Charles Spurgeon Commentary Ruth 1:22

"So Naomi returned, and Ruth the Moabitess, her daughter-in-law, with her, who returned out of the country of Moab: and they came to Bethlehem in the beginning of barley harvest." — Ruth 1:22 (ASV)

That is, at the time of the Passover; let us hope that they received a blessing in observing the ordinances of that time, and that they were thus helped to return to the only right and happy state of heart.