Good Friday
April 2
Jesus was crucified on Friday, and buried before nightfall when the Feast of the Passover began.
See The Passover.

Easter / Ressurrection Morning
April 4
Jesus rose from the dead, giving victory over death to all who believe.
See The Passover.

Luke 24:1-3
"Now, upon the first day of the week, very early in the morning, they came unto the sepulchre ...
And they found the stone rolled away from the sepulchre.
And they entered in, and found not the body of the Lord Jesus."

Luke 24:4-6
"... behold, two men stood by them in shining garments:
And ... they said unto them, 'Why seek ye the living among the dead?
He is not here, but is risen: remember ...'"