Ellicott's Commentary for English Readers - Numbers 29:35
(35) On the eighth day ye shall have a solemn assembly.—Or, closing feast day. The word azereth, which is here and in the parallel passage in Leviticus 23:36 (comp. Nehemiah 8:18; 2 Chronicles 7:9) rendered “solemn assembly,” is used in Deuteronomy 16:8 of the seventh or closing day of the Feast of the Passover. It is used in Jeremiah 9:2 and Amos 5:2 in a more general manner. In the former of these passages it is used of an assembly or confederacy of false dealers, and in the latter it appears... read more
Ellicott's Commentary for English Readers - Numbers 29:12
(12) And on the fifteenth day of the seventh month . . . —See Leviticus 23:33-36; Leviticus 23:39-43. A larger number of burnt offerings was appointed for this feast than for any other festival. Seventy oxen in all were to be offered on the seven days of the feast, the number being diminished by one daily—viz., thirteen on the first day, twelve on the second, eleven on the third, and in like manner until the seventh day, on which seven oxen, the perfect number, were to be offered. In addition... read more