20. “Now when it was evening,” after sunset. The lamb was immolated between the third hour of the day and sunset, but not eaten till after sunset. The Hebrew in Exodus (12:6) Ben-arbaiim, which St. Jerome translates, “ad vesperam,” “in the evening,” or rather, “towards evening,” signifies, between the two evenings, that is, between the ninth hour, or three o’clock of our day, when the sun begins to decline, and sunset. This time was set apart for sacrificing the Paschal lamb, which corresponds with