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.New International Version
It will be a unique day, without daytime or nighttime-a day known to the LORD. When evening comes, there will be light.