Lzh Sarv Upali 11Questions on Sabbath

Exposition of the Sūtra of Questions on the Buddhist Fast Day (Uposathapucchā)

Background

The Sūtra of Questions on the Buddhist Fast Day (Uposathapucchā) is found in the Vinaya Piṭaka, the collection of rules governing the life of the early Buddhist monastic community. It is part of the questions posed by Venerable Upali, the Buddha’s publicly recognized authority on the discipline, when he wished to understand more clearly the practice of the Uposatha ceremony.

Uposatha, the monthly observance or Buddhist fast day, is a fundamental practice in early Buddhism, held on the full-moon and new-moon days each month. It is an occasion when the Sangha gathers to recite the Pātimokkha, confess violations, and reestablish harmony in the monastic community. Although Uposatha was originally a monastic practice, laypeople may also observe the Buddhist fast day by keeping the eight basic precepts in order to accumulate merit.

This sūtra records the specific questions that Upali asked in the presence of the Buddha, in order to clarify the procedural and spiritual aspects of this rite. These include the preparations, valid conditions, and the substantive practice of the Uposatha day.

Main Content

Although the specific details of this sūtra have not yet been fully translated in the present material, on the basis of the Theravāda Vinaya tradition, Upali’s questions usually revolve around such matters as the proper time for reciting the Pātimokkha, the minimum number of bhikkhus who must be present, how to handle violations before the ceremony, and the conditions that make the Buddhist fast-day observance valid and sacred.

In these answers, the Buddha always emphasizes that Uposatha is not merely a formal procedure, but an opportunity for the Sangha to reflect upon itself, acknowledge unwholesome actions, and renew its commitment to the Noble Eightfold Path (Ariyattangikamagga). The spirit of the Buddhist fast day is to purify the mind, restore clarity, and nourish harmony among monastics who share the same purpose of liberation.