Okay quick question .. Period is suppose to start today. BUT!!?

As of right know 2:37 pst time it has not arrived YET!!! I have used the restroom many times today. And is it normanl to have stingy mucus the day that AF is suppose to come... There was a little itty bitty bit of blood but still nothing... Is this normal or a sign...I havent tested Today.. because here in CA the day isnt over....... So nice response Ladies & Gents if any.. We are all adults........