That one shall purify himself from uncleanness with the water [made with the ashes of the burned heifer] on the third day and on the seventh day, and then he will be clean; but if he does not purify himself on the third day and on the seventh day, he will not be clean.

‘On the first day of the seventh month, you shall have a holy [summoned] assembly; you shall do no laborious work. It will be for you a day of blowing the trumpets (the shophar, ram’s horn).