LogNight

KGYI North Texas Regional/Perrin Field night times

Sherman/Denison, TX · FAA GYI

Night of Nov 6 to Nov 7CST

Position lights

§ 91.209

5:30 PMto6:51 AM

Sunset to sunrise. Lights on.

2330Z to 1251Z

Night logging

§ 1.1

5:56 PMto6:25 AM

Civil twilight. Log it as night.

2356Z to 1225Z

Night currency

§ 61.57(b)

6:30 PMto5:51 AM

One hour after sunset. Landings count.

0030Z to 1151Z

Other dates, moon, and night hours

Evenings at KGYI

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

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1CST 5:34 PM6:00 PM6:34 PM
Nov 15CST 5:24 PM5:50 PM6:24 PM
Dec 1CST 5:18 PM5:45 PM6:18 PM
Dec 15CST 5:20 PM5:47 PM6:20 PM
Jan 1CST 5:29 PM5:57 PM6:29 PM
Jan 15CST 5:41 PM6:08 PM6:41 PM
Feb 1CST 5:58 PM6:24 PM6:58 PM
Feb 15CST 6:11 PM6:36 PM7:11 PM
Mar 1CST 6:23 PM6:48 PM7:23 PM
Mar 15CDT 7:34 PM7:59 PM8:34 PM
Apr 1CDT 7:47 PM8:12 PM8:47 PM
Apr 15CDT 7:58 PM8:23 PM8:58 PM
May 1CDT 8:10 PM8:37 PM9:10 PM
May 15CDT 8:21 PM8:48 PM9:21 PM
Jun 1CDT 8:32 PM9:01 PM9:32 PM
Jun 15CDT 8:39 PM9:08 PM9:39 PM
Jul 1CDT 8:41 PM9:10 PM9:41 PM
Jul 15CDT 8:38 PM9:06 PM9:38 PM
Aug 1CDT 8:27 PM8:54 PM9:27 PM
Aug 15CDT 8:13 PM8:39 PM9:13 PM
Sep 1CDT 7:52 PM8:18 PM8:52 PM
Sep 15CDT 7:33 PM7:58 PM8:33 PM
Oct 1CDT 7:11 PM7:36 PM8:11 PM
Oct 15CDT 6:53 PM7:18 PM7:53 PM

Mornings at KGYI

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1CST 5:46 AM6:20 AM6:46 AM
Nov 15CST 5:59 AM6:32 AM6:59 AM
Dec 1CST 6:13 AM6:46 AM7:13 AM
Dec 15CST 6:24 AM6:56 AM7:24 AM
Jan 1CST 6:31 AM7:04 AM7:31 AM
Jan 15CST 6:31 AM7:04 AM7:31 AM
Feb 1CST 6:23 AM6:57 AM7:23 AM
Feb 15CST 6:11 AM6:46 AM7:11 AM
Mar 1CST 5:55 AM6:30 AM6:55 AM
Mar 15CDT 6:37 AM7:12 AM7:37 AM
Apr 1CDT 6:14 AM6:49 AM7:14 AM
Apr 15CDT 5:56 AM6:31 AM6:56 AM
May 1CDT 5:38 AM6:12 AM6:38 AM
May 15CDT 5:26 AM5:58 AM6:26 AM
Jun 1CDT 5:17 AM5:49 AM6:17 AM
Jun 15CDT 5:16 AM5:47 AM6:16 AM
Jul 1CDT 5:20 AM5:51 AM6:20 AM
Jul 15CDT 5:27 AM5:59 AM6:27 AM
Aug 1CDT 5:39 AM6:11 AM6:39 AM
Aug 15CDT 5:49 AM6:22 AM6:49 AM
Sep 1CDT 6:01 AM6:35 AM7:01 AM
Sep 15CDT 6:10 AM6:45 AM7:10 AM
Oct 1CDT 6:21 AM6:56 AM7:21 AM
Oct 15CDT 6:31 AM7:06 AM7:31 AM

Lights and runways

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

Field elevation 749 ft MSL
Airport lights See remarks below
Beacon White and green, sunset to sunrise
Wind indicator Lighted

DUSK-DAWN. MIRL RWY 18L/36R PRESET LOW INTST; TO INCR INTST & ACTVT MALSR RWY 18L & MALS RWY 36R - CTAF.

Runway 18L/36R

9,000 × 150 ft · Asphalt

Edge lights Medium intensity (MIRL)
18L MALSR · 4-box VASI, left
36R MALS · 4-box VASI, left

Runway 18R/36L

4,008 × 100 ft · Asphalt

Edge lights Not listed
18R None listed
36L None listed

Frequencies

Tower hours 0700-1900
CTAF 120.575
Tower 120.575
Ground 124.125
ATIS 118.775
AWOS-3PT 118.775

Night at KGYI, in short

When can I log night time at KGYI?

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 5:56 PM to 6:25 AM CST.

When do landings at KGYI 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 5:51 AM CST.

When are position lights required at KGYI?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:30 PM to 6:51 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.