Lunar Calendar Month October 2019 (Guam)

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 Hagåtña, Guam during October 2019.

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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
1st quarter	2019-10-06	02:47
full moon	2019-10-14	07:08
3rd quarter	2019-10-21	22:39
new moon	2019-10-28	13:38

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during October 2019.

Position	Dates	Time	Distance	Notes
Apogee	2019-10-11	04:30	405,901 km
Perigee	2019-10-26	20:42	361,314 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
Jupiter	2019-10-04 06:23
Saturn	2019-10-06 06:48
Beehive	2019-10-22 14:41
Venus	2019-10-29 23:33

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of October 2019.

October 2019
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 40	30Monday	1Tuesday 4.9% illuminated Age:2.1	2Wednesday 11.2% illuminated Age:3.2	3Thursday 19.3% illuminated Age:4.3	4Friday 28.7% illuminated Age:5.3	5Saturday 38.6% illuminated Age:6.3	6Sunday 48.8% illuminated Age:7.3
Week 41	7Monday 58.6% illuminated Age:8.2	8Tuesday 68% illuminated Age:9.1	9Wednesday 76.5% illuminated Age:10	10Thursday 84.1% illuminated Age:10.9	11Friday 90.3% illuminated Age:11.8	12Saturday 95.2% illuminated Age:12.7	13Sunday 98.4% illuminated Age:13.6
Week 42	14Monday 99.9% illuminated Age:14.5	15Tuesday 99.5% illuminated Age:15.4	16Wednesday 97.3% illuminated Age:16.3	17Thursday 93.1% illuminated Age:17.3	18Friday 87.1% illuminated Age:18.2	19Saturday 79.5% illuminated Age:19.2	20Sunday 70.4% illuminated Age:20.2
Week 43	21Monday 60.2% illuminated Age:21.2	22Tuesday 49.3% illuminated Age:22.2	23Wednesday 38.2% illuminated Age:23.3	24Thursday 27.4% illuminated Age:24.4	25Friday 17.6% illuminated Age:25.5	26Saturday 9.4% illuminated Age:26.6	27Sunday 3.6% illuminated Age:27.7
Week 44	28Monday 0.5% illuminated Age:28.9	29Tuesday 0.3% illuminated Age:0.5	30Wednesday 2.8% illuminated Age:1.6	31Thursday 7.8% illuminated Age:2.7	1Friday	2Saturday	3Sunday
	4Monday	5Tuesday	6Wednesday	7Thursday	8Friday	9Saturday	10Sunday
	11Monday	12Tuesday	13Wednesday	14Thursday	15Friday	16Saturday	17Sunday