Why is the 7th Day of Unleavened Bread Holy? What does this mean?

News Letter 5848-006 21st day of the 1st month 5848 years after the creation of Adam The Last Day of Unleavened Bread The 1st Month in the Third year of the third Sabbatical Cycle The Third Sabbatical Cycle of the 119th Jubilee Cycle The Sabbatical Cycle of...