Looking at the day and night map and filling in different days (with either a full or new moon) from the phase calendar, it seems that

there is a full moon when the moon is on the latitude furthest away from the sun’s latitude location and (in its monthly pathway, latitude-wise)

that there is a new moon when the moon is on (more or less) the same latitude as the sun’s latitude location

.

Do you notice the same when looking at this map (obviously ignoring the time of the day and the …