LogNight

KOUN University Of Oklahoma Westheimer night times

Norman, OK · FAA OUN

Night of Nov 6 to Nov 7CST

Position lights

§ 91.209

5:30 PMto6:57 AM

Sunset to sunrise. Lights on.

2330Z to 1257Z

Night logging

§ 1.1

5:57 PMto6:31 AM

Civil twilight. Log it as night.

2357Z to 1231Z

Night currency

§ 61.57(b)

6:30 PMto5:57 AM

One hour after sunset. Landings count.

0030Z to 1157Z

Other dates, moon, and night hours

Evenings at KOUN

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

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1CST 5:35 PM6:01 PM6:35 PM
Nov 15CST 5:24 PM5:51 PM6:24 PM
Dec 1CST 5:18 PM5:45 PM6:18 PM
Dec 15CST 5:19 PM5:47 PM6:19 PM
Jan 1CST 5:29 PM5:57 PM6:29 PM
Jan 15CST 5:41 PM6:08 PM6:41 PM
Feb 1CST 5:58 PM6:25 PM6:58 PM
Feb 15CST 6:12 PM6:38 PM7:12 PM
Mar 1CST 6:25 PM6:51 PM7:25 PM
Mar 15CDT 7:37 PM8:03 PM8:37 PM
Apr 1CDT 7:51 PM8:17 PM8:51 PM
Apr 15CDT 8:03 PM8:29 PM9:03 PM
May 1CDT 8:16 PM8:43 PM9:16 PM
May 15CDT 8:27 PM8:55 PM9:27 PM
Jun 1CDT 8:39 PM9:09 PM9:39 PM
Jun 15CDT 8:46 PM9:16 PM9:46 PM
Jul 1CDT 8:49 PM9:18 PM9:49 PM
Jul 15CDT 8:45 PM9:14 PM9:45 PM
Aug 1CDT 8:33 PM9:01 PM9:33 PM
Aug 15CDT 8:19 PM8:46 PM9:19 PM
Sep 1CDT 7:57 PM8:23 PM8:57 PM
Sep 15CDT 7:37 PM8:02 PM8:37 PM
Oct 1CDT 7:14 PM7:39 PM8:14 PM
Oct 15CDT 6:55 PM7:20 PM7:55 PM

Mornings at KOUN

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1CST 5:51 AM6:25 AM6:51 AM
Nov 15CST 6:05 AM6:38 AM7:05 AM
Dec 1CST 6:20 AM6:52 AM7:20 AM
Dec 15CST 6:31 AM7:03 AM7:31 AM
Jan 1CST 6:39 AM7:10 AM7:39 AM
Jan 15CST 6:38 AM7:10 AM7:38 AM
Feb 1CST 6:29 AM7:02 AM7:29 AM
Feb 15CST 6:16 AM6:50 AM7:16 AM
Mar 1CST 6:00 AM6:34 AM7:00 AM
Mar 15CDT 6:41 AM7:15 AM7:41 AM
Apr 1CDT 6:17 AM6:51 AM7:17 AM
Apr 15CDT 5:58 AM6:32 AM6:58 AM
May 1CDT 5:39 AM6:12 AM6:39 AM
May 15CDT 5:26 AM5:58 AM6:26 AM
Jun 1CDT 5:17 AM5:47 AM6:17 AM
Jun 15CDT 5:15 AM5:45 AM6:15 AM
Jul 1CDT 5:19 AM5:49 AM6:19 AM
Jul 15CDT 5:27 AM5:58 AM6:27 AM
Aug 1CDT 5:39 AM6:11 AM6:39 AM
Aug 15CDT 5:50 AM6:23 AM6:50 AM
Sep 1CDT 6:02 AM6:36 AM7:02 AM
Sep 15CDT 6:13 AM6:47 AM7:13 AM
Oct 1CDT 6:25 AM6:59 AM7:25 AM
Oct 15CDT 6:36 AM7:10 AM7:36 AM

Lights and runways

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

Field elevation 1,182 ft MSL
Airport lights See remarks below
Beacon White and green, sunset to sunrise
Wind indicator Lighted

180 DEG TURNS PROHIBITED ON RWYS FOR ALL OTHER THAN SINGLE ENGINE LIGHT ACFT.

WHEN ATCT CLSD ACTVT MIRL RYS 03/21 & 18/36; REIL RY 36;MALSR RY 18 & MALS RY 03 - CTAF.

Runway 03/21

4,748 × 100 ft · Asphalt

Edge lights Medium intensity (MIRL)
03 MALS · 4-light PAPI, left
21 4-light PAPI, left

Runway 18/36

5,199 × 100 ft · Asphalt

Edge lights Medium intensity (MIRL)
18 MALSR · 4-light PAPI, left
36 4-light PAPI, left · REIL

Frequencies

Tower hours 0700-2200
CTAF 118.0
Tower 118.0
Ground 121.6
UNICOM 122.95
AWOS-3PT 119.55

Night at KOUN, in short

When can I log night time at KOUN?

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 5:57 PM to 6:31 AM CST.

When do landings at KOUN 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 6:30 PM to 5:57 AM CST.

When are position lights required at KOUN?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:30 PM to 6:57 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.