Lunar Calendar Month May 2020 (Costa Rica)

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 José, Costa Rica during May 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	2020-05-07	04:45
3rd quarter	2020-05-14	08:03
new moon	2020-05-22	11:39
1st quarter	2020-05-29	21:30

Apogee and perigee of the Moon

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

Position	Dates	Time	Distance	Notes
Perigee	2020-05-05	21:05	359,655 km
Apogee	2020-05-18	01:46	405,583 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	2020-05-12 03:40
Saturn	2020-05-12 12:18
Mars	2020-05-14 20:01
Venus	2020-05-23 20:40
Mercury	2020-05-24 04:53
Beehive	2020-05-27 12:44

Illumination of the Moon

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

May 2020
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 18	27Monday	28Tuesday	29Wednesday	30Thursday	1Friday 54.5% illuminated Age:7.8	2Saturday 65.5% illuminated Age:8.9	3Sunday 76% illuminated Age:10
Week 19	4Monday 85.4% illuminated Age:11.1	5Tuesday 92.8% illuminated Age:12.2	6Wednesday 97.8% illuminated Age:13.4	7Thursday 99.9% illuminated Age:14.5	8Friday 99.1% illuminated Age:15.7	9Saturday 95.4% illuminated Age:16.8	10Sunday 89.5% illuminated Age:17.9
Week 20	11Monday 81.7% illuminated Age:18.9	12Tuesday 72.8% illuminated Age:19.9	13Wednesday 63.2% illuminated Age:20.9	14Thursday 53.3% illuminated Age:21.8	15Friday 43.6% illuminated Age:22.8	16Saturday 34.2% illuminated Age:23.7	17Sunday 25.5% illuminated Age:24.6
Week 21	18Monday 17.8% illuminated Age:25.4	19Tuesday 11.1% illuminated Age:26.3	20Wednesday 5.8% illuminated Age:27.2	21Thursday 2.2% illuminated Age:28.1	22Friday 0.2% illuminated Age:29.1	23Saturday 0.3% illuminated Age:0.5	24Sunday 2.3% illuminated Age:1.4
Week 22	25Monday 6.4% illuminated Age:2.4	26Tuesday 12.4% illuminated Age:3.4	27Wednesday 20.3% illuminated Age:4.4	28Thursday 29.6% illuminated Age:5.4	29Friday 40.1% illuminated Age:6.4	30Saturday 51.3% illuminated Age:7.5	31Sunday 62.6% illuminated Age:8.6
	1Monday	2Tuesday	3Wednesday	4Thursday	5Friday	6Saturday	7Sunday
	8Monday	9Tuesday	10Wednesday	11Thursday	12Friday	13Saturday	14Sunday