LogNight

KIAH George Bush Intcntl/Houston night times

Houston, TX · FAA IAH

Night of Nov 6 to Nov 7CST

Position lights

§ 91.209

5:30 PMto6:40 AM

Sunset to sunrise. Lights on.

2330Z to 1240Z

Night logging

§ 1.1

5:55 PMto6:15 AM

Civil twilight. Log it as night.

2355Z to 1215Z

Night currency

§ 61.57(b)

6:30 PMto5:40 AM

One hour after sunset. Landings count.

0030Z to 1140Z

Other dates, moon, and night hours

Evenings at KIAH

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

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1CST 5:34 PM5:59 PM6:34 PM
Nov 15CST 5:25 PM5:51 PM6:25 PM
Dec 1CST 5:21 PM5:47 PM6:21 PM
Dec 15CST 5:23 PM5:50 PM6:23 PM
Jan 1CST 5:33 PM5:59 PM6:33 PM
Jan 15CST 5:44 PM6:10 PM6:44 PM
Feb 1CST 5:59 PM6:24 PM6:59 PM
Feb 15CST 6:10 PM6:34 PM7:10 PM
Mar 1CST 6:20 PM6:44 PM7:20 PM
Mar 15CDT 7:30 PM7:53 PM8:30 PM
Apr 1CDT 7:40 PM8:04 PM8:40 PM
Apr 15CDT 7:49 PM8:13 PM8:49 PM
May 1CDT 7:59 PM8:24 PM8:59 PM
May 15CDT 8:08 PM8:34 PM9:08 PM
Jun 1CDT 8:18 PM8:45 PM9:18 PM
Jun 15CDT 8:24 PM8:51 PM9:24 PM
Jul 1CDT 8:27 PM8:54 PM9:27 PM
Jul 15CDT 8:24 PM8:51 PM9:24 PM
Aug 1CDT 8:15 PM8:41 PM9:15 PM
Aug 15CDT 8:03 PM8:28 PM9:03 PM
Sep 1CDT 7:44 PM8:08 PM8:44 PM
Sep 15CDT 7:27 PM7:51 PM8:27 PM
Oct 1CDT 7:07 PM7:31 PM8:07 PM
Oct 15CDT 6:51 PM7:15 PM7:51 PM

Mornings at KIAH

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1CST 5:35 AM6:11 AM6:35 AM
Nov 15CST 5:47 AM6:21 AM6:47 AM
Dec 1CST 6:00 AM6:34 AM7:00 AM
Dec 15CST 6:10 AM6:43 AM7:10 AM
Jan 1CST 6:17 AM6:51 AM7:17 AM
Jan 15CST 6:18 AM6:52 AM7:18 AM
Feb 1CST 6:12 AM6:47 AM7:12 AM
Feb 15CST 6:01 AM6:37 AM7:01 AM
Mar 1CST 5:47 AM6:23 AM6:47 AM
Mar 15CDT 6:31 AM7:08 AM7:31 AM
Apr 1CDT 6:11 AM6:47 AM7:11 AM
Apr 15CDT 5:55 AM6:30 AM6:55 AM
May 1CDT 5:39 AM6:13 AM6:39 AM
May 15CDT 5:28 AM6:02 AM6:28 AM
Jun 1CDT 5:21 AM5:54 AM6:21 AM
Jun 15CDT 5:20 AM5:53 AM6:20 AM
Jul 1CDT 5:24 AM5:57 AM6:24 AM
Jul 15CDT 5:31 AM6:04 AM6:31 AM
Aug 1CDT 5:40 AM6:14 AM6:40 AM
Aug 15CDT 5:49 AM6:24 AM6:49 AM
Sep 1CDT 5:58 AM6:34 AM6:58 AM
Sep 15CDT 6:06 AM6:42 AM7:06 AM
Oct 1CDT 6:15 AM6:51 AM7:15 AM
Oct 15CDT 6:23 AM6:59 AM7:23 AM

Lights and runways

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

Field elevation 96 ft MSL
Airport lights Sunset to sunrise
Beacon White and green, sunset to sunrise
Wind indicator Lighted

RWY STATUS LGTS ARE IN OPN.

TWY NA LGT ALL BTN TWY WP AND TWY NP NOT STD

Runway 08L/26R

9,000 × 150 ft · Concrete

Edge lights High intensity (HIRL)
08L ALSF2 · Centerline · Touchdown zone
26R ALSF2 · Centerline · Touchdown zone

Runway 08R/26L

9,402 × 150 ft · Concrete

Edge lights High intensity (HIRL)
08R MALSR · 4-light PAPI, left · Centerline · Touchdown zone
26L ALSF2 · 4-light PAPI, right · Centerline · Touchdown zone

Runway 09/27

10,000 × 150 ft · Concrete

Edge lights High intensity (HIRL)
09 MALSR · 4-light PAPI, right · Centerline
27 ALSF2 · 4-light PAPI, left · Centerline · Touchdown zone

Runway 15L/33R

12,001 × 150 ft · Concrete

Edge lights High intensity (HIRL)
15L 4-light PAPI, right · Centerline
33R MALSR · Centerline

Runway 15R/33L

10,000 × 150 ft · Concrete

Edge lights High intensity (HIRL)
15R MALSR · 4-light PAPI, left · Centerline · Touchdown zone
33L 4-light PAPI, right · Centerline · Touchdown zone

Frequencies

Tower hours 24 hours
Tower 120.725, 125.35, 127.3, 135.15
Ground 118.575, 121.7
ATIS 124.05
UNICOM 122.95

Night at KIAH, in short

When can I log night time at KIAH?

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 5:55 PM to 6:15 AM CST.

When do landings at KIAH 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 5:40 AM CST.

When are position lights required at KIAH?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:30 PM to 6:40 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.