Following are a number of back-translations as well as a sample translation for translators of Amos 5:20:

• Kupsabiny: “That day of God comes with darkness and not with light.
  That day will be amazingly dark.” (Source: Kupsabiny Back Translation)
• Newari: “Yes, the Day of LORD will be darkness not the light.
  Without the slightest ray of sun it will be a totally dark Day.” (Source: Newari Back Translation)
• Hiligaynon: “(It is) really true that the day of the LORD will-bring punishment and not salvation; as-if this (is) like darkness without ever any little light.” (Source: Hiligaynon Back Translation)