What is a full moon?

Full moon happens when the moon is most opposite the sun for any given month. The next full moon is January 10 at 19:21 UTC.

What is a new moon?

New moons generally can’t be seen. They cross the sky with the sun during the day. The next new moon happens on January 24, 2020 at 21:42 UTC.

Last quarter moon after rising, lighted portion facing straight downward.

Last quarter moon is January 17

The moon reaches its last quarter phase on January 17, 2020 at 12:58 UTC. In the coming week, watch for it to rise in the east in the hours after midnight, waning thinner each morning.

A precisely half-illuminated moon.

1st quarter moon is February 1-2

The next 1st quarter moon will come on February 2, 2020 at 1:42 UTC. That’s the evening of February 1 for clocks in the Americas. As viewed from anywhere on Earth, a 1st quarter moon is high up at sunset, looking like half a pie.

What is a waning crescent moon?

A waning crescent moon is up in the east before sunrise. It’s waning toward new moon, when the moon will be between the Earth and sun.

Do we all see the same moon phase?

One Earth. One sky. One moon phase (more or less) from all of Earth. So why (and how) does the moon look different from different parts of Earth?

Top 4 keys to understanding moon phases

The most important key is to think of the moon as a world in space, with a day and night side.

What is a waning gibbous moon?

A waning gibbous moon is a moon between full and last quarter. Watch for this moon phase from late night through early morning.

Crescent moon shot with a blue filter, so that the darkened portion of the moon looks blue.

What is a waxing crescent moon?

Many people report seeing earthshine on a waxing crescent moon. That’s when the darkened portion of the crescent glows dimly with light reflected from Earth.

What’s the youngest moon you can see?

It’s rare to see a moon within 24 hours of new moon. This week, we received a couple of images of even-younger moons. What’s the youngest moon you can see? Info and pics here.

What is a waxing gibbous moon?

A waxing gibbous moon appears more than half lighted, but less than full. It rises before sundown and sets somewhere between midnight and dawn.

Quarter moon or a half moon?

Half the moon always faces us. And half the moon is always lit by the sun. But, in the language of astronomers, there are no ‘half moons.’