LogNight

KMRF Marfa Municipal night times

Marfa, TX · FAA MRF

Night of Nov 6 to Nov 7CST

Position lights

§ 91.209

6:05 PMto7:15 AM

Sunset to sunrise. Lights on.

0005Z to 1315Z

Night logging

§ 1.1

6:30 PMto6:50 AM

Civil twilight. Log it as night.

0030Z to 1250Z

Night currency

§ 61.57(b)

7:05 PMto6:15 AM

One hour after sunset. Landings count.

0105Z to 1215Z

Other dates, moon, and night hours

Evenings at KMRF

When each night begins, through the year. Local time.

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1CST 6:08 PM6:33 PM7:08 PM
Nov 15CST 5:59 PM6:25 PM6:59 PM
Dec 1CST 5:55 PM6:21 PM6:55 PM
Dec 15CST 5:57 PM6:24 PM6:57 PM
Jan 1CST 6:07 PM6:33 PM7:07 PM
Jan 15CST 6:18 PM6:44 PM7:18 PM
Feb 1CST 6:33 PM6:58 PM7:33 PM
Feb 15CST 6:44 PM7:09 PM7:44 PM
Mar 1CST 6:55 PM7:19 PM7:55 PM
Mar 15CDT 8:04 PM8:28 PM9:04 PM
Apr 1CDT 8:15 PM8:39 PM9:15 PM
Apr 15CDT 8:24 PM8:48 PM9:24 PM
May 1CDT 8:34 PM9:00 PM9:34 PM
May 15CDT 8:43 PM9:10 PM9:43 PM
Jun 1CDT 8:53 PM9:21 PM9:53 PM
Jun 15CDT 9:00 PM9:27 PM10:00 PM
Jul 1CDT 9:02 PM9:30 PM10:02 PM
Jul 15CDT 9:00 PM9:27 PM10:00 PM
Aug 1CDT 8:50 PM9:16 PM9:50 PM
Aug 15CDT 8:38 PM9:03 PM9:38 PM
Sep 1CDT 8:19 PM8:43 PM9:19 PM
Sep 15CDT 8:02 PM8:26 PM9:02 PM
Oct 1CDT 7:41 PM8:05 PM8:41 PM
Oct 15CDT 7:25 PM7:49 PM8:25 PM

Mornings at KMRF

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1CST 6:11 AM6:46 AM7:11 AM
Nov 15CST 6:22 AM6:57 AM7:22 AM
Dec 1CST 6:35 AM7:09 AM7:35 AM
Dec 15CST 6:45 AM7:19 AM7:45 AM
Jan 1CST 6:53 AM7:26 AM7:53 AM
Jan 15CST 6:53 AM7:28 AM7:53 AM
Feb 1CST 6:47 AM7:22 AM7:47 AM
Feb 15CST 6:36 AM7:12 AM7:36 AM
Mar 1CST 6:22 AM6:58 AM7:22 AM
Mar 15CDT 7:06 AM7:42 AM8:06 AM
Apr 1CDT 6:45 AM7:21 AM7:45 AM
Apr 15CDT 6:29 AM7:04 AM7:29 AM
May 1CDT 6:13 AM6:47 AM7:13 AM
May 15CDT 6:02 AM6:36 AM7:02 AM
Jun 1CDT 5:55 AM6:27 AM6:55 AM
Jun 15CDT 5:54 AM6:26 AM6:54 AM
Jul 1CDT 5:58 AM6:30 AM6:58 AM
Jul 15CDT 6:04 AM6:37 AM7:04 AM
Aug 1CDT 6:14 AM6:48 AM7:14 AM
Aug 15CDT 6:23 AM6:58 AM7:23 AM
Sep 1CDT 6:33 AM7:08 AM7:33 AM
Sep 15CDT 6:40 AM7:16 AM7:40 AM
Oct 1CDT 6:50 AM7:26 AM7:50 AM
Oct 15CDT 6:58 AM7:34 AM7:58 AM

Lights and runways

As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.

Field elevation 4,849 ft MSL
Airport lights See remarks below
Beacon White and green, sunset to sunrise
Wind indicator Lighted

105 FT AGL LGTD WATER TWR 1168 FT SW OF AER 31.

MIRL RWY 13/31 PRESET LOW INTST; TO INCR INTST ACTVT - CTAF.

Runway 04/22

5,309 × 75 ft · Asphalt

Edge lights Not listed
04 None listed
22 None listed

Runway 09/27

2,825 × 60 ft · Dirt

Edge lights Not listed
09 None listed
27 None listed

Runway 13/31

6,203 × 75 ft · Asphalt

Edge lights Medium intensity (MIRL)
13 2-light PAPI, left
31 2-light PAPI, left

Frequencies

CTAF 122.8
UNICOM 122.8
AWOS-3PT 134.025

Night at KMRF, in short

When can I log night time at KMRF?

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 6:30 PM to 6:50 AM CST.

When do landings at KMRF 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 7:05 PM to 6:15 AM CST.

When are position lights required at KMRF?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 6:05 PM to 7:15 AM CST.

Nearby airports

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.