getOrdinal method
Returns the ordinal day number. Ex. 11th, 1st, 2nd, etc.
Implementation
String getOrdinal() {
if (day >= 11 && day <= 13) {
return "${day}th";
}
switch (day % 10) {
case 1:
return "${day}st";
case 2:
return "${day}nd";
case 3:
return "${day}rd";
default:
return "${day}th";
}
}