Suggested Searches

International Observe the Moon Night

An annual celebration of lunar observation, science, and exploration.
Image credit: lunar observer Leonardo Hoet

Composite of a photo of group of people outdoors for International Observe the Moon Night. In the foreground, a woman stand near a large telescope and holds her phone camera to the eyepiece as some kids stand an watch. An image of the Moon and also swirling lines are overlaid over the photo.

About Earth's Moon

Tides, phases, and more — NASA's site for lunar science.

Daily Moon Guide

NASA's interactive map for observing the Moon, every day of the year.

Get Updates

International Observe the Moon Night updates and lunar science highlights, straight to your inbox.

Get Connected

Join our worldwide community. 

Save the Date: September 19, 2026

You're invited! Observe the Moon with NASA.

Each year, observers around the world come together to celebrate Earth's Moon through direct observations, hands-on activities, lunar-themed music, artwork, readings, and more.

Join in from wherever you are: Attend or host a virtual or in-person event, or observe the Moon from home.

Learn More
Stylized illustration of silhouettes of people looking up at a graphic "Observe the Moon" in the night sky. The sky is faded with the title translated into different languages.
NASA/Vi Nguyen

Host a community event, or observe on your own.

No matter how you plan to observe the Moon, you're invited to mark your participation and become an official part of the International Observe the Moon Night community.

Go

International Observe the Moon Night 2026

Registration is Open

Explore More

Two young students in tan uniforms with red scarves sit at tan desks with printed sheets on top and colored pencils. The sheets show the Earth in the center with blank circles around it representing the Moon. The student on the left is placing a creme cookie on one of the circles.

Rain or Shine Resources

Creative ways to observe the Moon, no matter the weather.

More

Hands-On Activities

Suitable for a variety of age groups and adaptable for your event.

More

Featured Observers

Browse guest posts from International Observe the Moon Night event hosts around the world.

More
Graphic illustration of an envelope with the Observe the Moon logo and confetti

Stay In Touch

Get updates on International Observe the Moon Night, plus NASA lunar science and exploration news.

More

8 easy steps to make your International Observe the Moon Night event a success.

Whether you're planning a small gathering of friends and family, a virtual program, or a large, in-person public event, we've got you covered!

Go

Event Planning Guide

How to Host: The Basics

Collage of photos: phases of the Moon, girl looking a telescope, astronaut kneeling on the surface of the Moon, a Moon lander, presentation screen and audience, Event Planning Webinar graphic, printouts of the Moon map on a tabletop.

Featured Resources

A page of the Moon journal. There are rows of empty circles to represent the days in the month.

Moon Observation Journal

Spend the next month getting to know the Moon. 

Black and white image shows now-frozen grey lobes of flow that came from the lower right. Sunlight boulders moved by the flow appear as irregular white lumps.

Artemis II: Observe the Moon Like an Astronaut

In this activity, you’ll use real images from NASA’s Lunar Reconnaissance Orbiter to spot craters, mountains, and other features on the lunar surface. 

Curated Resources One-Pager

Printable, single-page handout with links to many key International Observe the Moon Night resources.

Moon Phase and Libration, 2026

Hour-by-hour Moon phase data for all of 2026, visualized using data from NASA's LRO (Lunar Reconnaissance Orbiter).

Keep Exploring

Discover More Topics From NASA

Earth’s Moon

The Moon makes Earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's…

Lunar Reconnaissance Orbiter

NASA's Lunar Reconnaissance Orbiter (LRO) was sent to the Moon to make high-resolution maps of the composition of the lunar…

Nancy Grace Roman Space Telescope

The Nancy Grace Roman Space Telescope will settle essential questions in the areas of dark energy, exoplanets, and astrophysics.

Skywatching