1 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 5:46 PM to 6:02 AM MST.
When are position lights required at 8U1?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:46 PM to 7:02 AM MST.
Nearby airports
- KJDN Jordan Jordan, MT · 26 nm
- 7S2 Winnett Winnett, MT · 36 nm
- 6U7 Hysham Hysham, MT · 50 nm
- KRPX Roundup Roundup, MT · 57 nm
- 1S3 Tillitt Field Forsyth, MT · 62 nm
- MT3 Knox Ridge Winifred, MT · 63 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.