'First Day' in the Bible

Now upon the first day of the feast of unleavened bread, came the disciples to Jesus, saying, where wouldest thou have us make preparation for thee to eat the passover?

Now after the sabbath, in the dawning towards the first day of the week, came Mary Magdalene, and the other Mary, to look at the sepulchre:

And on the first day of the feast of unleavened bread, when they sacrificed the paschal lamb, his disciples said to Him, Where wouldst thou have us go and make preparation for thee to eat of the paschal lamb?

and very early in the morning of the first day of the week they come to the sepulchre at sun-rising.

Now Jesus being risen early on the first day of the week appeared first to Mary Magdalene, from whom He had cast out seven devils:

And on the first day of the week, very early in the morning, they came to the sepulchre, bringing the spices which they had prepared; (and some others with them:) and found the stone rolled away from the sepulchre:

Now on the first day of the week Mary Magdalene cometh early in the morning, while it was yet dark, to the sepulchre, and seeth the stone taken away from the sepulchre.

Now the same day at evening, being the first day of the week, and the doors where the disciples were being shut, for fear of the Jews, Jesus came and stood in the midst, and saith unto them, Peace be to you.

And upon the first day of the week, when the disciples were assembled together to break bread, Paul being about to depart on the morrow, preached unto them, and continued his discourse till midnight.

And when they were come to him, he said unto them, Ye know in what manner I behaved among you all the time, from the first day that I came into Asia.

Upon the first day of the week let every one of you set apart something, putting it into the treasury, according as he is prospered: that there may be no need of collections, when I come.

in every prayer of mine) for your attachment to the gospel, from the first day even till now;