DAYS OF THE WEEK PALAVA(by Sam Loyd)

Two children, who were confused  in their reckoning of the days of the week, paused on their way to school to straighten matters out. "When the day after tomorrow is yesterday," said David, "then 'today' will be as far from Sunday as that day was which was 'today' when the day before yesterday was tomorrow!"
On which day of the week did this confusion occur?

Answer:


The day is on a sunday,The two children were so befogged over the calendar that they had started on their way to school on Sunday morning!