LogNight

M35 Lindey's Landing West night times

Seeley Lake, MT · Seaplane base

Night of Nov 6 to Nov 7MST

Position lights

§ 91.209

5:10 PMto7:26 AM

Sunset to sunrise. Lights on.

0010Z to 1426Z

Night logging

§ 1.1

5:42 PMto6:54 AM

Civil twilight. Log it as night.

0042Z to 1354Z

Night currency

§ 61.57(b)

6:10 PMto6:26 AM

One hour after sunset. Landings count.

0110Z to 1326Z

Other dates, moon, and night hours

Evenings at M35

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

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1MST 5:17 PM5:49 PM6:17 PM
Nov 15MST 4:59 PM5:32 PM5:59 PM
Dec 1MST 4:46 PM5:21 PM5:46 PM
Dec 15MST 4:44 PM5:20 PM5:44 PM
Jan 1MST 4:55 PM5:30 PM5:55 PM
Jan 15MST 5:11 PM5:46 PM6:11 PM
Feb 1MST 5:36 PM6:09 PM6:36 PM
Feb 15MST 5:58 PM6:29 PM6:58 PM
Mar 1MST 6:19 PM6:50 PM7:19 PM
Mar 15MDT 7:39 PM8:10 PM8:39 PM
Apr 1MDT 8:03 PM8:34 PM9:03 PM
Apr 15MDT 8:23 PM8:55 PM9:23 PM
May 1MDT 8:45 PM9:19 PM9:45 PM
May 15MDT 9:03 PM9:40 PM10:03 PM
Jun 1MDT 9:22 PM10:01 PM10:22 PM
Jun 15MDT 9:32 PM10:12 PM10:32 PM
Jul 1MDT 9:33 PM10:13 PM10:33 PM
Jul 15MDT 9:26 PM10:04 PM10:26 PM
Aug 1MDT 9:07 PM9:43 PM10:07 PM
Aug 15MDT 8:45 PM9:19 PM9:45 PM
Sep 1MDT 8:14 PM8:45 PM9:14 PM
Sep 15MDT 7:46 PM8:17 PM8:46 PM
Oct 1MDT 7:14 PM7:44 PM8:14 PM
Oct 15MDT 6:46 PM7:17 PM7:46 PM

Mornings at M35

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1MST 6:17 AM6:45 AM7:17 AM
Nov 15MST 6:38 AM7:05 AM7:38 AM
Dec 1MST 7:00 AM7:25 AM8:00 AM
Dec 15MST 7:14 AM7:38 AM8:14 AM
Jan 1MST 7:20 AM7:45 AM8:20 AM
Jan 15MST 7:16 AM7:42 AM8:16 AM
Feb 1MST 6:59 AM7:27 AM7:59 AM
Feb 15MST 6:39 AM7:07 AM7:39 AM
Mar 1MST 6:14 AM6:43 AM7:14 AM
Mar 15MDT 6:47 AM7:17 AM7:47 AM
Apr 1MDT 6:13 AM6:42 AM7:13 AM
Apr 15MDT 5:46 AM6:14 AM6:46 AM
May 1MDT 5:18 AM5:44 AM6:18 AM
May 15MDT 4:58 AM5:22 AM5:58 AM
Jun 1MDT 4:42 AM5:03 AM5:42 AM
Jun 15MDT 4:38 AM4:58 AM5:38 AM
Jul 1MDT 4:42 AM5:02 AM5:42 AM
Jul 15MDT 4:53 AM5:15 AM5:53 AM
Aug 1MDT 5:13 AM5:37 AM6:13 AM
Aug 15MDT 5:31 AM5:57 AM6:31 AM
Sep 1MDT 5:53 AM6:21 AM6:53 AM
Sep 15MDT 6:11 AM6:41 AM7:11 AM
Oct 1MDT 6:33 AM7:02 AM7:33 AM
Oct 15MDT 6:52 AM7:21 AM7:52 AM

Lights and runways

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

Field elevation 3,993 ft MSL
Airport lights Not listed
Beacon Not listed
Wind indicator Not lighted

Runway 12/30

14,000 × 1000 ft · Water

Edge lights Not listed
12 None listed
30 None listed

Frequencies

CTAF 122.9

Night at M35, in short

When can I log night time at M35?

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 5:42 PM to 6:54 AM MST.

When do landings at M35 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 6:10 PM to 6:26 AM MST.

When are position lights required at M35?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:10 PM to 7:26 AM MST.

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.