The Congress shall assemble at least once in every year, and such meeting shall begin at noon on the 3d day of January, unless they shall by law appoint a different day.
U.S. Const. amend. XX, § 2, under Terms of the President, Vice-President, and Congress.
U.S. Const. amend. XX, § 2
Section 2
The Congress shall assemble at least once in every year, and such meeting shall begin at noon on the 3d day of January, unless they shall by law appoint a different day.