S21 Sunriver night times
Sunriver, OR
Night of Nov 6 to Nov 7PST
Position lights
§ 91.2094:49 PMto6:50 AM
Sunset to sunrise. Lights on.
0049Z to 1450Z
Night logging
§ 1.15:20 PMto6:20 AM
Civil twilight. Log it as night.
0120Z to 1420Z
Night currency
§ 61.57(b)5:49 PMto5:50 AM
One hour after sunset. Landings count.
0149Z to 1350Z
Evenings at S21
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1PST | 4:56 PM | 5:26 PM | 5:56 PM |
| Nov 15PST | 4:40 PM | 5:11 PM | 5:40 PM |
| Dec 1PST | 4:29 PM | 5:02 PM | 5:29 PM |
| Dec 15PST | 4:29 PM | 5:02 PM | 5:29 PM |
| Jan 1PST | 4:39 PM | 5:12 PM | 5:39 PM |
| Jan 15PST | 4:54 PM | 5:26 PM | 5:54 PM |
| Feb 1PST | 5:16 PM | 5:47 PM | 6:16 PM |
| Feb 15PST | 5:36 PM | 6:05 PM | 6:36 PM |
| Mar 1PST | 5:54 PM | 6:23 PM | 6:54 PM |
| Mar 15PDT | 7:12 PM | 7:41 PM | 8:12 PM |
| Apr 1PDT | 7:33 PM | 8:02 PM | 8:33 PM |
| Apr 15PDT | 7:50 PM | 8:20 PM | 8:50 PM |
| May 1PDT | 8:09 PM | 8:40 PM | 9:09 PM |
| May 15PDT | 8:25 PM | 8:58 PM | 9:25 PM |
| Jun 1PDT | 8:41 PM | 9:17 PM | 9:41 PM |
| Jun 15PDT | 8:50 PM | 9:26 PM | 9:50 PM |
| Jul 1PDT | 8:52 PM | 9:28 PM | 9:52 PM |
| Jul 15PDT | 8:46 PM | 9:21 PM | 9:46 PM |
| Aug 1PDT | 8:29 PM | 9:02 PM | 9:29 PM |
| Aug 15PDT | 8:10 PM | 8:41 PM | 9:10 PM |
| Sep 1PDT | 7:42 PM | 8:11 PM | 8:42 PM |
| Sep 15PDT | 7:16 PM | 7:45 PM | 8:16 PM |
| Oct 1PDT | 6:47 PM | 7:15 PM | 7:47 PM |
| Oct 15PDT | 6:22 PM | 6:51 PM | 7:22 PM |
Mornings at S21
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1PST | 5:42 AM | 6:12 AM | 6:42 AM |
| Nov 15PST | 6:01 AM | 6:30 AM | 7:01 AM |
| Dec 1PST | 6:20 AM | 6:48 AM | 7:20 AM |
| Dec 15PST | 6:33 AM | 7:00 AM | 7:33 AM |
| Jan 1PST | 6:40 AM | 7:07 AM | 7:40 AM |
| Jan 15PST | 6:37 AM | 7:05 AM | 7:37 AM |
| Feb 1PST | 6:23 AM | 6:52 AM | 7:23 AM |
| Feb 15PST | 6:05 AM | 6:35 AM | 7:05 AM |
| Mar 1PST | 5:43 AM | 6:14 AM | 6:43 AM |
| Mar 15PDT | 6:18 AM | 6:49 AM | 7:18 AM |
| Apr 1PDT | 5:47 AM | 6:18 AM | 6:47 AM |
| Apr 15PDT | 5:23 AM | 5:53 AM | 6:23 AM |
| May 1PDT | 4:58 AM | 5:26 AM | 5:58 AM |
| May 15PDT | 4:40 AM | 5:07 AM | 5:40 AM |
| Jun 1PDT | 4:26 AM | 4:51 AM | 5:26 AM |
| Jun 15PDT | 4:23 AM | 4:47 AM | 5:23 AM |
| Jul 1PDT | 4:27 AM | 4:51 AM | 5:27 AM |
| Jul 15PDT | 4:37 AM | 5:03 AM | 5:37 AM |
| Aug 1PDT | 4:54 AM | 5:21 AM | 5:54 AM |
| Aug 15PDT | 5:10 AM | 5:39 AM | 6:10 AM |
| Sep 1PDT | 5:29 AM | 5:59 AM | 6:29 AM |
| Sep 15PDT | 5:45 AM | 6:16 AM | 6:45 AM |
| Oct 1PDT | 6:03 AM | 6:35 AM | 7:03 AM |
| Oct 15PDT | 6:20 AM | 6:51 AM | 7:20 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT ROTG BCN - CTAF.
ACTVT REIL RWY 18 & 36; PAPI RWY 18 & 36; MIRL RWY 18/36 - CTAF.
Runway 18/36
5,460 × 75 ft · Asphalt
Frequencies
Night at S21, in short
When can I log night time at S21?
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 5:20 PM to 6:20 AM PST.
When do landings at S21 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 5:49 PM to 5:50 AM PST.
When are position lights required at S21?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:49 PM to 6:50 AM PST.
Nearby airports
- KBDN Bend Municipal Bend, OR · 17 nm
- 6K5 Sisters Eagle Air Sisters, OR · 26 nm
- KRDM Roberts Field/Redmond Municipal Redmond, OR · 26 nm
- 5S2 Crescent Lake State Crescent Lake, OR · 30 nm
- 00S Mc Kenzie Bridge State Mc Kenzie Bridge, OR · 33 nm
- S39 Prineville Prineville, OR · 34 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.