Answer:
When the day after tomorrow is yesterday. Today will be as far from Wednesday. As today was from Wednesday. When the day before yesterday was tomorrow. What is the day after this day?
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
You eat something you neither plant nor plow. It is the son of water, but if water touches it, it dies.
It cannot be seen, it weighs nothing, but when put into a barrel, it makes it lighter.
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.
I can only be played on a windy day
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?