Hand-drawn Buddha symbol and buddha chronicle wordmark
Based on the sutras, the Vinaya and later commentaries
About the Sources

Yasa's four friends go forth

Attested across multiple schools

Four friends of in hear that he has gone forth and come to the Deer Park. The Buddha teaches them; the four attain the and go forth, and before long all attain ; there are now eleven arahants in the world. The Chinese Dharmaguptaka Vinaya names the four Vimala, Subāhu, Puṇṇaji and (Wugou, Shanbi, Manyuan and Jiafanpoti).

Different Accounts

The four names differ between sources, and how the names in the different sources correspond can only be guessed from their meanings.

More differences between accounts (2)

The Chinese Mūlasarvāstivāda Vinaya says the Buddha ordained them simply by calling “Come, ”, without first teaching them, and groups the four with Yasa as five sons of wealthy families (sons of householders).

The Buddha biographies Guoqu xianzai yinguo jing, the Buddhacarita and the Fangguang da zhuangyan jing do not have these four friends.

Dating

Year 1 after the Awakening, the Buddha aged thirty-five, during the , soon after Yasa's going forth; inferred from the sequence of events, known only to fall within this rains retreat.

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Research Notes: Reliability, Dating and Sources
How Reliability Is Assessed

Recorded by four schools: the Pali canon of the Southern tradition, the Chinese Dharmaguptaka Vinaya (Sifen lü), the Chinese Mahīśāsaka Vinaya (Wufen lü) and the Chinese Saṅghabhedavastu of the Mūlasarvāstivāda Vinaya. Attested across multiple schools.

Dating Evidence and Precision

Inferred from the sequence of events (neither the canonical texts nor the commentaries give the time; the year is worked out from the order of this event and those around it). Time precision: approximate range.

Sources

Back to Year 1 after the Awakening · The Buddha at 35

Source text

日期怎麼讀

成道第幾年
從佛陀成道開始,每經過一次雨季安居算一年,每一年算到安居結束為止;所有年歲一律依二十九歲出家、三十五歲成道推算。
年份依據
區分經文自己明記、後世註解書記載、先後順序推定及年歲換算。
時間精確度
分別說明確定到日、月、年,或只能放入某幾年之間。
可信度
多派共傳、兩派記載、單派記載與後世補述,表達記載的共傳範圍;與時間及位置是否確定分開閱讀。