According to The Denver Post the date 4/20 has evolved into a music festival holiday with many events at different venues. On tap this weekend,
. . . Snoop, Wiz Khalifa, Wyclef Jean, Slightly Stoopid, Matisyahu, Mac Miller, Karl Denson’s Tiny Universe, Talib Kweli, Leftover Salmon, B.o.B., Method & Red, Julian Marley, Paper Diamond, Nappy Roots, Collie Buddz and Pato Banton.
Red Rocks holds events on Easter and 4/20 which just happen to coincide this year. Today’s 6am Easter Sunrise Service is free. Later it’s Snoop Dogg and that’s sold out.
The date of Easter always falls on the first Sunday following the first full moon after the vernal equinox.