47 Nedarim 7/8-9 & 8/1-2

(8) "[Konam] be that which you will produce, I will not eat from it until Pesach”, or “That which you will produce, I will not wear until Pesach”, if she produces it before Pesach he may eat or wear after Pesach. "...that which you produce until Pesach I will not eat”, or “That which you produce until Pesach I will not wear”, if she produces before Pesach he may not eat or wear after Pesach.

(9) "[Konam] be any benefit you have from me until Pesach, if you go to your father’s house before the festival [of Sukkot]”, if she goes before Pesach she may not benefit from him until Pesach; if she goes after Pesach [the vow] is subject to, “he shall not break his word” (Numbers 30:3). [If he says, “Konam] be any benefit you have from me until the festival [of Sukkot] if you go to your father’s house before Pesach”, if she goes before Pesach, she may not benefit from him until the festival [of Sukkot], but she is permitted to go after Pesach.

(1) [One who says] "Konam, wine that I will taste today," it is only forbidden until it becomes dark. "This week," he is forbidden the whole week, and Shabbat [belongs to the week] that passed. "This month," he is forbidden the entire month, but Rosh Chodesh [belongs to the month] to come. "This year," he is forbidden for the entire year, but Rosh Hashanah [belongs to the year] to come. "This seven year cycle," he is forbidden for the entire seven year cycle, and the seventh year [belongs to the cycle] that passed. and if he says "one day," "one week,""one month,""one year,""one seven year cycle," he is forbidden from day to day.

(2) "Until Passover," he is forbidden until it reaches Passover. "Until it will be," he is forbidden until it passes. "Until before Passover," Rabbi Meir says, he is forbidden until it reaches [Passover]. Rabbi Yosi says, he is forbidden until it passes.