Lunar Calendar Month March 2023 (Guernsey)

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 St Peter Port, Guernsey during March 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	2023-03-07	12:40
3rd quarter	2023-03-15	02:08
new moon	2023-03-21	17:23
1st quarter	2023-03-29	03:32

Apogee and perigee of the Moon

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

Position	Dates	Time	Distance
Apogee	2023-03-03	18:02	405,889 km
Perigee	2023-03-19	15:17	362,697 km
Apogee	2023-03-31	12:19	404,920 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
Pollux	2023-03-03 02:10
Antares	2023-03-14 00:21
Saturn	2023-03-19 15:20
Venus	2023-03-24 10:28
Pleiades	2023-03-25 23:42
Mars	2023-03-28 14:16
Pollux	2023-03-30 10:23

Illumination of the Moon

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

March 2023
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 9	27 Monday	28 Tuesday	1Wednesday 65.8% illuminated Age: 8.9	2Thursday 74.5% illuminated Age: 9.8	3Friday 82.3% illuminated Age: 10.7	4Saturday 88.9% illuminated Age: 11.6	5Sunday 94.1% illuminated Age: 12.5
Week 10	6Monday 97.8% illuminated Age: 13.4	7Tuesday 99.7% illuminated Age: 14.3	8Wednesday 99.8% illuminated Age: 15.2	9Thursday 97.9% illuminated Age: 16.1	10Friday 94.1% illuminated Age: 17.1	11Saturday 88.4% illuminated Age: 18	12Sunday 81% illuminated Age: 19
Week 11	13Monday 72% illuminated Age: 20	14Tuesday 61.8% illuminated Age: 21	15Wednesday 50.9% illuminated Age: 22.1	16Thursday 39.7% illuminated Age: 23.1	17Friday 28.7% illuminated Age: 24.2	18Saturday 18.8% illuminated Age: 25.3	19Sunday 10.4% illuminated Age: 26.4
Week 12	20Monday 4.3% illuminated Age: 27.6	21Tuesday 0.8% illuminated Age: 28.7	22Wednesday 0.1% illuminated Age: 0.3	23Thursday 2.2% illuminated Age: 1.4	24Friday 6.7% illuminated Age: 2.5	25Saturday 13.1% illuminated Age: 3.5	26Sunday 21.1% illuminated Age: 4.5
Week 13	27Monday 29.5% illuminated Age: 5.4	28Tuesday 39% illuminated Age: 6.3	29Wednesday 48.6% illuminated Age: 7.2	30Thursday 58.1% illuminated Age: 8.1	31Friday 67.2% illuminated Age: 9	1 Saturday	2 Sunday
	3 Monday	4 Tuesday	5 Wednesday	6 Thursday	7 Friday	8 Saturday	9 Sunday
	10 Monday	11 Tuesday	12 Wednesday	13 Thursday	14 Friday	15 Saturday	16 Sunday