S. 5123: Lunar Landing Day Act

Introduced Jul 23, 20263 cosponsors

Sponsor

Tim Sheehy

Tim Sheehy

Republican · MT

July 20 deserves a permanent place on the calendar

4 min readLast updated September 29, 2026

Why it matters

The Senate passed S. 5123 by unanimous consent the same day it was introduced — no committee, no objection. It would write July 20, the day Apollo 11 put the first humans on the Moon in 1969, into federal law as Lunar Landing Day. The House now decides whether it becomes permanent.

S. 5123, the Lunar Landing Day Act, adds one line to the chapter of federal law that lists national observances: July 20 is Lunar Landing Day.

This is an observance, not a paid holiday — no day off, no closures, no new program, no new spending. It sits alongside days like Flag Day and Constitution Day rather than Independence Day.

The bill encourages private citizens, organizations, and federal, state and local governments to recognize the day through proclamations, activities and educational efforts. Nothing is required. A school can build a lesson around it; a planetarium can plan a July 20 event; a governor can issue a proclamation — or not.

The bill gives the day two jobs. It commemorates the first human landing on the Moon, and in the bill's words, it should inspire "the continued leadership of the United States in space exploration and science."

It already cleared the Senate by unanimous consent, with Republican and Democratic cosponsors including Sen. Mark Kelly, a former NASA astronaut. Sen. Tim Sheehy (R-MT) introduced it; Sens. Jerry Moran (R-KS) and Maria Cantwell (D-WA) signed on the same day.

If the bill text looks far longer than one new date should need, there's a reason. The observances chapter has accumulated entries sharing the same number and entries filed out of order. Most of the bill reorders and renumbers that list so Lunar Landing Day can slot in cleanly — tidy-up work that doesn't change any existing observance.

Bill Progress

IntroducedJul 23
Committee 
Pass SenateJul 23
Pass House 
Signed 
Law 

Latest Action · Aug 20, 2026

1/3

Passed the Senate, received in House

S. 5123 Bill Summary

What S. 5123 actually does.

1

July 20 becomes Lunar Landing Day

The bill adds Lunar Landing Day to the federal list of national observances, fixed on July 20 — the date of the Apollo 11 landing in 1969.

2

Your schedule stays the same

This is a recognized observance, not a paid federal holiday. Federal offices, banks, schools and employers are not required to close or give time off.

3

Classrooms and museums get an annual anchor date

The bill encourages "educational efforts" tied to the day, giving teachers, science centers, planetariums and libraries a nationally recognized date for Moon landing and space science programming.

4

Governments are invited, not required, to take part

Federal, state and local governments and legislative bodies are encouraged to issue proclamations and hold activities. There is no mandate and no penalty for skipping it.

5

The day looks forward as well as back

Beyond commemorating 1969, the bill says the observance should inspire continued U.S. leadership in space exploration and science.

6

A cluttered list of observances gets renumbered

Most of the bill's text reorders and renumbers existing entries in the observances chapter, several of which currently share a section number, so the new day fits. No existing observance is added, removed or changed.

Who benefits from S. 5123?

Teachers and students

A July 20 date recognized in federal law gives teachers a ready-made reason to cover Apollo 11 and today's space science — useful for summer programs, and a hook for the fall school year.

Planetariums, science centers and space museums

Institutions that already run Moon landing events each July get a federally recognized date to build exhibits, launch-night style programs and outreach around.

Communities with ties to the space program

Towns where Apollo-era work happened, and where aerospace jobs are today, get an official annual occasion to mark that history locally.

The Apollo generation and their families

For people who watched the landing live — or whose parents helped build the rockets — the day gives that memory a permanent place in federal law.

Who is affected by S. 5123?

You, as a private citizen

You may see more July 20 events, lessons and proclamations. Nothing changes about your work schedule, pay or obligations.

Schools and public institutions

They can choose to add the day to calendars and lesson plans. Nothing in the bill requires it.

Federal, state and local governments

Encouraged to issue proclamations or hold events. Participation is optional and the bill sets no reporting requirement.

Anyone who cites the observances chapter

Because the bill renumbers many existing entries, lawyers, legal publishers and agencies that cite specific observance sections by number would need to update those references.

Share this story
Tracking floor activity — no debate on S. 5123 yet. Updates when a legislator speaks on the record.

S5123 Legislative Journey

3 actions

House: Action Taken

Aug 20, 2026

Held at the desk.

Action Taken

Jul 30, 2026

Message on Senate action sent to the House.

Introduced

Jul 23, 2026

4273-4274

Introduced in the Senate, read twice, considered, read the third time, and passed without amendment by Unanimous Consent. (consideration: CR S4273-4274; text: CR S4273-4274)

+2 more actions this day

About the Sponsor

Tim Sheehy

Tim Sheehy

Republican, MT · 1 years in Congress

Committees: Veterans' Affairs, Commerce, Science, and Transportation, Armed Services

View full profile →

Cosponsors (3)

No new cosponsors in 87 days — momentum stalled

This bill has 3 cosponsors: 2 Democrats, 1 Republican, reflecting bipartisan support. Cosponsors represent 3 states: Arizona, Kansas, Washington.

2Democrats1Republican·3 statesBipartisan

S. 5123 Quick Facts

Cosponsors
3
Mark Kelly
Jerry Moran
Maria Cantwell
Chamber
Senate
Policy
Science, Technology, Communications
Introduced
Jul 23, 2026

Passed the Senate, received in House

Aug 20, 2026

Constituent Resources

Get notified when this bill moves

Official Sources

S. 5123 on Congress.gov

Official congressional page for the Lunar Landing Day Act with status, text, and actions.

