3U3 Bowman Field night times
Anaconda, MT
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:10 PMto7:21 AM
Sunset to sunrise. Lights on.
0010Z to 1421Z
Night logging
§ 1.15:42 PMto6:49 AM
Civil twilight. Log it as night.
0042Z to 1349Z
Night currency
§ 61.57(b)6:10 PMto6:21 AM
One hour after sunset. Landings count.
0110Z to 1321Z
Evenings at 3U3
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:17 PM | 5:48 PM | 6:17 PM |
| Nov 15MST | 4:59 PM | 5:32 PM | 5:59 PM |
| Dec 1MST | 4:47 PM | 5:21 PM | 5:47 PM |
| Dec 15MST | 4:46 PM | 5:21 PM | 5:46 PM |
| Jan 1MST | 4:56 PM | 5:31 PM | 5:56 PM |
| Jan 15MST | 5:12 PM | 5:46 PM | 6:12 PM |
| Feb 1MST | 5:36 PM | 6:08 PM | 6:36 PM |
| Feb 15MST | 5:57 PM | 6:28 PM | 6:57 PM |
| Mar 1MST | 6:18 PM | 6:48 PM | 7:18 PM |
| Mar 15MDT | 7:37 PM | 8:07 PM | 8:37 PM |
| Apr 1MDT | 8:00 PM | 8:30 PM | 9:00 PM |
| Apr 15MDT | 8:19 PM | 8:50 PM | 9:19 PM |
| May 1MDT | 8:40 PM | 9:13 PM | 9:40 PM |
| May 15MDT | 8:57 PM | 9:33 PM | 9:57 PM |
| Jun 1MDT | 9:15 PM | 9:53 PM | 10:15 PM |
| Jun 15MDT | 9:25 PM | 10:03 PM | 10:25 PM |
| Jul 1MDT | 9:27 PM | 10:05 PM | 10:27 PM |
| Jul 15MDT | 9:20 PM | 9:57 PM | 10:20 PM |
| Aug 1MDT | 9:01 PM | 9:36 PM | 10:01 PM |
| Aug 15MDT | 8:40 PM | 9:13 PM | 9:40 PM |
| Sep 1MDT | 8:10 PM | 8:41 PM | 9:10 PM |
| Sep 15MDT | 7:43 PM | 8:13 PM | 8:43 PM |
| Oct 1MDT | 7:12 PM | 7:41 PM | 8:12 PM |
| Oct 15MDT | 6:45 PM | 7:15 PM | 7:45 PM |
Mornings at 3U3
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 6:13 AM | 6:41 AM | 7:13 AM |
| Nov 15MST | 6:33 AM | 7:00 AM | 7:33 AM |
| Dec 1MST | 6:54 AM | 7:20 AM | 7:54 AM |
| Dec 15MST | 7:07 AM | 7:33 AM | 8:07 AM |
| Jan 1MST | 7:14 AM | 7:39 AM | 8:14 AM |
| Jan 15MST | 7:10 AM | 7:36 AM | 8:10 AM |
| Feb 1MST | 6:54 AM | 7:22 AM | 7:54 AM |
| Feb 15MST | 6:34 AM | 7:04 AM | 7:34 AM |
| Mar 1MST | 6:11 AM | 6:41 AM | 7:11 AM |
| Mar 15MDT | 6:44 AM | 7:15 AM | 7:44 AM |
| Apr 1MDT | 6:11 AM | 6:41 AM | 7:11 AM |
| Apr 15MDT | 5:45 AM | 6:14 AM | 6:45 AM |
| May 1MDT | 5:18 AM | 5:45 AM | 6:18 AM |
| May 15MDT | 4:59 AM | 5:24 AM | 5:59 AM |
| Jun 1MDT | 4:44 AM | 5:06 AM | 5:44 AM |
| Jun 15MDT | 4:39 AM | 5:01 AM | 5:39 AM |
| Jul 1MDT | 4:44 AM | 5:06 AM | 5:44 AM |
| Jul 15MDT | 4:55 AM | 5:18 AM | 5:55 AM |
| Aug 1MDT | 5:13 AM | 5:39 AM | 6:13 AM |
| Aug 15MDT | 5:31 AM | 5:58 AM | 6:31 AM |
| Sep 1MDT | 5:52 AM | 6:21 AM | 6:52 AM |
| Sep 15MDT | 6:09 AM | 6:39 AM | 7:09 AM |
| Oct 1MDT | 6:30 AM | 7:00 AM | 7:30 AM |
| Oct 15MDT | 6:48 AM | 7:18 AM | 7:48 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ROTG BCN LCTD MIDWAY OF RWY 04/22 & OFFSET 700 FT SE OF CNTRLN.
ACTVT PAPI RWY 04, 17, 22, & 35; MIRL RWY 04/22 & 17/35 - CTAF.
Runway 04/22
4,074 × 60 ft · Asphalt
Runway 17/35
6,010 × 75 ft · Asphalt
Frequencies
Night at 3U3, in short
When can I log night time at 3U3?
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 5:42 PM to 6:49 AM MST.
When do landings at 3U3 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 6:10 PM to 6:21 AM MST.
When are position lights required at 3U3?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:10 PM to 7:21 AM MST.
Nearby airports
- 38S Deer Lodge-City-County Deer Lodge, MT · 15 nm
- KBTM Bert Mooney Butte, MT · 19 nm
- U05 Riddick Field Philipsburg, MT · 21 nm
- 02T Wise River Wise River, MT · 23 nm
- M26 Drummond Drummond, MT · 31 nm
- 3U9 Boulder Boulder, MT · 32 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.