Related על סוטה 7:7

On the first Yom Tov of Passover we read the section (Lev. 23) on "waving" that is in Torat Kohanim (i.e., Leviticus), and the remainder of all the days of Passover, we skip to other subjects [involving] Passover that are written in the Torah. On Shavuot [we read the section beginning with] "Seven weeks" (Deut. 16:9) and there are those that say [we read the passage beginning] "In the third month" (Ex. 19:1). On Rosh Hashanah [we read the passage beginning] "Speak to the children of Israel, saying, On the seventh month, on the first of the month, etc." (Lev. 23:24), and there are those that say [we read the passage beginning] "And the Lord remembered Sarah" (Gen. 21:1). On Yom Kippur we read "After the death" (Lev. 16:1), and we add "On the tenth" (Num. 28:12), which is in the Book of Numbers (see also Yoma 7:1). On the first Yom Tov of Sukkot (lit., "Festival") we read [the passage beginning] "Speak to the children of Israel, saying, On the fifteenth day of this seventh month is the Festival of Sukkot, etc." (Lev. 23:34), and on the second day [we begin with] "On the second day," on the third [we begin with] "On the third day," on the fourth [we bigin with] "And on the fourth], on the fifth [we begin with] "And on the fifth," on the sixth [we begin with] "And on the sixth," on the seventh [we begin with] "And on the seventh," and on the eighth [we begin with] "And on the eighth" (see Num. 29).