: It was born with Lord Prajapati in ancient times.

Before chanting the Gayatri, the Guru invokes the deity of the mantra.

Depending on the specific occasion—whether it is the initial ceremony ( Upanayana ) or the daily changing of the thread—different mantras are used:

: The mantras are used during the Upanayana (thread ceremony) or when changing an old thread ( Paita ) for a new one, typically on Shravana Purnima (Gamha Purnima).

Paita Mantra (also known as the Yagnopavit Bratopanayana Mantra

: May this white thread bestow longevity and excellence.