Seasonal Observance Day
Days of observance for initiated students, when purification is sought through the practice of meditation, vegetarianism, celibacy, and pure thought, speech, and action. Energies on these days, observed on the 1st and 15th of the Chinese calendar — the new moon and full moon — enhance our spiritual cultivation.
These days, especially the ones flagged as seasonal days, are great times for gathering with other meditators, even if you are not an initiated student.