Lunar Calendar Month August 2023 (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 August 2023.

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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	2023-08-01	12:32
3rd quarter	2023-08-08	04:28
new moon	2023-08-16	03:38
1st quarter	2023-08-24	03:57
full moon	2023-08-30	19:35

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during August 2023.

Position	Dates	Time	Distance	Notes
Perigee	2023-08-01	23:53	357,309 km
Apogee	2023-08-16	05:56	406,634 km	Maximum apogee in 2023!
Perigee	2023-08-30	09:52	357,181 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
Saturn	2023-08-03 04:21
Jupiter	2023-08-08 03:41
Pleiades	2023-08-09 06:16
Pollux	2023-08-13 15:36
Mars	2023-08-18 17:06
Spica	2023-08-21 03:28
Antares	2023-08-24 19:30
Saturn	2023-08-30 12:03

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of August 2023.

August 2023
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 31	31 Monday	1Tuesday 99.6% illuminated Age: 14.2	2Wednesday 99.6% illuminated Age: 15.3	3Thursday 96.7% illuminated Age: 16.5	4Friday 90.9% illuminated Age: 17.7	5Saturday 82.8% illuminated Age: 18.8	6Sunday 73.2% illuminated Age: 19.9
Week 32	7Monday 62.8% illuminated Age: 20.9	8Tuesday 52% illuminated Age: 22	9Wednesday 41.5% illuminated Age: 22.9	10Thursday 31.7% illuminated Age: 23.9	11Friday 22.8% illuminated Age: 24.9	12Saturday 15.1% illuminated Age: 25.8	13Sunday 8.8% illuminated Age: 26.7
Week 33	14Monday 4.2% illuminated Age: 27.6	15Tuesday 1.2% illuminated Age: 28.5	16Wednesday 0% illuminated Age: 29.4	17Thursday 0.6% illuminated Age: 0.8	18Friday 3% illuminated Age: 1.6	19Saturday 7.2% illuminated Age: 2.5	20Sunday 12.9% illuminated Age: 3.5
Week 34	21Monday 20.1% illuminated Age: 4.4	22Tuesday 28.6% illuminated Age: 5.3	23Wednesday 38.1% illuminated Age: 6.3	24Thursday 48.4% illuminated Age: 7.2	25Friday 59.1% illuminated Age: 8.2	26Saturday 69.7% illuminated Age: 9.3	27Sunday 79.6% illuminated Age: 10.4
Week 35	28Monday 88.3% illuminated Age: 11.5	29Tuesday 94.9% illuminated Age: 12.6	30Wednesday 98.9% illuminated Age: 13.8	31Thursday 100% illuminated Age: 15	1 Friday	2 Saturday	3 Sunday
	4 Monday	5 Tuesday	6 Wednesday	7 Thursday	8 Friday	9 Saturday	10 Sunday
	11 Monday	12 Tuesday	13 Wednesday	14 Thursday	15 Friday	16 Saturday	17 Sunday