[рони]

AUTHOR234,

<script>
function getUnixtime(date)
           {
              date = new Date(Date.parse(date));
              date.setHours(0,0,0,0);
              return (date/1000|0) - date.getTimezoneOffset() * 60;
           }
document.write(getUnixtime("2020-2-2"))
  </script>