It will be a Sabbath of complete rest for you, and you shall humble yourselves. From the evening of the ninth day of the month until the following evening you are to keep your Sabbath.”
Here is, I. The institution of the feast of trumpets, on the first day of the seventh month, Lev 23:24, Lev 23:25. That which was now the seventh month had been reckoned the first month, and the year of jubilee was still to begin with this month (Lev 25:8), so that this was their new year's day.
Commenting on Leviticus 23:23-32
It shall be unto you a sabbath of rest,.... See Gill on Lev 16:31; and this is thought by some (q) to be the sabbath spoken of in Isa 58:13, and ye shall afflict your souls; in the ninth day of the month at even; the fast was to begin at the close of the ninth day, and to continue to the end of the...
It [shall be] unto you a sabbath of rest, and ye shall afflict your souls: in the ninth [day] of the month at even, from even unto even, shall ye celebrate your sabbath. (o) Which contains a night and a day: yet they took it as their natural day.