>>12626238 (LB)
On January 20 the Moon is in the First Quarter phase, which occurs about a week after the New Moon.
This means exactly half of the Moon is illuminated and the other half is dark.
You can see the Moon high overhead at sunset until midnight, when it will set in the West.
On January 21, the Moon will be in its Waxing phase, with the moon becoming brighter each day until the Full Moon. -Dark to Light