International Standard Version that for four days out of every year the Israeli women would go to mourn the daughter of Jephthah the Gileadite in commemoration.
American Standard Version that the daughters of Israel went yearly to celebrate the daughter of Jephthah the Gileadite four days in a year.
Young's Literal Translation from time to time the daughters of Israel go to talk to the daughter of Jephthah the Gileadite, four days in a year.