<Tr> <Td> Central European Summer Time (UTC + 2) </Td> </Tr> <Tr> <Td> yellow </Td> <Td> Eastern European Time / Kaliningrad Time (UTC + 2) </Td> </Tr> <Tr> <Td> golden </Td> <Td> Eastern European Time (UTC + 2) </Td> </Tr> <Tr> <Td> Eastern European Summer Time (UTC + 3) </Td> </Tr>

How many time zones are there in the european union