This is an amazing study on the Feasts of the Lord, authored by Iain Gordon at the Jesus Plus Nothing website. . Direct links to the studies as per below. This is an outstanding series, please consider going through them if you are interested.
The feasts of the Lord – An introduction and overview
The Spring Feasts – Jesus’ first coming
The Sacrifice – Jesus in the feast of Passover
The Burial – Jesus in the feast of Unleavened Bread
The Resurrection – Jesus in the feast of Firstfruits
The Comforter – Holy Spirit in the feast of Pentecost
Worthy is the Lamb! Blessings!