John Gills Exposition of the Bible Commentary - Ruth 1:1
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 government of theirs it belongs to, is not agreed on. Josephus F15 places it in the government of Eli, but that is too late for Boaz, the grandfather of Jesse, the... read more
Matthew Henry's Complete Commentary - Ruth 1:1-5
The first words give all the date we have of this story. It was in the days when the judges ruled (Ruth 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. It must have been towards the beginning of the judges? time, for Boaz, who married Ruth, was born of Rahab, who received the spies in Joshua's time. Some think it was in the days of Ehud, others of... read more