LogNight

6Y4 Van Effen Field night times

Rock, MI

Night of Nov 6 to Nov 7EST

Position lights

§ 91.209

5:28 PMto7:38 AM

Sunset to sunrise. Lights on.

2228Z to 1238Z

Night logging

§ 1.1

5:59 PMto7:07 AM

Civil twilight. Log it as night.

2259Z to 1207Z

Night currency

§ 61.57(b)

6:28 PMto6:38 AM

One hour after sunset. Landings count.

2328Z to 1138Z

Other dates, moon, and night hours

Evenings at 6Y4

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

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1EST 5:35 PM6:06 PM6:35 PM
Nov 15EST 5:17 PM5:50 PM6:17 PM
Dec 1EST 5:05 PM5:39 PM6:05 PM
Dec 15EST 5:04 PM5:39 PM6:04 PM
Jan 1EST 5:14 PM5:49 PM6:14 PM
Jan 15EST 5:30 PM6:04 PM6:30 PM
Feb 1EST 5:54 PM6:26 PM6:54 PM
Feb 15EST 6:15 PM6:46 PM7:15 PM
Mar 1EST 6:35 PM7:05 PM7:35 PM
Mar 15EDT 7:55 PM8:25 PM8:55 PM
Apr 1EDT 8:17 PM8:48 PM9:17 PM
Apr 15EDT 8:36 PM9:07 PM9:36 PM
May 1EDT 8:57 PM9:30 PM9:57 PM
May 15EDT 9:15 PM9:50 PM10:15 PM
Jun 1EDT 9:33 PM10:10 PM10:33 PM
Jun 15EDT 9:42 PM10:20 PM10:42 PM
Jul 1EDT 9:44 PM10:22 PM10:44 PM
Jul 15EDT 9:37 PM10:14 PM10:37 PM
Aug 1EDT 9:19 PM9:53 PM10:19 PM
Aug 15EDT 8:58 PM9:31 PM9:58 PM
Sep 1EDT 8:28 PM8:59 PM9:28 PM
Sep 15EDT 8:01 PM8:31 PM9:01 PM
Oct 1EDT 7:29 PM7:59 PM8:29 PM
Oct 15EDT 7:03 PM7:33 PM8:03 PM

Mornings at 6Y4

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1EST 6:30 AM6:59 AM7:30 AM
Nov 15EST 6:50 AM7:17 AM7:50 AM
Dec 1EST 7:11 AM7:37 AM8:11 AM
Dec 15EST 7:24 AM7:50 AM8:24 AM
Jan 1EST 7:31 AM7:57 AM8:31 AM
Jan 15EST 7:27 AM7:54 AM8:27 AM
Feb 1EST 7:12 AM7:40 AM8:12 AM
Feb 15EST 6:52 AM7:21 AM7:52 AM
Mar 1EST 6:28 AM6:58 AM7:28 AM
Mar 15EDT 7:02 AM7:32 AM8:02 AM
Apr 1EDT 6:29 AM6:59 AM7:29 AM
Apr 15EDT 6:03 AM6:32 AM7:03 AM
May 1EDT 5:36 AM6:03 AM6:36 AM
May 15EDT 5:17 AM5:42 AM6:17 AM
Jun 1EDT 5:02 AM5:24 AM6:02 AM
Jun 15EDT 4:57 AM5:19 AM5:57 AM
Jul 1EDT 5:02 AM5:24 AM6:02 AM
Jul 15EDT 5:13 AM5:36 AM6:13 AM
Aug 1EDT 5:31 AM5:57 AM6:31 AM
Aug 15EDT 5:48 AM6:16 AM6:48 AM
Sep 1EDT 6:10 AM6:39 AM7:10 AM
Sep 15EDT 6:27 AM6:57 AM7:27 AM
Oct 1EDT 6:47 AM7:17 AM7:47 AM
Oct 15EDT 7:06 AM7:36 AM8:06 AM

Lights and runways

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

Field elevation 970 ft MSL
Airport lights Not listed
Beacon Not listed
Wind indicator Not lighted

Runway 12/30

2,600 × 100 ft · Turf

Edge lights Not listed
12 None listed
30 None listed

Frequencies

CTAF 122.9

Night at 6Y4, in short

When can I log night time at 6Y4?

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 5:59 PM to 7:07 AM EST.

When do landings at 6Y4 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 6:28 PM to 6:38 AM EST.

When are position lights required at 6Y4?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:28 PM to 7:38 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.