Ah! You have caught me in a rare typographical error! The phrase should have been: "of course it is Silly," -- "Silly" in this case is a proper noun and should have been capitalized.
Your confusion about the number of days involved results from a peculiar tendency to look backwards. We should explore this sometime. I refer to the number of days until "the end of June," to which the poll addresses itself.
You see what I mean about the need to get you help with the "stunningly obvious?"