<Tr> <Td> </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> A2 </Td> <Td> Boston </Td> <Td> 0 </Td> </Tr> <Tr> <Td> </Td> <Td> A3 </Td> <Td> Toronto </Td> <Td> 0 </Td> <Td> </Td> </Tr>

What day does the nhl regular season end