Caravaggio, Saint Jerome Writing (c. 1605), Galleria Borghese. Public domain.
2 verses in the King James Version. Word study for “day” →
And grieve not the holy Spirit of God, whereby ye are sealed unto the day of redemption.
Wherefore take unto you the whole armour of God, that ye may be able to withstand in the evil day, and having done all, to stand.