C47 Portage Municipal night times
Portage, WI
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:42 PMto6:42 AM
Sunset to sunrise. Lights on.
2242Z to 1242Z
Night logging
§ 1.15:13 PMto6:11 AM
Civil twilight. Log it as night.
2313Z to 1211Z
Night currency
§ 61.57(b)5:42 PMto5:42 AM
One hour after sunset. Landings count.
2342Z to 1142Z
Evenings at C47
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 4:49 PM | 5:19 PM | 5:49 PM |
| Nov 15CST | 4:33 PM | 5:04 PM | 5:33 PM |
| Dec 1CST | 4:22 PM | 4:55 PM | 5:22 PM |
| Dec 15CST | 4:22 PM | 4:55 PM | 5:22 PM |
| Jan 1CST | 4:32 PM | 5:05 PM | 5:32 PM |
| Jan 15CST | 4:47 PM | 5:19 PM | 5:47 PM |
| Feb 1CST | 5:09 PM | 5:40 PM | 6:09 PM |
| Feb 15CST | 5:28 PM | 5:58 PM | 6:28 PM |
| Mar 1CST | 5:47 PM | 6:15 PM | 6:47 PM |
| Mar 15CDT | 7:04 PM | 7:33 PM | 8:04 PM |
| Apr 1CDT | 7:25 PM | 7:53 PM | 8:25 PM |
| Apr 15CDT | 7:41 PM | 8:11 PM | 8:41 PM |
| May 1CDT | 8:00 PM | 8:32 PM | 9:00 PM |
| May 15CDT | 8:16 PM | 8:49 PM | 9:16 PM |
| Jun 1CDT | 8:32 PM | 9:07 PM | 9:32 PM |
| Jun 15CDT | 8:41 PM | 9:17 PM | 9:41 PM |
| Jul 1CDT | 8:43 PM | 9:19 PM | 9:43 PM |
| Jul 15CDT | 8:37 PM | 9:11 PM | 9:37 PM |
| Aug 1CDT | 8:21 PM | 8:53 PM | 9:21 PM |
| Aug 15CDT | 8:02 PM | 8:32 PM | 9:02 PM |
| Sep 1CDT | 7:34 PM | 8:03 PM | 8:34 PM |
| Sep 15CDT | 7:08 PM | 7:37 PM | 8:08 PM |
| Oct 1CDT | 6:39 PM | 7:08 PM | 7:39 PM |
| Oct 15CDT | 6:15 PM | 6:44 PM | 7:15 PM |
Mornings at C47
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:34 AM | 6:04 AM | 6:34 AM |
| Nov 15CST | 5:52 AM | 6:21 AM | 6:52 AM |
| Dec 1CST | 6:11 AM | 6:39 AM | 7:11 AM |
| Dec 15CST | 6:24 AM | 6:52 AM | 7:24 AM |
| Jan 1CST | 6:31 AM | 6:59 AM | 7:31 AM |
| Jan 15CST | 6:28 AM | 6:56 AM | 7:28 AM |
| Feb 1CST | 6:14 AM | 6:44 AM | 7:14 AM |
| Feb 15CST | 5:57 AM | 6:27 AM | 6:57 AM |
| Mar 1CST | 5:35 AM | 6:06 AM | 6:35 AM |
| Mar 15CDT | 6:10 AM | 6:42 AM | 7:10 AM |
| Apr 1CDT | 5:40 AM | 6:11 AM | 6:40 AM |
| Apr 15CDT | 5:16 AM | 5:46 AM | 6:16 AM |
| May 1CDT | 4:51 AM | 5:19 AM | 5:51 AM |
| May 15CDT | 4:33 AM | 5:00 AM | 5:33 AM |
| Jun 1CDT | 4:20 AM | 4:45 AM | 5:20 AM |
| Jun 15CDT | 4:16 AM | 4:40 AM | 5:16 AM |
| Jul 1CDT | 4:21 AM | 4:45 AM | 5:21 AM |
| Jul 15CDT | 4:30 AM | 4:56 AM | 5:30 AM |
| Aug 1CDT | 4:47 AM | 5:15 AM | 5:47 AM |
| Aug 15CDT | 5:03 AM | 5:32 AM | 6:03 AM |
| Sep 1CDT | 5:22 AM | 5:52 AM | 6:22 AM |
| Sep 15CDT | 5:37 AM | 6:08 AM | 6:37 AM |
| Oct 1CDT | 5:55 AM | 6:27 AM | 6:55 AM |
| Oct 15CDT | 6:12 AM | 6:43 AM | 7:12 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 04/22
2,668 × 40 ft · Asphalt
Runway 18/36
3,770 × 60 ft · Asphalt
MIRL NSTD. RWY 18 FIRST 100 FT NOT LGTD; RWY 36 FIRST 193 FT NOT LGTD.
Frequencies
Night at C47, in short
When can I log night time at C47?
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 5:13 PM to 6:11 AM CST.
When do landings at C47 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 5:42 PM to 5:42 AM CST.
When are position lights required at C47?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:42 PM to 6:42 AM CST.
Nearby airports
- 94C Gilbert Field Rio, WI · 12 nm
- KDLL Baraboo/Wisconsin Dells Regional Baraboo, WI · 13 nm
- 91C Sauk/Prairie Prairie Du Sac, WI · 20 nm
- C35 Reedsburg Municipal Reedsburg, WI · 22 nm
- 6P3 Waunakee Waunakee, WI · 23 nm
- KMSN Dane County Regional/Truax Field Madison, WI · 26 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.