2. Amavasya and Pradipada in other Sceinces

Notion of new moon in the beginning was the first citing of full moon to waning crescent. The western astronomy defined the new moon as when the Sun and Moon is conjunct at the same time the Moon becomes invisible which is marked as Amavasya.^[1] As described in Goladeepika of Parameswara (1443CE), the moon is the veiling object of the Sun and Moon as the hiding object is the huge shadow on earth. The shadow of the earth will always remain to be in the seventh sign of the Sun (180^o) moving with the identical velocity of the latter. The Speed of light is indicated in Rig Veda is 189,547 miles per second, which is further modified by the modern astronomers as 186,000 miles a second. The calculation made by our ancient seers are very accurate at par with modern scientific modified versions.

According to Tantrik Sidhantas, human Life has its dark and light which is two sides of the same object. They deliberate the Sun and Moon as male and female as the incarnation of Shiva and Shakti. In Tantras, the moon is often reflected as the symbol of Devi, during dark or bright fortnight. When the moon starts wane, its image considers as tamasik iconography and progressively becomes dark and frightened correspondingly. Under the waxing stage, it becomes the rajasic, representing Devi Tripura or as post-menstruating woman deity as Bhairavi. As indicated in Tantraraja Tantra, the revolution of moon with waxing stage around the earth described as