Miss. Code Ann. § 7-1-1

When it shall be ascertained who is chosen governor, he shall be installed and the oath of office administered to him by one of the judges of the supreme court or, in their absence, by the presiding officer of one of the two houses of the legislature, in the presence of the two houses. The time of such installation shall be at noon on the first Tuesday following the ascertaining of who is elected governor, or as soon thereafter as practicable, unless a different time be fixed by a concurrent resolution of the two houses.