All hail to thee, Queen of heaven! Seven is the Moon's mystic number, because each one of its four phases is completed in seven days. Nineteen is a sacred number in Old Irish and Celtic lore, for the sequence of Moon phases within a single zodiac sign is repeated every 19 years. As...
Thou showest two horns to mark six days,
And on the seventh will divide thy crown in two.
On the fourteenth day, turn thy full face unto us.