<Table> <Tr> <Th_colspan="2"> Twelve Days of Christmas </Th> </Tr> <Tr> <Td_colspan="2"> The Adoration of the Magi . Fresco in the Lower Church of the Basilica of San Francesco d'Assisi in Assisi, Italy </Td> </Tr> <Tr> <Th> Observed by </Th> <Td> Christians </Td> </Tr> <Tr> <Th> Type </Th> <Td> Christian </Td> </Tr> <Tr> <Th> Observances </Th> <Td> Varies by denomination, culture, and nation </Td> </Tr> <Tr> <Th> Date </Th> <Td> 25 December--5 January, inclusive </Td> </Tr> <Tr> <Th> Frequency </Th> <Td> annual </Td> </Tr> <Tr> <Th> Related to </Th> <Td> Christmas Day, Christmastide, Twelfth Night, Epiphany, and Epiphanytide </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Twelve Days of Christmas </Th> </Tr>

When do the 12 days of christmas begin