bday {
  var %bday = June 7
  var %btime = 00:00:00
  var %byear = 1986

  var %year = $asctime(yyyy)
  var %date = $ctime(%bday %year %btime)

  if (%date < $ctime) {
    inc %year
    var %date = $ctime(%bday %year %btime)
  }
  if ($1) {
    $1 Time left to $me $+ 's $ord($calc(%year - %byear)) birthday: $duration($calc(%date - $ctime))
  }
  else {
    echo -a Time left to $me $+ 's $ord($calc(%year - %byear)) birthday: $duration($calc(%date - $ctime))
  }
}