Christadelphians universally affirm God as the Creator of all things, but exhibit variance on the specific mechanisms and timeline of creation. Some Christadelphian communities, particularly those influenced by literalistic hermeneutics, interpret Genesis as describing a six-day creation and a young earth chronology. Others are more open to theistic evolution or accept the geological evidence for an old earth while maintaining divine creation.

The unifying principle in Christadelphian theology is the affirmation of God's creative power and sovereignty. Genesis 1:1-2 is understood as establishing that God created all things, but questions about the precise mechanisms and timeline are secondary to this central truth. The variation reflects Christadelphian openness to scientific evidence alongside biblical authority.