"And Moses declared unto the children of Israel the feasts of the Lord." Lev 23:44

Passover - Redemption by Christ
Feast of Unleavened Bread - Righteousness of Saints
Feast of Firstfruits - Resurrection of Christ
Feast of Weeks - Residence by the Spirit
Feast of Trumpets - Return of Christ
Day of Atonement - Regathering of Israel
Feast of Tabernacles - Reign of Christ 
Sabbath - Rest for God's People