What is a waning crescent moon?
You’ll see a waning crescent moon – sometimes called an old moon – in the east before dawn.
On each successive morning, a waning crescent moon will show us less and less of its lighted portion, or day side. Each day, it rises closer to the sunrise, heading for new moon, when the moon will be between the Earth and sun.
The illuminated side of a waning crescent moon always points eastward, or in the direction of sunrise.
What’s more, the lit side of waning crescent points in the direction of the moon’s daily motion relative to the backdrop stars and planets of the zodiac. That direction is also east.
Many people miss the waning crescent moon because it’s a morning moon, visible before sunrise. But it’s fun to follow the waning crescent day by day, as it inches into the dawn glare.
As the moon orbits Earth, it changes phase in an orderly way. Follow the links below to understand the phases of the moon.