'First Day' in the Bible

On the first day of the feast of Unleavened Bread, the disciples came to Jesus and said, "Where do you want us to make preparation for you eat the Passover?"

At the end of the Sabbath, as it began to dawn toward the first day of the week, Mary Magdalene and the other Mary came down to see the sepulcher, when lo!

And the first day of the feast of Unleavened Bread, the day for killing the paschal lamb, his disciples asked him, "Where do you want us to go and make preparation for you to eat the Passover?"

And very early in the morning, on the first day of the week, they came to the tomb as the sun was rising;

So they went out, and ran from the tomb, for they were trembling and amazed; and they said nothing to any one, for they were afraid??9 Now after his resurrection, early on the first day of the week he appeared first to Mary Magdalene, from whom he had driven out seven demons.

On the Sabbath Day they rested in obedience to the commandment, but in the deep dawn of the first day of the week they took the spices which they had prepared, and came to the tomb.

On the first day of the week, very early in the morning, while it was yet dark, Mary Magdalene came to the tomb and discovered that the stone had been removed from the tomb.

On the evening of that same day, the first day of the week, although the doors of the room where the disciples gathered had been locked for fear of the Jews, Jesus came, and there he stood among them, saying. "Peace to you!"

On the first day of the week we met for the breaking of bread, and Paul, who was going away the next morning, began preaching to them, and prolonged his discourse until midnight.

and when they arrived, he said to them. "You yourselves know quite well, how I lived among you, from the first day that I set foot in Asia,

On the first day of each week let each of you put aside something, keeping it in store as he may prosper, so that when I come there may be no collections going on.

from the first day you heard it until now.