Innocents' Day jokes

Why are there only 363 days in an orphan's calendar? They don't have Father's or Mother's Day.

April Fool's joke: Go to an orphanage and tell them, "Their parents came back."

It's April Fools' Day. I'm gonna go to the orphanage and tell kids, "Their parents are here to pick them up."

April Fools' joke: Go to an orphanage and say your parents came back.

Why do orphans only have 363 days of the year? They don't have Mother's or Father's Day.