<script>function Getremaindertime (startTime) { var S1 = new Date (Starttime.replace (/-/g, "/")), s2 = new Date (), runTime = parseint ((S2.gettime ()-s1.gettime ())/+); var year = Math.floor (runtime/86400/365); runtime = runtime% (86400 * 365); var month = Math.floor (RUNTIME/86400/30); runtime = runtime% (86400 *); var day = Math.floor (runtime/86400); runtime = runtime% 86400; var hour = Math.floor (runtime/3600); runtime = runtime% 3600; var minute = Math.floor (RUNTIME/60); runtime = runtime%; var second = RunTime; Console.log (Year,month,day,hour,minute,second); Return year+ ', ' +month+ ', ' +day+ ', ' +hour+ ', ' +minute+ ', ' +second;} Current time difference from 2018-05-10 var startTime = "2018-05-10"; Console.log (Getremaindertime (startTime));</script>
JS get two timestamps between how many hours a day how many minutes how many seconds