Answer:
If the day before yesterday is the 23rd, then what is the day after tomorrow.
What hatches without food?
In birth I spring forth, in life I unfold. In death I wilt and die, but rebirth restores all.
It is a popular afterlife destination where you want to send people when you're mad at them.
What instrument can make any sound and be heard but not touched or seen?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.