In the days when the judges ruled, there was a famine in the land. And a certain man from Bethlehem in Judah, with his wife and two sons, went to reside in the land of Moab.
The first words give all the date we have of this story. It was in the days when the judges ruled (Rut 1:1), not in those disorderly times when there was no king in Israel; but under which of the judges these things happened we are not told, and the conjectures of the learned are very uncertain.
Commenting on Ruth 1:1-5
Now it came to pass, in the days when the judges ruled,.... So that it appears that this history is of time and things after the affair of Micah, and of the concubine of the Levite, and of the war between Israel and Benjamin; for in those times there was no king nor judge in Israel; but to what time of the judges, and which...
Now it came to pass in the days when the judges ruled, that there was a famine in the land. And a certain man of Bethlehemjudah went to sojourn in the country of Moab, he, and his wife, and his two sons. The Argument - This book is called Ruth, who is the main person spoken of in this writing.