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

Kassapa's two younger brothers go forth with their disciples

Attested across multiple schools

's two younger brothers, and , live downstream on the Nerañjarā. Seeing their elder brother's ritual implements and hair-knots floating down the river, they think he has been killed and go upstream with their disciples, only to learn that he has gone forth; they then go forth with their disciples as well. The disciples of the three brothers number a thousand in all.

Different Accounts

Number of disciples: the Pali canon of the Southern tradition, the Chinese Dharmaguptaka and Mahīśāsaka Vinayas and the Ekottarika Āgama give three hundred and two hundred; the Chinese Mūlasarvāstivāda Vinaya, the Tibetan Vinaya and several Buddha biographies give two hundred and fifty each.

More differences between accounts (2)

The Buddha biography Fo benxing ji jing further says that Upasena, a nephew of the three brothers, went forth with two hundred and fifty followers; the list of those who went forth in the Chinese Mahāsāṃghika Vinaya also includes “Upasena and others, two hundred and fifty”; other accounts do not have this.

The Buddha biography Guoqu xianzai yinguo jing has the Buddha teach the two brothers here about “the raging fire of the three poisons, greed, hatred and delusion”, and does not record a separate teaching on .

Dating

Year 2 after the Awakening, the Buddha aged thirty-six, before the , immediately after the conversion of Uruvela Kassapa; inferred from the sequence of events, known only to fall within this period.

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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 2 after the Awakening · The Buddha at 36

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。