United States Time Zones

United States Time Zones | Virtual Species

Below is the script that is used to generate above table of contents_

     //START
     document.getElementById("outTmZn1").innerHTML = "Hawaii Time_ ";
     document.getElementById("outTmZn3").innerHTML = "Hawaii-Aleutian Time_ ";
     document.getElementById("outTmZn5").innerHTML = "Alaskan Time_ ";
     document.getElementById("outTmZn7").innerHTML = "Pacific Time_ ";
     document.getElementById("outTmZn9").innerHTML = "Mountain Time_ ";
     document.getElementById("outTmZn11").innerHTML = "Central Time_ ";
     document.getElementById("outTmZn13").innerHTML = "Eastern Time_ ";
     document.getElementById("outTmZn15").innerHTML = "Atlantic Time_ ";
     document.getElementById("outTmZn17").innerHTML = "GMT Time_ ";
     document.getElementById("outTmZn19").innerHTML = "Local Time_ ";
     setInterval(function(){ autoTmZn(); }, 1000);
     function autoTmZn() {
     Date.prototype.stdTimezoneOffset = function() {
         var jan = new Date(this.getFullYear(), 0, 1);
         var jul = new Date(this.getFullYear(), 6, 1);
         return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());}
     Date.prototype.dst = function() {return this.getTimezoneOffset() 
         < this.stdTimezoneOffset();}
     var today = new Date();
     var isDST = today.dst() ? true : false;
     var hwiOffSet = isDST ? 10 : 10;
     var hstOffSet = isDST ? 9 : 10;
     var akstOffSet = isDST ? 8 : 9;
     var pstOffSet = isDST ? 7 : 8;
     var mdtOffSet = isDST ? 6 : 7;
     var cstOffSet = isDST ? 5 : 6;
     var estOffSet = isDST ? 4 : 5;
     var astOffSet = isDST ? 4 : 5;
     var gmtOffSet = 1;
     hwiOffSet = hwiOffSet * 60 * 60 * 1000;
     hstOffSet = hstOffSet * 60 * 60 * 1000;
     akstOffSet = akstOffSet * 60 * 60 * 1000;
     pstOffSet = pstOffSet * 60 * 60 * 1000;
     mdtOffSet = mdtOffSet * 60 * 60 * 1000;
     cstOffSet = cstOffSet * 60 * 60 * 1000;
     estOffSet = estOffSet * 60 * 60 * 1000;
     astOffSet = astOffSet * 60 * 60 * 1000;
     gmtOffset = gmtOffSet * 60 * 60 * 1000;
     var todayMillis = today.getTime();
     var timeZoneOffset = (today.getTimezoneOffset() * 60 * 1000);
     var curretHWI = todayMillis - hwiOffSet;
     var curretHST = todayMillis - hstOffSet;
     var curretAKST = todayMillis - akstOffSet;
     var curretPST = todayMillis - pstOffSet;
     var curretMDT = todayMillis - mdtOffSet;
     var curretCST = todayMillis - cstOffSet; 
     var curretEST = todayMillis - estOffSet;
     var curretAST = todayMillis - astOffSet;
     var curretGMT = todayMillis - gmtOffSet;
     document.getElementById("outTmZn2").innerHTML = new Date(curretHWI).toUTCString();
     document.getElementById("outTmZn4").innerHTML = new Date(curretHST).toUTCString();
     document.getElementById("outTmZn6").innerHTML = new Date(curretAKST).toUTCString();
     document.getElementById("outTmZn8").innerHTML = new Date(curretPST).toUTCString();
     document.getElementById("outTmZn10").innerHTML = new Date(curretMDT).toUTCString();
     document.getElementById("outTmZn12").innerHTML = new Date(curretCST).toUTCString();
     document.getElementById("outTmZn14").innerHTML = new Date(curretEST).toUTCString();
     document.getElementById("outTmZn16").innerHTML = new Date(curretAST).toUTCString();
     document.getElementById("outTmZn18").innerHTML = new Date(curretGMT).toUTCString();
     document.getElementById("outTmZn20").innerHTML = 
         new Date(today.getTime() - timeZoneOffset ).toUTCString();
     }
     //END