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Lunar Calendar Cook Islands 2025 › Moon Cook Islands September 2025

Lunar Calendar Month September 2025 (Cook Islands)

The Moon is the only natural satellite of the Earth and the fifth largest moon in the Solar System. It is the largest natural satellite in the solar system relative to the size of its planet. The following is information specific for Avarua, Cook Islands during September 2025.

Choose a country from the list to get relevant information:

Date and time of moon phases

The information in the following table comes from calculations published by the Astronomical Applications Department of the U.S. Naval Observatory.

Moon phasesDatesTime
full moon2025-09-0708:09
3rd quarter2025-09-1400:33
new moon2025-09-2109:54
1st quarter2025-09-2913:54

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during September 2025.

PositionDatesTimeDistanceNotes
Perigee2025-09-1002:11364,780 km
Apogee2025-09-2523:47405,551 km

Eclipses in September 2025

The following is information about eclipses occuring worldwide during September 2025. The eclipses listed here may be totally visible, partly visible or not visible in any part of Cook Islands.

TypeDatesSarosNotes
solar eclipse2025-09-21154
lunar eclipse2025-09-07128

Moon-Planet Conjunctions

A Moon-planet conjunction occurs when an astronomical object has either the same, or nearly the same, right ascension or the same ecliptic longitude of that of the Moon, as observed from Earth.

Astronomical ObjectsDate and Time
Saturn2025-09-08 10:09
Pleiades2025-09-12 11:48
Jupiter2025-09-16 01:06
Pollux2025-09-16 07:58
Beehive2025-09-17 07:24
Regulus2025-09-19 01:11
Venus2025-09-19 01:46
Spica2025-09-23 11:31
Mars2025-09-24 04:50
Antares2025-09-27 07:34

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 30 days of September 2025.

The information of the moon (phases of the moon, cycles of the moon) presented here applies to all the territory of Cook Islands.

September 2025
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 36
1Monday
 
61.1% illuminated
Age: 8.4
2Tuesday
 
70.3% illuminated
Age: 9.4
3Wednesday
 
79% illuminated
Age: 10.3
4Thursday
 
86.8% illuminated
Age: 11.3
5Friday
 
93.2% illuminated
Age: 12.3
6Saturday
 
97.7% illuminated
Age: 13.3
7Sunday
 
99.8% illuminated
Age: 14.4
Week 37
8Monday
 
99.4% illuminated
Age: 15.5
9Tuesday
 
96.2% illuminated
Age: 16.6
10Wednesday
 
90.4% illuminated
Age: 17.7
11Thursday
 
82.3% illuminated
Age: 18.8
12Friday
 
72.5% illuminated
Age: 20
13Saturday
 
61.7% illuminated
Age: 21
14Sunday
 
50.3% illuminated
Age: 22.1
Week 38
15Monday
 
39.2% illuminated
Age: 23.2
16Tuesday
 
28.8% illuminated
Age: 24.2
17Wednesday
 
19.5% illuminated
Age: 25.2
18Thursday
 
11.8% illuminated
Age: 26.2
19Friday
 
5.9% illuminated
Age: 27.2
20Saturday
 
2% illuminated
Age: 28.2
21Sunday
 
0.2% illuminated
Age: 29.1
Week 39
22Monday
 
0.3% illuminated
Age: 0.6
23Tuesday
 
2.4% illuminated
Age: 1.5
24Wednesday
 
6.3% illuminated
Age: 2.4
25Thursday
 
11.7% illuminated
Age: 3.3
26Friday
 
18.5% illuminated
Age: 4.2
27Saturday
 
26.4% illuminated
Age: 5.1
28Sunday
 
35.1% illuminated
Age: 6
Week 40
29Monday
 
44.5% illuminated
Age: 6.9
30Tuesday
 
54.2% illuminated
Age: 7.8
1 Wednesday
 
2 Thursday
 
3 Friday
 
4 Saturday
 
5 Sunday
 
6 Monday
 
7 Tuesday
 
8 Wednesday
 
9 Thursday
 
10 Friday
 
11 Saturday
 
12 Sunday
 
13 Monday
 
14 Tuesday
 
15 Wednesday
 
16 Thursday
 
17 Friday
 
18 Saturday
 
19 Sunday
 
Content last updated on 2018-10-21T17:33:00Z