<?php
$hour = date("H");
$min  = date("i");
$sec  = date("s");
$day  = date("z");
$year = date("Y");
$set_today = time();
// year
$set_year = $year - 2000;
$final_year = $set_year;
// day
$new_years_date = mktime(0, 0, 0, 3, 20, $year);
$days_diff = $set_today - $new_years_date;
$final_day = floor($days_diff / (60 * 60 * 24));
// if new g-year but before new o-year
if ($days_diff < 0) {
  $last_year = $year - 1;
  $new_years_date = mktime(0, 0, 0, 3, 20, $last_year);
  $days_diff = $set_today - $new_years_date;
  $final_day = floor($days_diff / (60 * 60 * 24));
  $final_year = $set_year - 1;
}
if ($final_year < 100) {
  $zero_year = "0" . $final_year;
} else {
  $zero_year = $final_year;
}
echo $final_day . "-" . $zero_year;
?>