KRKS Southwest Wyoming Regional night times
Rock Springs, WY · FAA RKS
Night of Nov 6 to Nov 7MST
Position lights
§ 91.2095:05 PMto6:56 AM
Sunset to sunrise. Lights on.
0005Z to 1356Z
Night logging
§ 1.15:34 PMto6:26 AM
Civil twilight. Log it as night.
0034Z to 1326Z
Night currency
§ 61.57(b)6:05 PMto5:56 AM
One hour after sunset. Landings count.
0105Z to 1256Z
Evenings at KRKS
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1MST | 5:11 PM | 5:40 PM | 6:11 PM |
| Nov 15MST | 4:56 PM | 5:26 PM | 5:56 PM |
| Dec 1MST | 4:47 PM | 5:18 PM | 5:47 PM |
| Dec 15MST | 4:47 PM | 5:18 PM | 5:47 PM |
| Jan 1MST | 4:57 PM | 5:28 PM | 5:57 PM |
| Jan 15MST | 5:11 PM | 5:42 PM | 6:11 PM |
| Feb 1MST | 5:32 PM | 6:01 PM | 6:32 PM |
| Feb 15MST | 5:50 PM | 6:18 PM | 6:50 PM |
| Mar 1MST | 6:07 PM | 6:35 PM | 7:07 PM |
| Mar 15MDT | 7:23 PM | 7:50 PM | 8:23 PM |
| Apr 1MDT | 7:42 PM | 8:10 PM | 8:42 PM |
| Apr 15MDT | 7:57 PM | 8:26 PM | 8:57 PM |
| May 1MDT | 8:14 PM | 8:44 PM | 9:14 PM |
| May 15MDT | 8:29 PM | 9:01 PM | 9:29 PM |
| Jun 1MDT | 8:44 PM | 9:17 PM | 9:44 PM |
| Jun 15MDT | 8:52 PM | 9:26 PM | 9:52 PM |
| Jul 1MDT | 8:54 PM | 9:28 PM | 9:54 PM |
| Jul 15MDT | 8:49 PM | 9:22 PM | 9:49 PM |
| Aug 1MDT | 8:34 PM | 9:05 PM | 9:34 PM |
| Aug 15MDT | 8:16 PM | 8:46 PM | 9:16 PM |
| Sep 1MDT | 7:50 PM | 8:18 PM | 8:50 PM |
| Sep 15MDT | 7:26 PM | 7:54 PM | 8:26 PM |
| Oct 1MDT | 6:58 PM | 7:26 PM | 7:58 PM |
| Oct 15MDT | 6:35 PM | 7:03 PM | 7:35 PM |
Mornings at KRKS
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1MST | 5:48 AM | 6:20 AM | 6:48 AM |
| Nov 15MST | 6:05 AM | 6:36 AM | 7:05 AM |
| Dec 1MST | 6:24 AM | 6:53 AM | 7:24 AM |
| Dec 15MST | 6:36 AM | 7:05 AM | 7:36 AM |
| Jan 1MST | 6:43 AM | 7:12 AM | 7:43 AM |
| Jan 15MST | 6:41 AM | 7:10 AM | 7:41 AM |
| Feb 1MST | 6:28 AM | 6:59 AM | 7:28 AM |
| Feb 15MST | 6:12 AM | 6:43 AM | 7:12 AM |
| Mar 1MST | 5:51 AM | 6:23 AM | 6:51 AM |
| Mar 15MDT | 6:28 AM | 7:01 AM | 7:28 AM |
| Apr 1MDT | 5:59 AM | 6:31 AM | 6:59 AM |
| Apr 15MDT | 5:37 AM | 6:08 AM | 6:37 AM |
| May 1MDT | 5:13 AM | 5:43 AM | 6:13 AM |
| May 15MDT | 4:57 AM | 5:25 AM | 5:57 AM |
| Jun 1MDT | 4:45 AM | 5:11 AM | 5:45 AM |
| Jun 15MDT | 4:42 AM | 5:07 AM | 5:42 AM |
| Jul 1MDT | 4:46 AM | 5:12 AM | 5:46 AM |
| Jul 15MDT | 4:55 AM | 5:22 AM | 5:55 AM |
| Aug 1MDT | 5:11 AM | 5:39 AM | 6:11 AM |
| Aug 15MDT | 5:25 AM | 5:55 AM | 6:25 AM |
| Sep 1MDT | 5:42 AM | 6:14 AM | 6:42 AM |
| Sep 15MDT | 5:56 AM | 6:29 AM | 6:56 AM |
| Oct 1MDT | 6:13 AM | 6:45 AM | 7:13 AM |
| Oct 15MDT | 6:28 AM | 7:00 AM | 7:28 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT MALSR RWY 27; ODALS RWY 09; REIL RWY 03 & 21; HIRL RWY 09/27 & TWY LGTS - CTAF. PAPI RWY 09, 27, 03, 21 OPR CONSLY.
Runway 03/21
5,228 × 75 ft · Asphalt
Runway 09/27
10,002 × 150 ft · Asphalt
Frequencies
Night at KRKS, in short
When can I log night time at KRKS?
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 5:34 PM to 6:26 AM MST.
When do landings at KRKS 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 6:05 PM to 5:56 AM MST.
When are position lights required at KRKS?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:05 PM to 6:56 AM MST.
Nearby airports
- 48U Gtr Green River Intergalactic Spaceport Green River, WY · 21 nm
- TF9 Taylor Flat Dutch John, UT · 43 nm
- 33U Dutch John Dutch John, UT · 43 nm
- 40U Manila Manila, UT · 46 nm
- KFBR Fort Bridger Fort Bridger, WY · 61 nm
- KEMM Kemmerer Municipal Kemmerer, WY · 68 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.