International Observe the Moon Night 2025 is an exciting global event that invites individuals from all corners of the world to come together and appreciate the Moon’s beauty while exploring lunar science and culture. Scheduled for October 4, 2025, this year’s celebration is anticipated to attract nearly one million participants through over 700 officially organized events, along with numerous independent viewing opportunities.
Established in 2010, this annual occasion aims to spark interest in lunar science and to foster a deeper appreciation for the Moon’s significance. NASA anticipates a variety of events, including public telescope viewings and engaging livestreams, tailored to accommodate everyone from casual observers to seasoned astronomers. Continue reading to discover the details on the date, time, and methods for experiencing live lunar events, as well as how you can join in the global festivities.
What is International Observe the Moon Night 2025?
The International Observe the Moon Night 2025 is an initiative spearheaded by NASA. This worldwide celebration invites everyone to observe the Moon and delve into its scientific exploration and cultural relevance. It serves as a platform to connect communities, amateur astronomers, families, and educators for an enriching evening filled with learning and skywatching.
More than 700 events are planned globally, both online and in-person, frequently organized by observatories and astronomy groups.
The primary goal is to enhance public awareness of lunar science while bringing enthusiasts together, regardless of their geographic location.
This event is backed by the Lunar Reconnaissance Orbiter mission and the Science Mission Directorate at NASA.
International Observe the Moon Night 2025: Date & Time
The event is scheduled for Saturday, October 4, 2025, coinciding with the Moon’s first quarter phase, which promises optimal visibility for observing various lunar features and shadows.
Date | Time (Typical) | Global Reach | Notable Feature |
October 4 | From sunset on Saturday, October 4, at 6:46 PM EST until midnight on Sunday, October 5, at 12:00 AM EST | Over 700 events, 1 million+ | Excellent visibility of lunar features; extensive virtual access available |
The scheduling of the event ensures that the Moon will be prominently high in the sky, brilliantly illuminated for convenient viewing across the globe.
Official start times may vary depending on local organizers, generally commencing at sunset and lasting until midnight.
How to Join and Watch International Observe the Moon Night Live?
Various live streams will be hosted by NASA, astronomy clubs, and observatories, with a multitude of virtual and in-person events available on NASA’s official website.
To find an event, visit the official International Observe the Moon Night page and click on ‘find an event’.
Everyone is welcome to participate by tuning into NASA and partner livestreams, or by checking local event listings online.
Popular livestreams are expected to kick off around 7:30 PM EDT (4:30 PM PDT) on platforms such as NASA’s own channels and YouTube.
If you cannot find a nearby event, consider observing the Moon using binoculars or a telescope, and feel free to share your photos on social media with the hashtag #ObserveTheMoon.
