'Day' in the Bible

He will also strengthen you to the end, so that you will be blameless on the day of our Lord Jesus Christ.

each builder's work will be plainly seen, for the Day will make it clear, because it will be revealed by fire. And the fire will test what kind of work each has done.

turn this man over to Satan for the destruction of the flesh, so that his spirit may be saved in the day of the Lord.

And let us not be immoral, as some of them were, and twenty-three thousand died in a single day.

and that he was buried, and that he was raised on the third day according to the scriptures,

Every day I am in danger of death! This is as sure as my boasting in you, which I have in Christ Jesus our Lord.

On the first day of the week, each of you should set aside some income and save it to the extent that God has blessed you, so that a collection will not have to be made when I come.