Matthew 28:1-8
Now as the Sabbath day ended and the first day of the week [i.e., Sunday] approached [Note: See Mark 16:1-2 for the exact timing], Mary from Magdala and the other Mary [i.e., Jesus' mother. See Matt. 27:56] went to look at the grave site.
John 20:19-20
So, when it was evening on that day, [which was] the first day of the week [i.e., Sunday] and the doors [of someone's house], where the disciples were gathered, were closed [i.e., probably locked] for fear of the Jewish authorities, Jesus came and stood among them. [Note: Probably Jesus passed through the closed door miraculously]. He said to them, "May there be peace in your hearts."
Acts 20:7
And on the first day of the week [i.e., Sunday], when we [disciples] had gathered together to break bread [i.e., the Lord's Supper. See I Cor. 11:20-24], Paul delivered a message that lasted until midnight, [since] he was planning to leave [Troas] the next day.
Revelation 1:10
I was in [i.e., under the influence of] the Holy Spirit on the Lord's day [i.e., Sunday], when I heard behind me a loud voice, like a trumpet,