ESV: And the LORD set a time, saying, “Tomorrow the LORD will do this thing in the land.”
NIV: The LORD set a time and said, 'Tomorrow the LORD will do this in the land.'
NASB: And the Lord set a definite time, saying, 'Tomorrow the Lord will do this thing in the land.'
CSB: And the Lord set a time, saying, "Tomorrow the Lord will do this thing in the land."
NLT: The Lord has already set the time for the plague to begin. He has declared that he will strike the land tomorrow.’'
KJV: And the LORD appointed a set time, saying, To morrow the LORD shall do this thing in the land.
NKJV: Then the Lord appointed a set time, saying, “Tomorrow the Lord will do this thing in the land.”