The [mitzvos of] lulav and the willow branch [are performed] six or seven [days]. The [recitation of] Hallel and the [mitzvah of] rejoicing [are performed] eight [days]. The [mitzvos of] succah and the water libation [are performed] seven [days]. And the flute [is played] five or six [days].

How is [the mitzvah of] lulav [performed] seven [days]? If the first day of the Festival falls on the Sabbath, the lulav [is taken] seven [days]; but [if it falls] on any of the other days, [it is taken] six [days].