The 'moon' in one sense signifies self-derived intelligence and faith grounded in a person's self. The 'moon' also signifies the Lord in reference to faith, and thus faith in the Lord. It can additionally mean mean spiritual good or truth.

'Until the moon is not,' as in Psalm 72:5, means that faith would become love.

(Odkazy: Arcana Coelestia 1529, 7083)

99. XXIII. The New Church about to be established by the Lord is the New Jerusalem treated of in the Revelation, chapters 21 and 22, which is there called the Bride and Wife of the Lamb.