Lunar Calendar Month August 2020 (Puerto Rico)

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 San Juan, Puerto Rico during August 2020.

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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
full moon	2020-08-03	11:59
3rd quarter	2020-08-11	12:45
new moon	2020-08-18	22:42
1st quarter	2020-08-25	13:58

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during August 2020.

Position	Dates	Time	Distance	Notes
Apogee	2020-08-09	09:52	404,657 km
Perigee	2020-08-21	07:00	363,512 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	2020-08-01 19:30
Saturn	2020-08-02 09:17
Mars	2020-08-09 03:57
Venus	2020-08-15 09:01
Jupiter	2020-08-28 21:33
Saturn	2020-08-29 12:40

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of August 2020.

August 2020
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 31	27Monday	28Tuesday	29Wednesday	30Thursday	31Friday	1Saturday 93.1% illuminated Age:12.3	2Sunday 97.6% illuminated Age:13.3
Week 32	3Monday 99.7% illuminated Age:14.3	4Tuesday 99.7% illuminated Age:15.3	5Wednesday 97.6% illuminated Age:16.2	6Thursday 93.6% illuminated Age:17.2	7Friday 88.1% illuminated Age:18.1	8Saturday 81.1% illuminated Age:19	9Sunday 73.2% illuminated Age:19.9
Week 33	10Monday 64.4% illuminated Age:20.8	11Tuesday 55.1% illuminated Age:21.7	12Wednesday 45.5% illuminated Age:22.6	13Thursday 36% illuminated Age:23.5	14Friday 26.7% illuminated Age:24.4	15Saturday 18.2% illuminated Age:25.4	16Sunday 10.7% illuminated Age:26.4
Week 34	17Monday 4.9% illuminated Age:27.4	18Tuesday 1.2% illuminated Age:28.5	19Wednesday 0% illuminated Age:0.1	20Thursday 1.6% illuminated Age:1.2	21Friday 6% illuminated Age:2.3	22Saturday 12.9% illuminated Age:3.5	23Sunday 21.8% illuminated Age:4.6
Week 35	24Monday 32.2% illuminated Age:5.7	25Tuesday 43.3% illuminated Age:6.8	26Wednesday 54.6% illuminated Age:7.8	27Thursday 65.4% illuminated Age:8.9	28Friday 75.3% illuminated Age:9.9	29Saturday 83.9% illuminated Age:10.9	30Sunday 90.8% illuminated Age:11.9
Week 36	31Monday 95.8% illuminated Age:12.8	1Tuesday	2Wednesday	3Thursday	4Friday	5Saturday	6Sunday
	7Monday	8Tuesday	9Wednesday	10Thursday	11Friday	12Saturday	13Sunday