5th Month /4th Day - 2nd from Sabbath (monday) : Issachar

Jubilees 28:22

22 And Yacob went in unto Leah, and she conceived, and bare a son, and she called his name Issachar, on the fourth of the fifth month, in the fourth year of the fourth week,[2132 A.M.] and she gave him to a nurse.