Have A Laugh Today

I am sharing some jokes:

#1: What word is always pronounced wrong?

#2: What do you lose whenever you stand up?

#3: What is very light, but cannot be held for long?

#4: What is the richest kind of air?

#5: Which runs faster, hot or cold?

#6: Why is the calendar so sad?

Hints:

#1: Wrong

#2: Your lap

#3:____your turn

#4: ____your turn

#5:_____your turn

#6: Because its days are numbered.