The time period of Leviticus is traditionally set during the Israelites' wilderness wandering after their escape from Egypt, around 1446-1406 BCE. The cultural setting involves a newly formed nation receiving divine laws and establishing ritual practices that would define their religious identity for generations to come.
Source:
https://drive.google.com/file/d/1yAWBf1-Kdoks20V00LhigkaTVA-15u7e/view?usp=sharing
