N51 Solberg/Hunterdon night times
Readington, NJ
Night of Nov 6 to Nov 7EST
Position lights
§ 91.2094:50 PMto6:36 AM
Sunset to sunrise. Lights on.
2150Z to 1136Z
Night logging
§ 1.15:18 PMto6:07 AM
Civil twilight. Log it as night.
2218Z to 1107Z
Night currency
§ 61.57(b)5:50 PMto5:36 AM
One hour after sunset. Landings count.
2250Z to 1036Z
Evenings at N51
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1EST | 4:55 PM | 5:24 PM | 5:55 PM |
| Nov 15EST | 4:41 PM | 5:10 PM | 5:41 PM |
| Dec 1EST | 4:33 PM | 5:03 PM | 5:33 PM |
| Dec 15EST | 4:33 PM | 5:04 PM | 5:33 PM |
| Jan 1EST | 4:43 PM | 5:13 PM | 5:43 PM |
| Jan 15EST | 4:56 PM | 5:26 PM | 5:56 PM |
| Feb 1EST | 5:17 PM | 5:46 PM | 6:17 PM |
| Feb 15EST | 5:34 PM | 6:02 PM | 6:34 PM |
| Mar 1EST | 5:50 PM | 6:18 PM | 6:50 PM |
| Mar 15EDT | 7:06 PM | 7:33 PM | 8:06 PM |
| Apr 1EDT | 7:23 PM | 7:51 PM | 8:23 PM |
| Apr 15EDT | 7:38 PM | 8:06 PM | 8:38 PM |
| May 1EDT | 7:55 PM | 8:24 PM | 8:55 PM |
| May 15EDT | 8:09 PM | 8:40 PM | 9:09 PM |
| Jun 1EDT | 8:23 PM | 8:56 PM | 9:23 PM |
| Jun 15EDT | 8:31 PM | 9:05 PM | 9:31 PM |
| Jul 1EDT | 8:34 PM | 9:07 PM | 9:34 PM |
| Jul 15EDT | 8:29 PM | 9:01 PM | 9:29 PM |
| Aug 1EDT | 8:14 PM | 8:45 PM | 9:14 PM |
| Aug 15EDT | 7:57 PM | 8:26 PM | 8:57 PM |
| Sep 1EDT | 7:31 PM | 7:59 PM | 8:31 PM |
| Sep 15EDT | 7:08 PM | 7:36 PM | 8:08 PM |
| Oct 1EDT | 6:41 PM | 7:09 PM | 7:41 PM |
| Oct 15EDT | 6:19 PM | 6:47 PM | 7:19 PM |
Mornings at N51
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1EST | 5:29 AM | 6:01 AM | 6:29 AM |
| Nov 15EST | 5:46 AM | 6:16 AM | 6:46 AM |
| Dec 1EST | 6:03 AM | 6:33 AM | 7:03 AM |
| Dec 15EST | 6:15 AM | 6:45 AM | 7:15 AM |
| Jan 1EST | 6:23 AM | 6:52 AM | 7:23 AM |
| Jan 15EST | 6:21 AM | 6:51 AM | 7:21 AM |
| Feb 1EST | 6:09 AM | 6:40 AM | 7:09 AM |
| Feb 15EST | 5:53 AM | 6:25 AM | 6:53 AM |
| Mar 1EST | 5:33 AM | 6:06 AM | 6:33 AM |
| Mar 15EDT | 6:11 AM | 6:44 AM | 7:11 AM |
| Apr 1EDT | 5:43 AM | 6:15 AM | 6:43 AM |
| Apr 15EDT | 5:21 AM | 5:52 AM | 6:21 AM |
| May 1EDT | 4:58 AM | 5:28 AM | 5:58 AM |
| May 15EDT | 4:42 AM | 5:11 AM | 5:42 AM |
| Jun 1EDT | 4:31 AM | 4:58 AM | 5:31 AM |
| Jun 15EDT | 4:28 AM | 4:54 AM | 5:28 AM |
| Jul 1EDT | 4:32 AM | 4:59 AM | 5:32 AM |
| Jul 15EDT | 4:41 AM | 5:09 AM | 5:41 AM |
| Aug 1EDT | 4:56 AM | 5:25 AM | 5:56 AM |
| Aug 15EDT | 5:09 AM | 5:40 AM | 6:09 AM |
| Sep 1EDT | 5:26 AM | 5:58 AM | 6:26 AM |
| Sep 15EDT | 5:40 AM | 6:12 AM | 6:40 AM |
| Oct 1EDT | 5:55 AM | 6:28 AM | 6:55 AM |
| Oct 15EDT | 6:10 AM | 6:42 AM | 7:10 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT REIL RWY 04 & 22; MIRL RWY 04/22 - CTAF. PAPI RWY 04 & 22 OPR CONSLY.
Runway 04/22
5,598 × 50 ft · Asphalt
RWY 04/22 MIRL ON PAVED 3735 FT BY 50 FT PORTION OF RWY.
Runway 10/28
2,010 × 100 ft · Turf
Runway 13/31
3,444 × 200 ft · Turf
Frequencies
Night at N51, in short
When can I log night time at N51?
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 6:07 AM EST.
When do landings at N51 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 5:50 PM to 5:36 AM EST.
When are position lights required at N51?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:50 PM to 6:36 AM EST.
Nearby airports
- KSMQ Somerset Somerville, NJ · 4 nm
- 47N Central Jersey Regional Manville, NJ · 7 nm
- N40 Sky Manor Pittstown, NJ · 11 nm
- 39N Princeton Princeton/Rocky Hill, NJ · 12 nm
- N85 Alexandria Pittstown, NJ · 13 nm
- N05 Hackettstown Hackettstown, NJ · 15 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.