'Former Days' in the Bible

and there having been much disputing, Peter having risen up said unto them, 'Men, brethren, ye know that from former days, God among us did make choice, through my mouth, for the nations to hear the word of the good news, and to believe;

For whatever was written in earlier times was written for our instruction, so that through endurance and the encouragement of the Scriptures we might have hope and overflow with confidence in His promises.

Therefore let us keep our festival, not with the leaven of former days, nor with the leaven of vice and wickedness, but with the unleavened bread of sincerity and truth.

But call to remembrance the former days, in which, after ye were illuminated, ye endured a great fight of afflictions;

But he that hath no possession of these things, is blind, dim-sighted, sinking into oblivion of his purification from the sins of his former days.