Set Time Zone to Eastern on West Coast Gawker Blogs

By Gina Trapani — Last update Jul 2, 2008 — Installed 385 times. Daily Installs: 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 3 
// ==UserScript==
// @name          Set Time Zone to Eastern on West Coast Gawker Blogs
// @description	  Changes the post time stamp to the Eastern time on Lifehacker, io9, Defamer, and Valleywag.
// @namespace     http://ginatrapani.org/workshop/firefox/betterlifehacker/
// @include       http://lifehacker.com/*
// @include       http://io9.com/*
// @include       http://defamer.com/*
// @include       http://valleywag.com/*

// @author	Gina Trapani
// @conflict settimezonetopacific
// ==/UserScript==


window.addEventListener( 'load', function() { 
		var TZ_offset=3;
		var TZ_name="ET";

		//Linked post timestamps wrapped in <strong> tag
		var allElements, thisElement, elementContents, elementLen;
		var splitPos, curHour, curMin, curTimeOfDay; 
		var adjHour, adjMin, adjTime;

		allElements = document.getElementsByTagName('strong');
		for (var i = 0; i < allElements.length; i++) {
			thisElement = allElements[i];
			elementContents=thisElement.innerHTML;
			elementLen = elementContents.toString().length;
			if (elementLen > 2)	{
				curTimeOfDay = elementContents.substr(elementLen-2, 2);

				if ( curTimeOfDay == "PM" || curTimeOfDay == "AM") {
					//GM_log("Pacific Time: " + elementContents);
					splitPos = elementContents.indexOf(':');
					if(splitPos==1) { // Single Digit Hour 
						curHour = elementContents.substr( splitPos-1, 1);
					} else { // Double Digit Hour
						curHour = elementContents.substr(splitPos-2, 2);
					}
					curMin = elementContents.substr(splitPos+1, 2);
				
					adjHour = parseInt(curHour) + TZ_offset;
					if ( adjHour >= 12 ) {
						if ( adjHour != 15) 
							curTimeOfDay=="PM" ? curTimeOfDay="AM" : curTimeOfDay="PM";
						if ( adjHour > 12 ) 
							adjHour = adjHour-12;
					}
					
					//GM_log("ET hour is " + adjHour );

					adjTime = document.createElement('strong');
					adjTime.innerHTML=(adjHour + ":" + curMin + " " + curTimeOfDay + " " + TZ_name);
					thisElement.parentNode.replaceChild(adjTime, thisElement);
				} 

			}

		}

		// Most popular post timestamps
		var allDivs, thisDiv, restOfDate;
		allDivs = document.evaluate(
			"//div[@class='metadata']/p",
			document,
			null,
			XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
			null);
		for (var i = 0; i < allDivs.snapshotLength; i++) {
			thisDiv = allDivs.snapshotItem(i);

			if ( thisDiv.innerHTML.length > 15 && thisDiv.innerHTML.length < 30 ) 	{

				elementContents=thisDiv.innerHTML;
				restOfDate=elementContents.substr(8);
				elementContents=elementContents.substr(0, 7);
				elementLen=elementContents.length;
				curTimeOfDay = elementContents.substr(elementLen-2, 2);

				if ( curTimeOfDay == "PM" || curTimeOfDay == "AM") {
					//GM_log("Pacific Time: " + elementContents);
					splitPos = elementContents.indexOf(':');
					if(splitPos==1) { // Single Digit Hour 
						curHour = elementContents.substr( splitPos-1, 1);
					} else { // Double Digit Hour
						curHour = elementContents.substr(splitPos-2, 2);
					}
					curMin = elementContents.substr(splitPos+1, 2);
				
					adjHour = parseInt(curHour) + TZ_offset;
					if ( adjHour >= 12 ) {
						if ( adjHour != 15) 
							curTimeOfDay=="PM" ? curTimeOfDay="AM" : curTimeOfDay="PM";
						if ( adjHour > 12 ) 
							adjHour = adjHour-12;
					}

					thisDiv.innerHTML=adjHour+":"+curMin + " " + curTimeOfDay + " " + TZ_name + " " + restOfDate;
				}

			} 
		}

}, true);