Matthew 28:1-8

And after the sabbath, when it began to dawn on the first day of the week, came Mary the Magdalene, and the other Mary, to see the tomb.

John 20:19-20

Then when it was evening, on that first day of the week, and the doors were shut where the disciples were for fear of the Jews, Jesus came and stood in the midst, and said to them, Peace be to you.

Acts 20:7

And on the first day of the week, we being assembled to break bread, Paul preached to them, being about to depart on the next day, and continued his discourse till midnight;

Revelation 1:10

I was in the Spirit on the Lord's day, and heard behind me a loud voice as of a trumpet,

Treasury of Scripture Knowledge

Summary

This is the day which the LORD hath made; we will rejoice and be glad in it.

Bible References

The day

Matthew 28:1
And after the sabbath, when it began to dawn on the first day of the week, came Mary the Magdalene, and the other Mary, to see the tomb.
John 20:19
Then when it was evening, on that first day of the week, and the doors were shut where the disciples were for fear of the Jews, Jesus came and stood in the midst, and said to them, Peace be to you.
Acts 20:7
And on the first day of the week, we being assembled to break bread, Paul preached to them, being about to depart on the next day, and continued his discourse till midnight;
Revelation 1:10
I was in the Spirit on the Lord's day, and heard behind me a loud voice as of a trumpet,