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

Yasa's fifty friends go forth

Attested across multiple schools

Fifty friends of , sons of leading families in the countryside, come to him; the Buddha teaches them, and all go forth and attain . Together with the Buddha there are now sixty-one arahants in the world.

Different Accounts

Number: most accounts give fifty; the later commentaries of the Southern tradition and the Buddhacarita give fifty-four (including the four friends above).

More differences between accounts (1)

Total number of arahants: the Pali canon of the Southern tradition, the Chinese Dharmaguptaka, Mahīśāsaka and Mūlasarvāstivāda Vinayas and the Tibetan Vinaya give sixty-one; the Buddha biography Zhongxu mohedi jing gives sixty (not counting the Buddha); the Guoqu xianzai yinguo jing, lacking the four friends, reaches fifty-six.

Dating

Year 1 after the Awakening, the Buddha aged thirty-five, during the , after the four friends went 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。