2026 Day of Action

The Day of Action is The Planetary Society's annual advocacy event that connects space advocates with their members of Congress in Washington, D.C.

Activities & Schedule

Sunday, April 12th: 4pm PT / 7pm ET
Virtual training session (via Zoom)

Sunday, April 19th, 1pm ET - 5pm ET
In-person training session in downtown Washington, D.C.

Monday, April 20th, 9pm - 5pm ET
Congressional meetings, U.S. Capitol. Individual schedules will vary.

Registration includes

• Online and in-person advocacy training from The Planetary Society's space policy team
• A minimum of three meetings with congressional offices booked for you by The Planetary Society with opportunities for more
• Access to special events, member gatherings, and space-themed experiences for you and fellow members while you're in D.C.

Why participate?

Research (and recent experience!) has shown that in-person constituent meetings are the most effective way to engage elected officials on topics like space exploration. If you believe in an ambitious future of space exploration, this is the way to show it.

Do I need to be a member of The Planetary Society?

Yes, all participants over 18 years old must be an active Planetary Society member on April 20th, 2026, to participate. If you are not currently a member, you can still register for the Day of Action. We will contact you prior to the event to confirm membership.

Do I need to be an experienced advocate?

No! We welcome all levels of experience, and all ages (though children under 18 are required to have a parent/guardian with them). We provide training and background materials to ensure you'll be an effective advocate.

You are responsible for your travel and lodging

We do provide some travel and lodging recommendations for Washington, D.C. A limited number of discounted hotel rooms are available for registrants at the Residence Inn National Mall location.

Citizenship requirements

Anyone with a U.S. address is welcome to attend.

Age requirements

Anyone under the 18 must be accompanied by a parent or legal guardian.

Have more questions?

Review our full set of Frequently Asked Questions.