<P> A full moon occurs when the Sun and the Moon appear separated by 180 ° . This lunar day is the considered auspicious for new beginnings . The Shukla ("bright") Paksha is the fortnight before, and the Krishna ("dark") Paksha is the fortnight after Purnima . </P> <P> This lunar phase lasts only for a while, when the Sun, Earth, and the Moon are aligned exactly in a straight line, called a syzygy of the Sun--Earth--Moon system . Full moon is considered the third of the four primary phases of the Moon; the other three phases are new moon, first quarter moon, and third quarter moon . The full moon shows 100% illumination, causes high tides, and can concur with lunar eclipses . </P> <Table> <Tr> <Th> Month </Th> <Th> Purnima Date (2018) </Th> <Th> Festivals </Th> </Tr> <Tr> <Td> Paush </Td> <Td> 02 January (Tuesday) </Td> <Td> Paush Purnima </Td> </Tr> <Tr> <Td> Magha </Td> <Td> 31 January (Wednesday) </Td> <Td> Magha Purnima </Td> </Tr> <Tr> <Td> Phalguna </Td> <Td> 01 March (Thursday) </Td> <Td> Holi </Td> </Tr> <Tr> <Td> Chaitra </Td> <Td> 31 March (Saturday) </Td> <Td> Hanuman Jayanti </Td> </Tr> <Tr> <Td> Vaishakha </Td> <Td> 30 April (Monday) </Td> <Td> Buddha Purnima </Td> </Tr> <Tr> <Td> Adhik Jyeshtha </Td> <Td> 29 May (Tuesday) </Td> <Td> Adhik Vat Purnima </Td> </Tr> <Tr> <Td> Jyeshtha </Td> <Td> 28 June (Thursday) </Td> <Td> Vat Purnima </Td> </Tr> <Tr> <Td> Ashadha </Td> <Td> 27 July (Friday) </Td> <Td> Guru Purnima </Td> </Tr> <Tr> <Td> Shravana </Td> <Td> 26 August (Sunday) </Td> <Td> Rakhi Purnima </Td> </Tr> <Tr> <Td> Ashwin </Td> <Td> 24 October (Wednesday) </Td> <Td> Kojagiri Purnima </Td> </Tr> <Tr> <Td> Kartik </Td> <Td> 23 November (Friday) </Td> <Td> Kartik Poornima </Td> </Tr> <Tr> <Td> Margashirsha </Td> <Td> 22 December (Saturday) </Td> <Td> Dattātreya Jayanti </Td> </Tr> </Table> <Tr> <Th> Month </Th> <Th> Purnima Date (2018) </Th> <Th> Festivals </Th> </Tr>

What is the date of purnima in this month