'Days' in the Bible

He was pre-destined indeed to this work, even before the creation of the world, but has been plainly manifested in these last days for the sake of you who, through Him,

For "He who wishes to be well-satisfied with life and see happy days-- let him restrain his tongue from evil, and his lips from deceitful words;

who in ancient times had been disobedient, while God's longsuffering was patiently waiting in the days of Noah during the building of the Ark, in which a few persons--eight in number--were brought safely through the water.