Numbers 29:1

“And in the seventh month, etc.] The month Tisri, as the Targum of Jonathan, which answers to part of our September and October; a month famous for days to be religiously observed, having more of them in it than any other month in the year: on the first day of the month, ye shall have a holy convocation; (see <032324> Leviticus 23:24), ye shall do no servile work; therefore, in the place referred to, is called a sabbath: it is a day of blowing the trumpets unto you; of which, (see Gill on “<032324>Leviticus 23:24”).”

“THE OFFERING AT THE FEAST OF TRUMPETS. (Num. 29:1-40) in the seventh month--of the ecclesiastical year, but the first month of the civil year, corresponding to our September. It was, in fact, the New Year's Day, which had been celebrated among the Hebrews and other contemporary nations with great festivity and joy and ushered in by a flourish of trumpets. This ordinance was designed to give a religious character to the occasion by associating it with some solemn observances. (Compare Exo 12:2; Lev 23:24). it is a day of blowing the trumpets unto you--This made it a solemn preparation for the sacred feasts--a greater number of which were held during this month than at any other season of the…”

“The ordinance of the Feast of Trumpets was to be observed on the opening day of that month within which the great Day of the Atonement and the Feast of Tabernacles fell (compare Leviticus 23:23 ff). The special offering for the day anticipated that of the great Day of Atonement. return to 'Top of Page'”

“29:1-6 the Festival of Trumpets: See also Lev 23:23-25.”

“the seventh: That is, the month Tisri, the seventh month of their ecclesiastical year, but the first of their civil year, answering to our September. This, which was their new year's day, was a time of great festivity, and ushered in by the blowing of trumpets; whence it was also called the feast of blowing the trumpets. In imitation of this Jewish festival, different nations began the new year with sacrifices and festivity. The ancient Egyptians did so; and the Persians also celebrated their nawee rooz, or new year's day, which they held on the vernal equinox, and which "lasted ten days, during which all ranks seemed to participate in one general joy. The rich sent presents to the poor; all…”

“The festal sacrifice for the new moon of the seventh month consisted of a burnt-offering of one bullock, one ram, and seven yearling lambs, with the corresponding meat-offerings and drink-offerings, and a sin-offering of a he-goat, "besides" (i.e., in addition to) the monthly and daily burnt-offering, meat-offering, and drink-offering. Consequently the sacrifices presented on the seventh new moon's day were, (1) a yearling lamb in the morning and evening, with their meat-offering and drink-offering; (2) in the morning, after the daily sacrifice, the ordinary new moon's sacrifice, consisting of two bullocks, one ram, and seven yearling lambs, with their corresponding meat-offerings and…”