You don't need the 'it' because you already have a subject.
'Today' is your subject. 'It' is a pronoun that you use when you don't have a subject, and it would be incorrect to put it in this sentence.
8 de fevereiro de 2016
1
2
Ainda não encontrou suas respostas?
Escreva suas perguntas e deixe os falantes nativos ajudá-lo!