PO1 Poplar Municipal night times
Poplar, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2094:34 PMto6:55 AM
Sunset to sunrise. Lights on.
2334Z to 1355Z
Night logging
§ 1.15:07 PMto6:22 AM
Civil twilight. Log it as night.
0007Z to 1322Z
Night currency
§ 61.57(b)5:34 PMto5:55 AM
One hour after sunset. Landings count.
0034Z to 1255Z
Evenings at PO1
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 4:42 PM | 5:14 PM | 5:42 PM |
| Nov 15MST | 4:22 PM | 4:56 PM | 5:22 PM |
| Dec 1MST | 4:09 PM | 4:45 PM | 5:09 PM |
| Dec 15MST | 4:07 PM | 4:44 PM | 5:07 PM |
| Jan 1MST | 4:18 PM | 4:54 PM | 5:18 PM |
| Jan 15MST | 4:34 PM | 5:10 PM | 5:34 PM |
| Feb 1MST | 5:00 PM | 5:34 PM | 6:00 PM |
| Feb 15MST | 5:23 PM | 5:55 PM | 6:23 PM |
| Mar 1MST | 5:45 PM | 6:16 PM | 6:45 PM |
| Mar 15MDT | 7:06 PM | 7:37 PM | 8:06 PM |
| Apr 1MDT | 7:31 PM | 8:02 PM | 8:31 PM |
| Apr 15MDT | 7:51 PM | 8:24 PM | 8:51 PM |
| May 1MDT | 8:14 PM | 8:49 PM | 9:14 PM |
| May 15MDT | 8:33 PM | 9:11 PM | 9:33 PM |
| Jun 1MDT | 8:53 PM | 9:33 PM | 9:53 PM |
| Jun 15MDT | 9:03 PM | 9:44 PM | 10:03 PM |
| Jul 1MDT | 9:04 PM | 9:45 PM | 10:04 PM |
| Jul 15MDT | 8:56 PM | 9:36 PM | 9:56 PM |
| Aug 1MDT | 8:37 PM | 9:13 PM | 9:37 PM |
| Aug 15MDT | 8:14 PM | 8:48 PM | 9:14 PM |
| Sep 1MDT | 7:42 PM | 8:14 PM | 8:42 PM |
| Sep 15MDT | 7:13 PM | 7:44 PM | 8:13 PM |
| Oct 1MDT | 6:40 PM | 7:11 PM | 7:40 PM |
| Oct 15MDT | 6:12 PM | 6:43 PM | 7:12 PM |
Mornings at PO1
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:46 AM | 6:14 AM | 6:46 AM |
| Nov 15MST | 6:08 AM | 6:34 AM | 7:08 AM |
| Dec 1MST | 6:30 AM | 6:54 AM | 7:30 AM |
| Dec 15MST | 6:44 AM | 7:08 AM | 7:44 AM |
| Jan 1MST | 6:51 AM | 7:15 AM | 7:51 AM |
| Jan 15MST | 6:46 AM | 7:11 AM | 7:46 AM |
| Feb 1MST | 6:29 AM | 6:55 AM | 7:29 AM |
| Feb 15MST | 6:07 AM | 6:35 AM | 7:07 AM |
| Mar 1MST | 5:42 AM | 6:11 AM | 6:42 AM |
| Mar 15MDT | 6:14 AM | 6:43 AM | 7:14 AM |
| Apr 1MDT | 5:39 AM | 6:08 AM | 6:39 AM |
| Apr 15MDT | 5:11 AM | 5:38 AM | 6:11 AM |
| May 1MDT | 4:42 AM | 5:07 AM | 5:42 AM |
| May 15MDT | 4:22 AM | 4:44 AM | 5:22 AM |
| Jun 1MDT | 4:05 AM | 4:25 AM | 5:05 AM |
| Jun 15MDT | 4:00 AM | 4:19 AM | 5:00 AM |
| Jul 1MDT | 4:05 AM | 4:23 AM | 5:05 AM |
| Jul 15MDT | 4:16 AM | 4:37 AM | 5:16 AM |
| Aug 1MDT | 4:36 AM | 5:00 AM | 5:36 AM |
| Aug 15MDT | 4:55 AM | 5:21 AM | 5:55 AM |
| Sep 1MDT | 5:18 AM | 5:46 AM | 6:18 AM |
| Sep 15MDT | 5:38 AM | 6:06 AM | 6:38 AM |
| Oct 1MDT | 6:00 AM | 6:29 AM | 7:00 AM |
| Oct 15MDT | 6:20 AM | 6:49 AM | 7:20 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT PAPI RYS 09 & 27 AND MIRL RY 09/27 - CTAF.
Runway 02/20
3,020 × 80 ft · Turf
Runway 09/27
4,403 × 75 ft · Asphalt
Frequencies
Night at PO1, in short
When can I log night time at PO1?
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 5:07 PM to 6:22 AM MST.
When do landings at PO1 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 5:34 PM to 5:55 AM MST.
When are position lights required at PO1?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:34 PM to 6:55 AM MST.
Nearby airports
- KOLF L M Clayton Wolf Point, MT · 17 nm
- S85 Big Sky Field Culbertson, MT · 26 nm
- 7U8 Richey Richey, MT · 31 nm
- 9S2 Scobey Scobey, MT · 42 nm
- 4U6 Circle Town County Circle, MT · 46 nm
- KSDY Sidney-Richland Regional Sidney, MT · 47 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.