S00 Opheim night times
Opheim, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:37 PMto7:02 AM
Sunset to sunrise. Lights on.
2337Z to 1402Z
Night logging
§ 1.15:11 PMto6:29 AM
Civil twilight. Log it as night.
0011Z to 1329Z
Night currency
§ 61.57(b)5:37 PMto6:02 AM
One hour after sunset. Landings count.
0037Z to 1302Z
Evenings at S00
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:45 PM | 5:18 PM | 5:45 PM |
| Nov 15MST | 4:25 PM | 5:00 PM | 5:25 PM |
| Dec 1MST | 4:11 PM | 4:48 PM | 5:11 PM |
| Dec 15MST | 4:09 PM | 4:46 PM | 5:09 PM |
| Jan 1MST | 4:20 PM | 4:57 PM | 5:20 PM |
| Jan 15MST | 4:37 PM | 5:13 PM | 5:37 PM |
| Feb 1MST | 5:03 PM | 5:37 PM | 6:03 PM |
| Feb 15MST | 5:26 PM | 5:59 PM | 6:26 PM |
| Mar 1MST | 5:49 PM | 6:21 PM | 6:49 PM |
| Mar 15MDT | 7:11 PM | 7:42 PM | 8:11 PM |
| Apr 1MDT | 7:37 PM | 8:09 PM | 8:37 PM |
| Apr 15MDT | 7:57 PM | 8:31 PM | 8:57 PM |
| May 1MDT | 8:21 PM | 8:57 PM | 9:21 PM |
| May 15MDT | 8:41 PM | 9:19 PM | 9:41 PM |
| Jun 1MDT | 9:01 PM | 9:42 PM | 10:01 PM |
| Jun 15MDT | 9:11 PM | 9:54 PM | 10:11 PM |
| Jul 1MDT | 9:13 PM | 9:55 PM | 10:13 PM |
| Jul 15MDT | 9:05 PM | 9:45 PM | 10:05 PM |
| Aug 1MDT | 8:44 PM | 9:21 PM | 9:44 PM |
| Aug 15MDT | 8:21 PM | 8:56 PM | 9:21 PM |
| Sep 1MDT | 7:48 PM | 8:21 PM | 8:48 PM |
| Sep 15MDT | 7:19 PM | 7:50 PM | 8:19 PM |
| Oct 1MDT | 6:45 PM | 7:16 PM | 7:45 PM |
| Oct 15MDT | 6:16 PM | 6:48 PM | 7:16 PM |
Mornings at S00
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 | 6:20 AM | 6:53 AM |
| Nov 15MST | 6:15 AM | 6:40 AM | 7:15 AM |
| Dec 1MST | 6:38 AM | 7:02 AM | 7:38 AM |
| Dec 15MST | 6:53 AM | 7:15 AM | 7:53 AM |
| Jan 1MST | 6:59 AM | 7:22 AM | 7:59 AM |
| Jan 15MST | 6:54 AM | 7:18 AM | 7:54 AM |
| Feb 1MST | 6:36 AM | 7:02 AM | 7:36 AM |
| Feb 15MST | 6:14 AM | 6:41 AM | 7:14 AM |
| Mar 1MST | 5:48 AM | 6:16 AM | 6:48 AM |
| Mar 15MDT | 6:19 AM | 6:48 AM | 7:19 AM |
| Apr 1MDT | 5:43 AM | 6:12 AM | 6:43 AM |
| Apr 15MDT | 5:15 AM | 5:42 AM | 6:15 AM |
| May 1MDT | 4:45 AM | 5:10 AM | 5:45 AM |
| May 15MDT | 4:24 AM | 4:46 AM | 5:24 AM |
| Jun 1MDT | 4:07 AM | 4:26 AM | 5:07 AM |
| Jun 15MDT | 4:02 AM | 4:19 AM | 5:02 AM |
| Jul 1MDT | 4:06 AM | 4:24 AM | 5:06 AM |
| Jul 15MDT | 4:18 AM | 4:38 AM | 5:18 AM |
| Aug 1MDT | 4:39 AM | 5:02 AM | 5:39 AM |
| Aug 15MDT | 4:58 AM | 5:23 AM | 5:58 AM |
| Sep 1MDT | 5:22 AM | 5:50 AM | 6:22 AM |
| Sep 15MDT | 5:42 AM | 6:10 AM | 6:42 AM |
| Oct 1MDT | 6:05 AM | 6:34 AM | 7:05 AM |
| Oct 15MDT | 6:26 AM | 6:54 AM | 7:26 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 04/22
1,555 × 100 ft · Turf
Runway 10/28
1,200 × 100 ft · Turf
Runway 16/34
2,675 × 150 ft · Turf
Frequencies
Night at S00, in short
When can I log night time at S00?
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 5:11 PM to 6:29 AM MST.
When do landings at S00 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 5:37 PM to 6:02 AM MST.
When are position lights required at S00?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:37 PM to 7:02 AM MST.
Nearby airports
- 9S2 Scobey Scobey, MT · 39 nm
- 6U5 Hinsdale Hinsdale, MT · 39 nm
- KGGW Wokal Field/Glasgow-Valley County Glasgow, MT · 40 nm
- 8U3 Scobey Border Station/East Poplar International Scobey, MT · 41 nm
- 37S Fort Peck Fort Peck, MT · 52 nm
- KOLF L M Clayton Wolf Point, MT · 57 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.