And whereas, according to divers customs, prescriptions, and usages in certain places within this kingdom, certain lands and grounds are, on particular nominal days and times in the year, to be opened for common of pasture and other purposes, and at other times the owners and occupiers of such lands and grounds have a right to inclose or shut up the same for their own private use, and there is in many other instances a temporary and distinct property and right vested in different persons in and to many such lands and grounds, according to certain nominal days and times in the year: And whereas the anticipating or bringing forward the said nominal days and times by the space of eleven days, according to the said new method of supputation, might be attended with many inconveniences: nothing in this Act contained shall extend or be construed to extend to accelerate or anticipate the days or times for the opening, inclosing, or shutting up any such lands or grounds as aforesaid, or the days or times on which any such temporary or distinct property or right in or to any such lands or grounds as aforesaid is to commence, but that all such lands and grounds as aforesaid shall, from and after the said second day of September, be from time to time respectively opened, inclosed or shut up, and such temporary and distinct property and right in and to such lands and grounds as aforesaid shall commence and begin, upon the same natural days and times on which the same should have been so respectively opened, inclosed, or shut up, or would have commenced or begun, in case this Act had not been made, that is to say, eleven days later than the same would have happened, according to the said new account and supputation of time so to begin on the said fourteenth day of September as aforesaid.