"Things are not what they appear to be: nor are they otherwise." --Surangama Sutra
Phenomenon, vast as space, dharmata is your base, arising and falling like ocean tide cycles, why do i cling to your illusion of unceasing changlessness?
But in Tibetan Tradition, the 10th Day of every lunar month is Guru Rinpoche Day....Vajrayana practitioners have celebratory pujas and tsok feasts on these days.