javaScript проверьте, дата меньше, чем сегодня
function TDate() {
var UserDate = document.getElementById("userdate").value;
var ToDate = new Date();
if (new Date(UserDate).getTime() <= ToDate.getTime()) {
alert("The Date must be Bigger or Equal to today date");
return false;
}
return true;
}
Homemadesteam58