USGPO lists date that Utah ratified the 18th Amendment.
S. Doc. 112-9 - Constitution of the United States of America: Analysis, and Interpretation - Centennial Edition - Interim. United States Government Printing Office. August 27, 2017, 35
The Eighteenth Amendment was proposed by Congress on December 18, 1917, when it passed the Senate, CONG. REC. (65th Cong. 2d Sess.) 478, having previously passed the House on December 17. Id., 470. It appears officially in 40 Stat. 1059. Ratification was completed on January 16, 1919, when the thirty-sixth State approved the amendment, there being then 48 States in the Union. On January 29, 1919, Acting Secretary of State Polk certified that this amendment had been adopted by the requisite number of States. 40 Stat. 1941. By its terms this amendment did not become effective until 1 year after ratification.
The several state legislatures ratified the Eighteenth Amendment on the following dates:
. . .
Utah, January 16, 1919;