LogNight

KONZ Grosse Ile Municipal night times

Detroit/Grosse Ile, MI · FAA ONZ

Night of Nov 6 to Nov 7EST

Position lights

§ 91.209

5:20 PMto7:13 AM

Sunset to sunrise. Lights on.

2220Z to 1213Z

Night logging

§ 1.1

5:50 PMto6:44 AM

Civil twilight. Log it as night.

2250Z to 1144Z

Night currency

§ 61.57(b)

6:20 PMto6:13 AM

One hour after sunset. Landings count.

2320Z to 1113Z

Other dates, moon, and night hours

Evenings at KONZ

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

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1EST 5:26 PM5:55 PM6:26 PM
Nov 15EST 5:11 PM5:41 PM6:11 PM
Dec 1EST 5:02 PM5:33 PM6:02 PM
Dec 15EST 5:02 PM5:33 PM6:02 PM
Jan 1EST 5:12 PM5:43 PM6:12 PM
Jan 15EST 5:26 PM5:57 PM6:26 PM
Feb 1EST 5:47 PM6:17 PM6:47 PM
Feb 15EST 6:05 PM6:34 PM7:05 PM
Mar 1EST 6:23 PM6:51 PM7:23 PM
Mar 15EDT 7:39 PM8:07 PM8:39 PM
Apr 1EDT 7:58 PM8:26 PM8:58 PM
Apr 15EDT 8:14 PM8:43 PM9:14 PM
May 1EDT 8:32 PM9:02 PM9:32 PM
May 15EDT 8:47 PM9:19 PM9:47 PM
Jun 1EDT 9:02 PM9:36 PM10:02 PM
Jun 15EDT 9:10 PM9:45 PM10:10 PM
Jul 1EDT 9:12 PM9:47 PM10:12 PM
Jul 15EDT 9:07 PM9:40 PM10:07 PM
Aug 1EDT 8:52 PM9:23 PM9:52 PM
Aug 15EDT 8:33 PM9:03 PM9:33 PM
Sep 1EDT 8:07 PM8:35 PM9:07 PM
Sep 15EDT 7:42 PM8:10 PM8:42 PM
Oct 1EDT 7:14 PM7:42 PM8:14 PM
Oct 15EDT 6:51 PM7:19 PM7:51 PM

Mornings at KONZ

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1EST 6:06 AM6:37 AM7:06 AM
Nov 15EST 6:23 AM6:53 AM7:23 AM
Dec 1EST 6:41 AM7:10 AM7:41 AM
Dec 15EST 6:54 AM7:22 AM7:54 AM
Jan 1EST 7:01 AM7:29 AM8:01 AM
Jan 15EST 6:59 AM7:28 AM7:59 AM
Feb 1EST 6:46 AM7:16 AM7:46 AM
Feb 15EST 6:29 AM7:00 AM7:29 AM
Mar 1EST 6:08 AM6:40 AM7:08 AM
Mar 15EDT 6:45 AM7:17 AM7:45 AM
Apr 1EDT 6:16 AM6:47 AM7:16 AM
Apr 15EDT 5:52 AM6:23 AM6:52 AM
May 1EDT 5:29 AM5:58 AM6:29 AM
May 15EDT 5:12 AM5:40 AM6:12 AM
Jun 1EDT 4:59 AM5:26 AM5:59 AM
Jun 15EDT 4:56 AM5:22 AM5:56 AM
Jul 1EDT 5:00 AM5:26 AM6:00 AM
Jul 15EDT 5:10 AM5:37 AM6:10 AM
Aug 1EDT 5:26 AM5:54 AM6:26 AM
Aug 15EDT 5:40 AM6:10 AM6:40 AM
Sep 1EDT 5:58 AM6:29 AM6:58 AM
Sep 15EDT 6:13 AM6:44 AM7:13 AM
Oct 1EDT 6:29 AM7:02 AM7:29 AM
Oct 15EDT 6:45 AM7:17 AM7:45 AM

Lights and runways

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

Field elevation 591 ft MSL
Airport lights See remarks below
Beacon White and green, sunset to sunrise
Wind indicator Lighted

ACTVT REIL RWY 04 & 22; PAPI RWY 04, 22, 17, & 35; MIRL RWY 04/22 & 17/35 - CTAF.

Runway 04/22

4,846 × 100 ft · Asphalt

Edge lights Medium intensity (MIRL)
04 4-light PAPI, left · REIL
22 4-light PAPI, left · REIL

Runway 17/35

4,424 × 75 ft · Concrete

Edge lights Medium intensity (MIRL)
17 4-light PAPI, left
35 4-light PAPI, left

Helipad H1

25 × 25 ft · Concrete

Lights Not listed

Helipad H2

25 × 25 ft · Concrete

Lights Not listed

Frequencies

CTAF 123.0
UNICOM 123.0
AWOS-3P 119.675

Night at KONZ, in short

When can I log night time at KONZ?

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 5:50 PM to 6:44 AM EST.

When do landings at KONZ 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 6:20 PM to 6:13 AM EST.

When are position lights required at KONZ?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:20 PM to 7:13 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.