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Notes: All timings are represented in 24-hour notation in local time of Cambridge, United States with DST adjustment (if applicable).
Hours which are past midnight are suffixed with next day date. In Panchang day starts and ends with sunrise.
On Rigveda Upakarma day, Brahmins ritually change their Upanayana thread along with Shrauta rituals. Upakarma which is a Vedic ritual is still practiced by Hindus of Brahmin caste.
Upakarma is known as Avani Avittam in Tamil Nadu. The next day of Avani Avittam is known as Gayathiri Japam.
