Emergency Daylight Saving Time Energy Conservation Act of 1973
Public Law 93-182 · H.R. 11324 · 93rd Congress · began in the House
Signed by Richard Nixon (R) on Dec 15, 1973 · Science, Technology, Communications
Sponsor: Rep. Harley Staggers (D-WV-2)
Cosponsors (2): Rep. John Moss, Rep. Craig Hosmer
Passage votes
- HouseMethod not stated
- SenateMethod not stated
Data notes
The final version of the law, as each chamber passed it. A chamber that passed it by voice vote or unanimous consent has no count. “Method not stated” means the record does not say how the chamber voted. Where the record has a member-by-member vote, the “Who voted for it” section shows who voted yea.
Summary
The Congressional Research Service’s plain-language summary of what the law does.
Emergency Daylight Saving Time Energy Conservation Act - Requires that daylight saving time shall be observed on a year-round basis for a two-year trial period. Requires the Secretary of Transportation to report to the Congress on the operation and effects of this Act.
Requires the Federal Communications Commission to make adjustments, consistent with international obligations and the public interest, to permit daytime standard AM broadcast stations to operate before local sunrise.
Provides that this Act shall take effect at 2 o'clock antemeridian on the fourth Sunday which occurs after the date of enactment of this Act and shall terminate at 2 o'clock antemeridian on the last Sunday of April 1975.
Committees
The committees the bill was sent to, and what each did with it.
Data notes
A committee links to its page only where it exists in the current Congress; older and renamed committees are named without a link.
Timeline
From introduction to signing, newest first: the committees, the floor and the president. 16 actions.
- Dec 15, 1973Became lawBecame law · Signed by President.
- PresidentPresident · Public law 93-182.
- PresidentPresident · Measure presented to President.
- Dec 14, 1973Resolving differencesResolving differences · Senate agreed to conference report.
- Resolving differencesResolving differences · Conference report agreed to in Senate: Senate agreed to conference report.
- Resolving differencesResolving differences · House agreed to conference report.
- Resolving differencesResolving differences · Conference report agreed to in House: House agreed to conference report.
- Dec 10, 1973Resolving differencesResolving differences · Conference report filed in House, H. Rept. 93-709.
- Resolving differencesResolving differences · Conference report filed: Conference report filed in House, H. Rept. 93-709.
- Dec 6, 1973Resolving differencesResolving differences · Conference scheduled in House.
- Dec 4, 1973Resolving differencesResolving differences · Conference scheduled in Senate.
- FloorFloor · Measure passed Senate, amended in lieu of S. 2702, roll call #555 (68-10).Senate roll call 555
- Nov 27, 1973FloorFloor · Measure passed House, amended, roll call #597 (311-88).House roll call 597
- Nov 15, 1973CommitteeCommittee · Reported by House Energy and Commerce Committee
- Nov 7, 1973CommitteeCommittee · Referred to House Energy and Commerce Committee
- IntroducedIntroduced · Introduced in the House
Data notes
Shows the introduction, each committee and subcommittee step the source dates (referral, hearings, markup, report, discharge), and the floor, conference, presidential and became-law steps. Calendar placements, messages between the chambers, amendments and committee report numbers are not shown for laws before the 108th Congress. Two entries the source lists twice are shown once.
Official record
The bill’s full text and every action, including introduction and committee steps, are on Congress.gov. Data through Oct 7, 2026.