Following are a number of back-translations as well as a sample translation for translators of Isaiah 24:23:

• Kupsabiny: “The moon shall become dark,
  and the sun not shine.
  The God of authority is ruling.
  He stays on the mountain of Zion in Jerusalem.
  He shall show his greatness
  in front of leaders.” (Source: Kupsabiny Back Translation)
• Newari: “The moon will become dark,
  the light of the sun will disappear,
  for the LORD Almighty will rule in Jerusalem from the top of Mt Zion
  and the leaders of the people will see his glory.” (Source: Newari Back Translation)
• Hiligaynon: “The sun and moon will-be-darkened for the LORD Almighty will-reign in Mount Zion, in Jerusalem. And there his power will-be-revealed before/[lit. in front of] the ones-(who)-rule over his people.” (Source: Hiligaynon Back Translation)