C21 Commonwealth Health Center night times
Garapan, MP · Heliport
Night of Nov 7 to Nov 8GMT+10
Position lights
§ 91.2095:46 PMto6:16 AM
Sunset to sunrise. Lights on.
0746Z to 2016Z
Night logging
§ 1.16:08 PMto5:53 AM
Civil twilight. Log it as night.
0808Z to 1953Z
Night currency
§ 61.57(b)6:46 PMto5:16 AM
One hour after sunset. Landings count.
0846Z to 1916Z
Evenings at C21
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1GMT+10 | 5:48 PM | 6:10 PM | 6:48 PM |
| Nov 15GMT+10 | 5:44 PM | 6:07 PM | 6:44 PM |
| Dec 1GMT+10 | 5:45 PM | 6:08 PM | 6:45 PM |
| Dec 15GMT+10 | 5:49 PM | 6:12 PM | 6:49 PM |
| Jan 1GMT+10 | 5:58 PM | 6:21 PM | 6:58 PM |
| Jan 15GMT+10 | 6:06 PM | 6:29 PM | 7:06 PM |
| Feb 1GMT+10 | 6:15 PM | 6:37 PM | 7:15 PM |
| Feb 15GMT+10 | 6:21 PM | 6:43 PM | 7:21 PM |
| Mar 1GMT+10 | 6:25 PM | 6:46 PM | 7:25 PM |
| Mar 15GMT+10 | 6:27 PM | 6:49 PM | 7:27 PM |
| Apr 1GMT+10 | 6:29 PM | 6:51 PM | 7:29 PM |
| Apr 15GMT+10 | 6:31 PM | 6:53 PM | 7:31 PM |
| May 1GMT+10 | 6:35 PM | 6:57 PM | 7:35 PM |
| May 15GMT+10 | 6:38 PM | 7:01 PM | 7:38 PM |
| Jun 1GMT+10 | 6:44 PM | 7:07 PM | 7:44 PM |
| Jun 15GMT+10 | 6:48 PM | 7:12 PM | 7:48 PM |
| Jul 1GMT+10 | 6:51 PM | 7:15 PM | 7:51 PM |
| Jul 15GMT+10 | 6:51 PM | 7:15 PM | 7:51 PM |
| Aug 1GMT+10 | 6:47 PM | 7:10 PM | 7:47 PM |
| Aug 15GMT+10 | 6:41 PM | 7:03 PM | 7:41 PM |
| Sep 1GMT+10 | 6:30 PM | 6:52 PM | 7:30 PM |
| Sep 15GMT+10 | 6:19 PM | 6:41 PM | 7:19 PM |
| Oct 1GMT+10 | 6:07 PM | 6:28 PM | 7:07 PM |
| Oct 15GMT+10 | 5:57 PM | 6:19 PM | 6:57 PM |
Mornings at C21
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1GMT+10 | 5:13 AM | 5:51 AM | 6:13 AM |
| Nov 15GMT+10 | 5:19 AM | 5:56 AM | 6:19 AM |
| Dec 1GMT+10 | 5:27 AM | 6:04 AM | 6:27 AM |
| Dec 15GMT+10 | 5:35 AM | 6:12 AM | 6:35 AM |
| Jan 1GMT+10 | 5:43 AM | 6:20 AM | 6:43 AM |
| Jan 15GMT+10 | 5:47 AM | 6:24 AM | 6:47 AM |
| Feb 1GMT+10 | 5:46 AM | 6:24 AM | 6:46 AM |
| Feb 15GMT+10 | 5:42 AM | 6:20 AM | 6:42 AM |
| Mar 1GMT+10 | 5:35 AM | 6:13 AM | 6:35 AM |
| Mar 15GMT+10 | 5:25 AM | 6:04 AM | 6:25 AM |
| Apr 1GMT+10 | 5:13 AM | 5:52 AM | 6:13 AM |
| Apr 15GMT+10 | 5:03 AM | 5:42 AM | 6:03 AM |
| May 1GMT+10 | 4:54 AM | 5:32 AM | 5:54 AM |
| May 15GMT+10 | 4:49 AM | 5:26 AM | 5:49 AM |
| Jun 1GMT+10 | 4:46 AM | 5:22 AM | 5:46 AM |
| Jun 15GMT+10 | 4:47 AM | 5:23 AM | 5:47 AM |
| Jul 1GMT+10 | 4:50 AM | 5:27 AM | 5:50 AM |
| Jul 15GMT+10 | 4:55 AM | 5:31 AM | 5:55 AM |
| Aug 1GMT+10 | 4:59 AM | 5:37 AM | 5:59 AM |
| Aug 15GMT+10 | 5:02 AM | 5:40 AM | 6:02 AM |
| Sep 1GMT+10 | 5:05 AM | 5:43 AM | 6:05 AM |
| Sep 15GMT+10 | 5:06 AM | 5:44 AM | 6:06 AM |
| Oct 1GMT+10 | 5:07 AM | 5:45 AM | 6:07 AM |
| Oct 15GMT+10 | 5:09 AM | 5:47 AM | 6:09 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
Helipad H1
45 × 45 ft · Concrete
Frequencies
Night at C21, in short
When can I log night time at C21?
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 7, 2026, that was 6:08 PM to 5:53 AM GMT+10.
When do landings at C21 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 7, 2026, that was 6:46 PM to 5:16 AM GMT+10.
When are position lights required at C21?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 7, 2026, that was 5:46 PM to 6:16 AM GMT+10.
Nearby airports
- PGSN Francisco C Ada/Saipan International Saipan Island, MP · 5 nm
- PGWT Francisco Manglona Borja/Tinian International Tinian Island, MP · 14 nm
- PGRO Benjamin Taisacan Manglona International Rota Island, MP · 68 nm
- PGUM Guam International Tamuning, GU · 117 nm
- TT01 Pagan Airstrip Shomu-Shon, MP · 175 nm
- PTYU Ulithi Ulithi · 467 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.