'Day' in the Bible

as also ye did acknowledge us in part, that we are your glorying, even as ye also are ours, in the day of our Lord Jesus.

but their minds were hardened: for until this very day at the reading of the old covenant the same veil remaineth, it not being revealed to them that it is done away in Christ.

But unto this day, whensoever Moses is read, a veil lieth upon their heart.

Wherefore we faint not; but though our outward man is decaying, yet our inward man is renewed day by day.

(for he saith, At an acceptable time I hearkened unto thee, And in a day of salvation did I succor thee: behold, now is the acceptable time; behold, now is the day of salvation):

Thrice was I beaten with rods, once was I stoned, thrice I suffered shipwreck, a night and a day have I been in the deep;