Indiana Code Title 31. Family Law and Juvenile Law § 31-21-2-8

Sec. 8. “Home state” means the state in which a child lived with:

for at least six (6) consecutive months immediately before the commencement of a child custody proceeding.  In the case of a child less than six (6) months of age, the term means the state in which the child lived since birth with a parent or person acting as a parent.  A period of temporary absence of the parent or person acting as a parent is part of the period.