Governor Syed Ahmed will administer the oath of office and secrecy at the Birsa Munda Football Stadium here, an official release said.
A separate release quoting Chief Secretary Sajjal Chakraborty said all government offices will remain open on Saturday and Sunday following the oath-taking ceremony.
Das will head the tenth government in Jharkhand's 14-year history and will be the sixth individual to be CM after Babulal Marandi (once), Arjun Munda (thrice), Shibu Soren (thrice), Madhu Koda (once) and Hemant Soren (once).