The above graph displays the relationship between the creation week and the history of our salvation. In the "Sanctuary Year", the 7 months from Passover to Feast of Booths/Tabernacles held the 3 main feasts in which all the men were asked to attend. Those 3 feasts had there fulfillment in the great plan of redemption which has been going on since the world was created and will not end until sin dies. If you look closely at the creation week you will find that its 1st, 2nd and 3rd feast looks identical to the 1st, 2nd and 3rd days of creation. Isn't He Amazing!