God has given us our days and in His Will they are perfect.
"For since the creation of the world His invisible attributes are clearly seen, being understood by the things that are made, even His eternal power and Godhead..." Romans 1:20
"Pursue peace with everyone, as well as holiness, without which no one will see the Lord. See to it that no one falls short of the grace of God and that no bitter root grows up to cause trouble and defile many." --Hebrews 12:14-15