- X gives “Oct 16, 1989”? and Y gives “1989-10-16”?
- X gives “1989-10-16”? and Y gives “16/10/1989”?
- X gives”16/10/1989″? and Y gives “1989-10-16”?
- X gives “1989-10-16”? and Y gives “624499200”?

- X gives “Oct 16, 1989”? and Y gives “1989-10-16”?
- X gives “1989-10-16”? and Y gives “16/10/1989”?
- X gives”16/10/1989″? and Y gives “1989-10-16”?
- X gives “1989-10-16”? and Y gives “624499200”?