The cycle from new Moon to full Moon and back, about 29.5 days, set by the angle between the Moon and the Sun. New is for beginning, full is for culmination and what becomes visible. One full turn of that cycle is a lunation, and the quarters divide it at the two squares between them.
A phase is a Sun–Moon aspect and reads as one: the new Moon is their conjunction, the full Moon their opposition, and both are felt most where they land in your own chart.
beginnings, culminations, and the monthly rhythm underneath both.
A full Moon on a natal Venus brings a relationship question to its visible peak rather than starting one.
See what Moon phases is doing in your chart right now
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