King James Version
But it shall be one day which shall be known to the LORD, not day, nor night: but it shall come to pass, that at evening time it shall be light.English Standard Version
And there shall be a unique day, which is known to the LORD, neither day nor night, but at evening time there shall be light.Catholic Public Domain Version
And there will be one day, which is known to the Lord, not day and not night. And in the time of the evening, there will be light