Right time for a blog?

When
Is this the right year to start a blog? When is the right date?
Don't you need something to say to start blogging?
What
What do you want to say? Anything to be heard? Or do you want to reflect on your daily observations, their reason and consequences? Never without a context though.
Who
Brought up in the comfortable danish suburb, in middel class home, having spent more years in school than anyone else in the family, which obnoxious things could I possibly have experienced and relate to?

Stay tuned as the trail unfolds