LogNight

KOSU Ohio State University night times

Columbus, OH · FAA OSU

Night of Nov 6 to Nov 7EST

Position lights

§ 91.209

5:24 PMto7:09 AM

Sunset to sunrise. Lights on.

2224Z to 1209Z

Night logging

§ 1.1

5:52 PMto6:40 AM

Civil twilight. Log it as night.

2252Z to 1140Z

Night currency

§ 61.57(b)

6:24 PMto6:09 AM

One hour after sunset. Landings count.

2324Z to 1109Z

Other dates, moon, and night hours

Evenings at KOSU

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

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1EST 5:30 PM5:58 PM6:30 PM
Nov 15EST 5:16 PM5:45 PM6:16 PM
Dec 1EST 5:07 PM5:37 PM6:07 PM
Dec 15EST 5:08 PM5:38 PM6:08 PM
Jan 1EST 5:17 PM5:48 PM6:17 PM
Jan 15EST 5:31 PM6:01 PM6:31 PM
Feb 1EST 5:51 PM6:20 PM6:51 PM
Feb 15EST 6:08 PM6:36 PM7:08 PM
Mar 1EST 6:24 PM6:51 PM7:24 PM
Mar 15EDT 7:39 PM8:06 PM8:39 PM
Apr 1EDT 7:57 PM8:24 PM8:57 PM
Apr 15EDT 8:11 PM8:39 PM9:11 PM
May 1EDT 8:27 PM8:57 PM9:27 PM
May 15EDT 8:41 PM9:12 PM9:41 PM
Jun 1EDT 8:55 PM9:28 PM9:55 PM
Jun 15EDT 9:03 PM9:36 PM10:03 PM
Jul 1EDT 9:05 PM9:38 PM10:05 PM
Jul 15EDT 9:00 PM9:32 PM10:00 PM
Aug 1EDT 8:46 PM9:17 PM9:46 PM
Aug 15EDT 8:29 PM8:58 PM9:29 PM
Sep 1EDT 8:04 PM8:32 PM9:04 PM
Sep 15EDT 7:41 PM8:08 PM8:41 PM
Oct 1EDT 7:15 PM7:42 PM8:15 PM
Oct 15EDT 6:53 PM7:20 PM7:53 PM

Mornings at KOSU

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1EST 6:02 AM6:33 AM7:02 AM
Nov 15EST 6:18 AM6:49 AM7:18 AM
Dec 1EST 6:35 AM7:05 AM7:35 AM
Dec 15EST 6:47 AM7:17 AM7:47 AM
Jan 1EST 6:54 AM7:24 AM7:54 AM
Jan 15EST 6:53 AM7:23 AM7:53 AM
Feb 1EST 6:41 AM7:12 AM7:41 AM
Feb 15EST 6:25 AM6:58 AM7:25 AM
Mar 1EST 6:06 AM6:39 AM7:06 AM
Mar 15EDT 6:44 AM7:17 AM7:44 AM
Apr 1EDT 6:16 AM6:49 AM7:16 AM
Apr 15EDT 5:55 AM6:27 AM6:55 AM
May 1EDT 5:32 AM6:03 AM6:32 AM
May 15EDT 5:17 AM5:46 AM6:17 AM
Jun 1EDT 5:05 AM5:33 AM6:05 AM
Jun 15EDT 5:03 AM5:30 AM6:03 AM
Jul 1EDT 5:07 AM5:34 AM6:07 AM
Jul 15EDT 5:16 AM5:44 AM6:16 AM
Aug 1EDT 5:30 AM6:00 AM6:30 AM
Aug 15EDT 5:44 AM6:15 AM6:44 AM
Sep 1EDT 6:00 AM6:32 AM7:00 AM
Sep 15EDT 6:13 AM6:46 AM7:13 AM
Oct 1EDT 6:28 AM7:01 AM7:28 AM
Oct 15EDT 6:43 AM7:15 AM7:43 AM

Lights and runways

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

Field elevation 906 ft MSL
Airport lights See remarks below
Beacon White and green, sunset to sunrise
Wind indicator Lighted

RWY 05/23 CLSD DLY SS-SR.

WHEN ATCT CLSD ACTVT MALSR RWY 09R - CTAF. REIL RWY 27L; PAPI RWY 09R & 27L; VASI RWY 09L & 27R; HIRL RWY 09R/27L - OPR CONSLY MED INTST. MIRL RWY 09L/27R - OPR CONSLY LOW INTST.

Runway 05/23

3,562 × 100 ft · Asphalt

Edge lights Not listed
05 None listed
23 None listed

Runway 09L/27R

2,994 × 100 ft · Asphalt

Edge lights Medium intensity (MIRL)
09L 2-box VASI, left
27R 2-box VASI, left

Runway 09R/27L

5,004 × 100 ft · Asphalt

Edge lights High intensity (HIRL)
09R MALSR · 4-light PAPI, left
27L 4-light PAPI, left · REIL

Helipad H1

40 × 40 ft · Asphalt

Lights Not listed

Frequencies

Tower hours 0700-2300
CTAF 118.8
Tower 118.8
Ground 121.7
ATIS 121.35
UNICOM 122.95
ASOS 121.35

Night at KOSU, in short

When can I log night time at KOSU?

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 5:52 PM to 6:40 AM EST.

When do landings at KOSU 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 6:24 PM to 6:09 AM EST.

When are position lights required at KOSU?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:24 PM to 7:09 AM EST.

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.