'Day' in the Bible

Who shall also confirm you unto the end, that ye may be blameless in the day of our Lord Jesus Christ.

Every man's work shall be made manifest: for the day shall declare it, because it shall be revealed by fire; and the fire shall try every man's work of what sort it is.

and to me it is for a very little thing that by you I may be judged, or by man's day, but not even myself do I judge,

Being defamed, we intreat: we are made as the filth of the world, and are the offscouring of all things unto this day.

To deliver such an one unto Satan for the destruction of the flesh, that the spirit may be saved in the day of the Lord Jesus.

Do you not know that the saints (God’s people) will [one day] judge the world? If the world is to be judged by you, are you not competent to try trivial (insignificant, petty) cases?

Neither let us commit fornication, as some of them committed, and fell in one day three and twenty thousand.

And that he was buried, and that he rose again the third day according to the scriptures:

I affirm by the pride in you that I have in Christ Jesus our Lord: I die every day!

Upon the first day of the week let every one of you lay by him in store, as God hath prospered him, that there be no gatherings when I come.