U.S. Code Title 36, Chapter 1

This is the federal observances chapter that S. 5123 would amend to add Lunar Landing Day.

NASA Apollo 11 Mission Overview

NASA’s official mission page explains the Apollo 11 Moon landing that the bill commemorates.

NASA Artemis

The bill links commemoration of Apollo 11 to inspiring continued U.S. leadership in space exploration, which NASA’s Artemis program represents.

NASA Learning Resources

Official NASA education resources are relevant because the bill encourages educational efforts tied to Lunar Landing Day.

Office of Personnel Management Federal Holidays

OPM’s federal holidays page helps clarify that this bill creates an observance, not a paid federal holiday.

S. 5123 Common Questions

What would S. 5123 do?

It makes July 20 Lunar Landing Day in federal law, marking Apollo 11's 1969 Moon landing. Citizens, organizations and governments are encouraged to recognize it with proclamations, activities and education.

Would Lunar Landing Day be a day off?

No. It's a national observance, like Flag Day, not a paid federal holiday. Offices, schools and banks would stay open.

Why July 20?

On July 20, 1969, Apollo 11 astronauts Neil Armstrong and Buzz Aldrin became the first humans to land on the Moon. The bill fixes the observance to that date every year.

Has the Lunar Landing Day Act passed?

It passed the Senate by unanimous consent in July 2026. The House received it on August 20 and is holding it at the desk. It needs a House vote and the President's signature to become law.

Who is behind S. 5123?

Sen. Tim Sheehy (R-MT) introduced it with cosponsors Mark Kelly (D-AZ), a former NASA astronaut, Jerry Moran (R-KS) and Maria Cantwell (D-WA) — two Republicans and two Democrats.

How could schools and museums mark the day?

The bill encourages proclamations, activities and educational efforts but requires none. That could mean Apollo 11 lessons, planetarium shows, exhibits or local ceremonies.

Does S. 5123 cost taxpayers anything?

The bill includes no spending, grants or new programs. Because it isn't a paid holiday, there's no payroll cost from a federal day off either.

When would the first Lunar Landing Day happen?

July 20, 2026 has already passed, so if the House passes the bill and the President signs it before this Congress ends in January 2027, the first official observance would be July 20, 2027.

Based on S. 5123 bill text

S. 5123 Bill Text

PDF

“To amend title 36, United States Code, to designate July 20 as Lunar Landing Day.”

Source: U.S. Government Publishing Office

Bill Alerts

Get notified when S. 5123 moves

Committee votes, floor action, cosponsor changes — straight to your inbox.

Bill alerts + Legisletter's monthly briefing. Unsubscribe anytime.

Science, Technology, Communications Bills

9 related bills we're tracking

View all→
H.R. 979

AM Radio for Every Vehicle Act of 2025

Gus Bilirakis
Gus BilirakisR-FL
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+313
317 cosponsors

Received in the Senate. Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 622.

Sep 16, 2026

HouseScience, Technology, Communications
H.R. 1106

Scientific Integrity Act

Paul Tonko
Paul TonkoD-NY
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+135
139 cosponsors

Referred to the House Committee on Science, Space, and Technology.

Feb 6, 2025

HouseScience, Technology, Communications
S. 1748

Kids Online Safety Act

Marsha Blackburn
Marsha BlackburnR-TN
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+72
76 cosponsors

Committee on Commerce, Science, and Transportation. Ordered to be reported with an amendment in the nature of a substitute favorably.

Aug 5, 2026

SenateScience, Technology, Communications
H.R. 139

Sunshine Protection Act of 2025

Vern Buchanan
Vern BuchananR-FL
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+31
35 cosponsors

Received in the Senate and Read twice and referred to the Committee on Commerce, Science, and Transportation.

Jul 15, 2026

HouseScience, Technology, Communications
H.R. 8031

GUARDRAILS Act

Donald Beyer
Donald BeyerD-VA
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+31
35 cosponsors

Referred to the Committee on Energy and Commerce, and in addition to the Committee on the Judiciary, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.

Mar 20, 2026

HouseScience, Technology, Communications
H.R. 6356

Artificial Intelligence Civil Rights Act of 2025

Yvette Clarke
Yvette ClarkeD-NY
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+25
29 cosponsors

Referred to the Committee on Energy and Commerce, and in addition to the Committee on Oversight and Government Reform, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.

Dec 2, 2025

HouseScience, Technology, Communications
S. 146

TAKE IT DOWN Act

Ted Cruz
Ted CruzR-TX
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+17
21 cosponsors

Became Public Law No: 119-12.

May 19, 2025

SenateScience, Technology, Communications
S. 3557

States' Right to Regulate AI Act

Edward Markey
Edward MarkeyD-MA
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+6
10 cosponsors

Read twice and referred to the Committee on Commerce, Science, and Transportation.

Dec 17, 2025

SenateScience, Technology, Communications
H.R. 390

ACERO Act

Vince Fong
Vince FongR-CA
Cosponsor
Cosponsor
Cosponsor
Cosponsor
+3
7 cosponsors

Received in the Senate and Read twice and referred to the Committee on Commerce, Science, and Transportation.

Feb 24, 2026

HouseScience, Technology, Communications

Tracking Science, Technology, Communications in Congress? Monitor bills, track cosponsor momentum, and launch advocacy campaigns — all from one advocacy platform.