Each Mystery of the Rosary is a verse out of The Holy Bible.

The Joyful Mysteries are About the Angel asking Mary if She would have God's Son, Mary visting Elizabeth [who was pregnet with john the baptist], The Birth of Jesus,
The Pesentation of Jesus in the temple, And returning to find the child Jesus in the Temple Talking to Prists.

The Sorrowful Mysteries are about Jesus's Agony in the garden, Scourging at the pillar, Crowning with Thorns, Carrying of the Cross and His Crucifixion.

The Glorious Mysteries are about Jesus's Resurrection, Ascenson, The descention of The Holy Spirit , St.Mary's Assumotion And Coronation

As a general rule,
Joyful Mysteries are said on Monday and Thursday; Sorrowful Mysteries on Tuesday and Friday; the Glorious Mysteries on Wednesday and Saturday. Depending on the Season, each of the Mystries is recommmended for Sunday.
Joyful Mysteries
Sorrowful Mysteries
Glorious Mysteries
Mysteries of the Rosary
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