The classical list of 27 nakshatras is first found in the " Vedanga Jyotisha ", a text dated to the 600-700 BCE . The nakshatra system predates the Hellenistic astronomy which became prevalent from about the 2nd century CE.
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The earliest known Indian astronomical work ( though it is restricted to calendrical discussions ) is the " Vedanga Jyotisha " of Lagadha, which is dated to 1400 1200 BCE ( with the extant form possibly from 700 600 BCE ).
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The Sanskrit grammatical tradition, VykaraGa, one of the six Vedangas, began in the late Vedic period and culminated in the " Acmdhyy + " of PGini, which consists of 3990 sutras ( ca . fifth century BCE ).
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The Vedangas likely developed towards the end of the vedic period, around or after the middle of the 1st millennium BCE . These auxiliary fields of Vedic studies emerged because the language of the Vedic texts composed centuries earlier grew too archaic to the people of that time.
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Rajbali Pandey compares the Upanayana rite of passage to Baptism in Christianity where the person is born again unto spiritual knowledge, in addition to it being the ancient Indian rite of passage for the start of formal education of writing, numbers, reading, Vedangas, arts and other skills.
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There are many Dharmashastras, variously estimated to be 18 to about 100, with different and conflicting points of view . } } Each of these texts exist in many different versions, and each is rooted in Dharmasutras texts dated to 1st millennium BCE that emerged from Kalpa ( Vedanga ) studies in the Vedic era.
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Dayananda Saraswati wrote more than 60 works in all, including a 16 volume explanation of the six Vedangas, an incomplete commentary on the Ashtadhyayi ( Panini's grammar ), several small tracts on ethics and morality, Vedic rituals and sacraments, and a piece on the analysis of rival doctrines ( such as Advaita Vedanta, Islam and Christianity ).
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The earliest Indian astronomical text named " [ [ Vedanga Jyotisha | ] ] " attributed to " Lagadha ", is considered one of the oldest astronomical texts, dating from 1400 1200 BCE ( with the extant form possibly from 700 600 BCE ), it details several astronomical attributes generally applied for timing social and religious events.
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The root is found in the Samhitas, the Brahmanas and other Vedic literature, as well as the Vedanga and Sutras literature . " Kirt ", according to Monier-Williams contextually means, " to mention, make mention of, tell, name, call, recite, repeat, relate, declare, communicate, commemorate, celebrate, praise, glorify ".
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The term " Hindu astrology " has been in use as the English equivalent of " Jyotica " since the early 19th century, whereas " Vedic astrology " is a relatively recent term, entering common usage in the 1980s with self-help publications on yurveda or Yoga . " Vedanga Jyotisha " is one of the earliest texts about astronomy within the Vedas.