C66 Monmouth Municipal night times
Monmouth, IL
Night of Nov 6 to Nov 7CST
Position lights
§ 91.2094:53 PMto6:41 AM
Sunset to sunrise. Lights on.
2253Z to 1241Z
Night logging
§ 1.15:21 PMto6:12 AM
Civil twilight. Log it as night.
2321Z to 1212Z
Night currency
§ 61.57(b)5:53 PMto5:41 AM
One hour after sunset. Landings count.
2353Z to 1141Z
Evenings at C66
When each night begins, through the year. Local time.
| Date | SunsetLights on | Civil twilight endsLog night | 1 hr after sunsetLandings count |
|---|---|---|---|
| Nov 1CST | 4:58 PM | 5:27 PM | 5:58 PM |
| Nov 15CST | 4:44 PM | 5:13 PM | 5:44 PM |
| Dec 1CST | 4:35 PM | 5:06 PM | 5:35 PM |
| Dec 15CST | 4:35 PM | 5:06 PM | 5:35 PM |
| Jan 1CST | 4:45 PM | 5:16 PM | 5:45 PM |
| Jan 15CST | 4:59 PM | 5:29 PM | 5:59 PM |
| Feb 1CST | 5:20 PM | 5:49 PM | 6:20 PM |
| Feb 15CST | 5:37 PM | 6:05 PM | 6:37 PM |
| Mar 1CST | 5:53 PM | 6:21 PM | 6:53 PM |
| Mar 15CDT | 7:09 PM | 7:36 PM | 8:09 PM |
| Apr 1CDT | 7:27 PM | 7:55 PM | 8:27 PM |
| Apr 15CDT | 7:42 PM | 8:11 PM | 8:42 PM |
| May 1CDT | 7:59 PM | 8:29 PM | 8:59 PM |
| May 15CDT | 8:13 PM | 8:45 PM | 9:13 PM |
| Jun 1CDT | 8:28 PM | 9:01 PM | 9:28 PM |
| Jun 15CDT | 8:36 PM | 9:10 PM | 9:36 PM |
| Jul 1CDT | 8:38 PM | 9:12 PM | 9:38 PM |
| Jul 15CDT | 8:33 PM | 9:06 PM | 9:33 PM |
| Aug 1CDT | 8:19 PM | 8:49 PM | 9:19 PM |
| Aug 15CDT | 8:01 PM | 8:30 PM | 9:01 PM |
| Sep 1CDT | 7:35 PM | 8:03 PM | 8:35 PM |
| Sep 15CDT | 7:12 PM | 7:39 PM | 8:12 PM |
| Oct 1CDT | 6:45 PM | 7:12 PM | 7:45 PM |
| Oct 15CDT | 6:22 PM | 6:50 PM | 7:22 PM |
Mornings at C66
When each night ends. Local time.
| Date | 1 hr before sunriseLandings stop counting | Civil twilight beginsNight logging ends | SunriseLights off |
|---|---|---|---|
| Nov 1CST | 5:33 AM | 6:05 AM | 6:33 AM |
| Nov 15CST | 5:50 AM | 6:21 AM | 6:50 AM |
| Dec 1CST | 6:08 AM | 6:37 AM | 7:08 AM |
| Dec 15CST | 6:20 AM | 6:49 AM | 7:20 AM |
| Jan 1CST | 6:27 AM | 6:56 AM | 7:27 AM |
| Jan 15CST | 6:25 AM | 6:55 AM | 7:25 AM |
| Feb 1CST | 6:13 AM | 6:44 AM | 7:13 AM |
| Feb 15CST | 5:57 AM | 6:29 AM | 6:57 AM |
| Mar 1CST | 5:37 AM | 6:09 AM | 6:37 AM |
| Mar 15CDT | 6:14 AM | 6:47 AM | 7:14 AM |
| Apr 1CDT | 5:46 AM | 6:18 AM | 6:46 AM |
| Apr 15CDT | 5:24 AM | 5:55 AM | 6:24 AM |
| May 1CDT | 5:01 AM | 5:31 AM | 6:01 AM |
| May 15CDT | 4:45 AM | 5:14 AM | 5:45 AM |
| Jun 1CDT | 4:33 AM | 5:00 AM | 5:33 AM |
| Jun 15CDT | 4:30 AM | 4:57 AM | 5:30 AM |
| Jul 1CDT | 4:34 AM | 5:01 AM | 5:34 AM |
| Jul 15CDT | 4:43 AM | 5:11 AM | 5:43 AM |
| Aug 1CDT | 4:59 AM | 5:28 AM | 5:59 AM |
| Aug 15CDT | 5:12 AM | 5:43 AM | 6:12 AM |
| Sep 1CDT | 5:29 AM | 6:01 AM | 6:29 AM |
| Sep 15CDT | 5:43 AM | 6:15 AM | 6:43 AM |
| Oct 1CDT | 5:59 AM | 6:32 AM | 6:59 AM |
| Oct 15CDT | 6:14 AM | 6:46 AM | 7:14 AM |
Lights and runways
As the FAA lists them. NOTAMs aren't included, so check current NOTAMs before you fly.
ACTVT PAPI RWY 03 & 21; MIRL RWY 03/21 PRESET LOW INTST, TO INCR INTST & ACTVT - CTAF.
Runway 03/21
2,899 × 60 ft · Asphalt
Frequencies
Night at C66, in short
When can I log night time at C66?
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 5:21 PM to 6:12 AM CST.
When do landings at C66 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 5:53 PM to 5:41 AM CST.
When are position lights required at C66?
From sunset to sunrise (14 CFR 91.209(a)). On the night of Nov 6, 2026, that was 4:53 PM to 6:41 AM CST.
Nearby airports
- KGBG Galesburg Regional Hw Timmons Galesburg, IL · 9 nm
- KBRL Southeast Iowa Regional Burlington, IA · 24 nm
- KMQB Macomb Municipal Macomb, IL · 25 nm
- 2C6 Tri-County Yates City, IL · 27 nm
- KMLI Quad Cities International Moline, IL · 32 nm
- I04 Quad-City Moline, IL · 32 nm
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.