Lunar Calendar Month October 2021 (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 October 2021.

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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 phases	Dates	Time
new moon	2021-10-06	01:05
1st quarter	2021-10-12	17:25
full moon	2021-10-20	04:57
3rd quarter	2021-10-28	10:05

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during October 2021.

Position	Dates	Time	Distance	Notes
Perigee	2021-10-08	07:29	363,387 km
Apogee	2021-10-24	05:31	405,614 km

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 Objects	Date and Time
Beehive	2021-10-01 03:08
Venus	2021-10-09 08:36
Saturn	2021-10-13 21:12
Jupiter	2021-10-14 23:58
Pollux	2021-10-27 10:40
Beehive	2021-10-28 11:32

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of October 2021.

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

October 2021
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 39	27Monday	28Tuesday	29Wednesday	30Thursday	1Friday 27.8% illuminated Age:24.3	2Saturday 19.2% illuminated Age:25.3	3Sunday 11.6% illuminated Age:26.3
Week 40	4Monday 5.5% illuminated Age:27.3	5Tuesday 1.5% illuminated Age:28.4	6Wednesday 0% illuminated Age:29.5	7Thursday 1.2% illuminated Age:1.1	8Friday 5.3% illuminated Age:2.2	9Saturday 11.9% illuminated Age:3.3	10Sunday 20.6% illuminated Age:4.4
Week 41	11Monday 30.8% illuminated Age:5.5	12Tuesday 41.9% illuminated Age:6.6	13Wednesday 53.1% illuminated Age:7.7	14Thursday 64% illuminated Age:8.7	15Friday 74% illuminated Age:9.7	16Saturday 82.7% illuminated Age:10.7	17Sunday 89.8% illuminated Age:11.7
Week 42	18Monday 95.2% illuminated Age:12.7	19Tuesday 98.6% illuminated Age:13.6	20Wednesday 100% illuminated Age:14.6	21Thursday 99.4% illuminated Age:15.5	22Friday 97% illuminated Age:16.4	23Saturday 92.9% illuminated Age:17.3	24Sunday 87.3% illuminated Age:18.2
Week 43	25Monday 80.4% illuminated Age:19.1	26Tuesday 72.4% illuminated Age:20	27Wednesday 63.5% illuminated Age:20.9	28Thursday 54% illuminated Age:21.8	29Friday 44.1% illuminated Age:22.7	30Saturday 34.2% illuminated Age:23.7	31Sunday 24.7% illuminated Age:24.6
	1Monday	2Tuesday	3Wednesday	4Thursday	5Friday	6Saturday	7Sunday
	8Monday	9Tuesday	10Wednesday	11Thursday	12Friday	13Saturday	14Sunday