LogNight

KGPI Glacier Park International night times

Kalispell, MT · FAA GPI

Night of Nov 6 to Nov 7MST

Position lights

§ 91.209

5:10 PMto7:32 AM

Sunset to sunrise. Lights on.

0010Z to 1432Z

Night logging

§ 1.1

5:43 PMto6:59 AM

Civil twilight. Log it as night.

0043Z to 1359Z

Night currency

§ 61.57(b)

6:10 PMto6:32 AM

One hour after sunset. Landings count.

0110Z to 1332Z

Other dates, moon, and night hours

Evenings at KGPI

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

Date SunsetLights onCivil twilight endsLog night1 hr after sunsetLandings count
Nov 1MST 5:18 PM5:50 PM6:18 PM
Nov 15MST 4:58 PM5:32 PM5:58 PM
Dec 1MST 4:45 PM5:21 PM5:45 PM
Dec 15MST 4:43 PM5:20 PM5:43 PM
Jan 1MST 4:53 PM5:30 PM5:53 PM
Jan 15MST 5:10 PM5:46 PM6:10 PM
Feb 1MST 5:36 PM6:10 PM6:36 PM
Feb 15MST 5:59 PM6:31 PM6:59 PM
Mar 1MST 6:21 PM6:52 PM7:21 PM
Mar 15MDT 7:42 PM8:13 PM8:42 PM
Apr 1MDT 8:07 PM8:39 PM9:07 PM
Apr 15MDT 8:28 PM9:01 PM9:28 PM
May 1MDT 8:51 PM9:26 PM9:51 PM
May 15MDT 9:10 PM9:48 PM10:10 PM
Jun 1MDT 9:30 PM10:10 PM10:30 PM
Jun 15MDT 9:40 PM10:21 PM10:40 PM
Jul 1MDT 9:41 PM10:23 PM10:41 PM
Jul 15MDT 9:34 PM10:13 PM10:34 PM
Aug 1MDT 9:14 PM9:50 PM10:14 PM
Aug 15MDT 8:51 PM9:25 PM9:51 PM
Sep 1MDT 8:19 PM8:51 PM9:19 PM
Sep 15MDT 7:50 PM8:21 PM8:50 PM
Oct 1MDT 7:16 PM7:47 PM8:16 PM
Oct 15MDT 6:48 PM7:20 PM7:48 PM

Mornings at KGPI

When each night ends. Local time.

Date 1 hr before sunriseLandings stop countingCivil twilight beginsNight logging endsSunriseLights off
Nov 1MST 6:23 AM6:50 AM7:23 AM
Nov 15MST 6:45 AM7:11 AM7:45 AM
Dec 1MST 7:07 AM7:31 AM8:07 AM
Dec 15MST 7:22 AM7:45 AM8:22 AM
Jan 1MST 7:28 AM7:52 AM8:28 AM
Jan 15MST 7:23 AM7:48 AM8:23 AM
Feb 1MST 7:06 AM7:32 AM8:06 AM
Feb 15MST 6:44 AM7:12 AM7:44 AM
Mar 1MST 6:18 AM6:47 AM7:18 AM
Mar 15MDT 6:50 AM7:19 AM7:50 AM
Apr 1MDT 6:15 AM6:44 AM7:15 AM
Apr 15MDT 5:47 AM6:14 AM6:47 AM
May 1MDT 5:18 AM5:43 AM6:18 AM
May 15MDT 4:57 AM5:20 AM5:57 AM
Jun 1MDT 4:40 AM5:00 AM5:40 AM
Jun 15MDT 4:36 AM4:54 AM5:36 AM
Jul 1MDT 4:40 AM4:59 AM5:40 AM
Jul 15MDT 4:52 AM5:12 AM5:52 AM
Aug 1MDT 5:12 AM5:35 AM6:12 AM
Aug 15MDT 5:31 AM5:57 AM6:31 AM
Sep 1MDT 5:55 AM6:22 AM6:55 AM
Sep 15MDT 6:14 AM6:42 AM7:14 AM
Oct 1MDT 6:36 AM7:05 AM7:36 AM
Oct 15MDT 6:57 AM7:25 AM7:57 AM

Lights and runways

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

Field elevation 2,977 ft MSL
Airport lights See remarks below
Beacon White and green, sunset to sunrise
Wind indicator Lighted

ACTVT MALSR RWY 02; REIL RWY 20; HIRL RWY 02/20; MIRL RWY 12/30 - CTAF. PAPI RWY 02, 20 & 30 OPR CONSLY.

Runway 02/20

9,007 × 150 ft · Asphalt

Edge lights High intensity (HIRL)
02 MALSR · 4-light PAPI, left
20 4-light PAPI, left · REIL

Runway 12/30

3,510 × 75 ft · Asphalt

Edge lights Medium intensity (MIRL)
12 None listed
30 2-light PAPI, left

Frequencies

Tower hours 0800-0000
CTAF 124.55
Tower 124.55
Ground 121.6
ATIS 132.625
UNICOM 122.95
ASOS 132.625

Night at KGPI, in short

When can I log night time at KGPI?

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 5:43 PM to 6:59 AM MST.

When do landings at KGPI 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 6:32 AM MST.

When are position lights required at KGPI?

From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 5:10 PM to 7:32 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.