????? ??? ????? ?? ??????? ??????? ???? ???? ???????? ????? ???????? ????? ??????? ??????? ?? ??????? ???? ???? ???? ???????? ??? ?????? ?? ??????? ??????.The Sumerian priests and astronomers had been the 1st who divided the calendar year into lesser models. In order their lunar yr had twelve months of about thirty times Each individual, their work