ping
As a Christian, I have no problem with an old earth in Genesis.
It appears clear to me that God was using the term ‘Day’ in Genisis as a metaphor for a phase rather than a 24 hr period where the earth makes a 360deg revolution.
In fact, as I recall, the earth doesn’t even make a revolution in its journey around the sun until day two or three. Consequently, the term ‘day’ must be a metaphor