Waxing Crescent
A growing crescent becomes visible after new moon as the Moon moves eastward from the Sun in the sky.
Astronomy
A growing crescent becomes visible after new moon as the Moon moves eastward from the Sun in the sky. Phase boundaries in an eight-part model are conventions applied to a continuous change in lunar illumination.
Modern symbolic interpretation
Often used as a symbolic period for beginning to act on an intention and building early momentum.
This is an interpretive convention rather than a measured physical influence on human events.