CYSB Sudbury night times
Sudbury
Night of Nov 6 to Nov 7EST
Position lights
§ 91.2095:01 PMto7:14 AM
Sunset to sunrise. Lights on.
2201Z to 1214Z
Night logging
§ 1.15:33 PMto6:42 AM
Civil twilight. Log it as night.
2233Z to 1142Z
Night currency
§ 61.57(b)6:01 PMto6:14 AM
One hour after sunset. Landings count.
2301Z to 1114Z
Evenings at CYSB
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1EST | 5:08 PM | 5:39 PM | 6:08 PM |
| Nov 15EST | 4:50 PM | 5:22 PM | 5:50 PM |
| Dec 1EST | 4:37 PM | 5:12 PM | 5:37 PM |
| Dec 15EST | 4:36 PM | 5:11 PM | 5:36 PM |
| Jan 1EST | 4:46 PM | 5:21 PM | 5:46 PM |
| Jan 15EST | 5:02 PM | 5:36 PM | 6:02 PM |
| Feb 1EST | 5:27 PM | 5:59 PM | 6:27 PM |
| Feb 15EST | 5:48 PM | 6:19 PM | 6:48 PM |
| Mar 1EST | 6:09 PM | 6:39 PM | 7:09 PM |
| Mar 15EDT | 7:29 PM | 7:59 PM | 8:29 PM |
| Apr 1EDT | 7:52 PM | 8:23 PM | 8:52 PM |
| Apr 15EDT | 8:11 PM | 8:43 PM | 9:11 PM |
| May 1EDT | 8:33 PM | 9:06 PM | 9:33 PM |
| May 15EDT | 8:51 PM | 9:26 PM | 9:51 PM |
| Jun 1EDT | 9:09 PM | 9:47 PM | 10:09 PM |
| Jun 15EDT | 9:18 PM | 9:58 PM | 10:18 PM |
| Jul 1EDT | 9:20 PM | 9:59 PM | 10:20 PM |
| Jul 15EDT | 9:13 PM | 9:51 PM | 10:13 PM |
| Aug 1EDT | 8:55 PM | 9:30 PM | 9:55 PM |
| Aug 15EDT | 8:33 PM | 9:06 PM | 9:33 PM |
| Sep 1EDT | 8:03 PM | 8:34 PM | 9:03 PM |
| Sep 15EDT | 7:35 PM | 8:05 PM | 8:35 PM |
| Oct 1EDT | 7:03 PM | 7:33 PM | 8:03 PM |
| Oct 15EDT | 6:37 PM | 7:07 PM | 7:37 PM |
Mornings at CYSB
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1EST | 6:05 AM | 6:34 AM | 7:05 AM |
| Nov 15EST | 6:26 AM | 6:53 AM | 7:26 AM |
| Dec 1EST | 6:47 AM | 7:13 AM | 7:47 AM |
| Dec 15EST | 7:01 AM | 7:26 AM | 8:01 AM |
| Jan 1EST | 7:08 AM | 7:33 AM | 8:08 AM |
| Jan 15EST | 7:03 AM | 7:29 AM | 8:03 AM |
| Feb 1EST | 6:47 AM | 7:15 AM | 7:47 AM |
| Feb 15EST | 6:27 AM | 6:56 AM | 7:27 AM |
| Mar 1EST | 6:03 AM | 6:33 AM | 7:03 AM |
| Mar 15EDT | 6:36 AM | 7:06 AM | 7:36 AM |
| Apr 1EDT | 6:03 AM | 6:32 AM | 7:03 AM |
| Apr 15EDT | 5:36 AM | 6:05 AM | 6:36 AM |
| May 1EDT | 5:09 AM | 5:35 AM | 6:09 AM |
| May 15EDT | 4:49 AM | 5:14 AM | 5:49 AM |
| Jun 1EDT | 4:34 AM | 4:56 AM | 5:34 AM |
| Jun 15EDT | 4:29 AM | 4:50 AM | 5:29 AM |
| Jul 1EDT | 4:34 AM | 4:55 AM | 5:34 AM |
| Jul 15EDT | 4:45 AM | 5:07 AM | 5:45 AM |
| Aug 1EDT | 5:04 AM | 5:28 AM | 6:04 AM |
| Aug 15EDT | 5:21 AM | 5:48 AM | 6:21 AM |
| Sep 1EDT | 5:43 AM | 6:12 AM | 6:43 AM |
| Sep 15EDT | 6:01 AM | 6:30 AM | 7:01 AM |
| Oct 1EDT | 6:22 AM | 6:52 AM | 7:22 AM |
| Oct 15EDT | 6:41 AM | 7:10 AM | 7:41 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Runway 04/22
600 × 200 ft · Asphalt
Runway 12/30
5,000 × 200 ft · Asphalt
Night at CYSB, in short
When can I log night time at CYSB?
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 5:33 PM to 6:42 AM EST.
When do landings at CYSB 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 6:01 PM to 6:14 AM EST.
When are position lights required at CYSB?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:01 PM to 7:14 AM EST.
Nearby airports
- CYYB North Bay North Bay · 59 nm
- CYVV Wiarton Wiarton · 114 nm
- CYQA Muskoka Muskoka · 117 nm
- CYTS Timmins Timmins · 119 nm
- CYOS Owen Sound Billy Bishop Regional Owen Sound · 122 nm
- CYUY Rouyn-Noranda Rouyn-Noranda · 124 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.