The original three sets of mysteries have been around about 800 years, and the dates of these feasts on the calendar even longer. The Luminous mysteries, in Church time, have been around about 15 minutes. They don’t fit in the liturgical pattern—and that’s ok, though they certainly add something of value. Incarnation-Passion-Eternity captures all that is most essential, and what served for 800 years is still worth reflecting on from time to time.
But at least 3 of the 5 mysteries in the Luminous, Baptism of the Lord, Transfiguration, and the Last Supper do have feasts, the first two by the same names, and the last one, Holy Thursday.
Even the other 2, the first miracle at Cana, is often spoken in regards to the 3 mafestations of Jesus, the first two when the Magi came to visit the infant Christ, his baptism in Jordan, the first miracle at Cana. Also call Ephanny.
The last mystery, the proclamation of the Kingdom of God, for the seasons of Advent and Lent, the two times of the year when we are call to conversion bigtime.
Plus the Luminous mysteries came out about 20 years, though a thin pizza slice in the history of the Church, but still an important part in time. Those mysteries honor the other three.