add setTZ

README.md

@@ -50,6 +50,11 @@ Use this method to set your server's hostname. It will be used to generate the f
 Use this method to set your feed's name.
 
 
+### setTZ(timezone)
+
+Use this method to set your feed's timezone.
+
+
 ### setProdID(prodID)
 
 This method is used to overwrite the default ProdID:

lib/ical-generator.js

@@ -33,6 +33,10 @@ var a = {
 					cal.name = name.toString();
 					return cal.methods;
 				},
+				setTZ: function(tz) {
+					cal.tz = tz.toString();
+					return cal.methods;
+				},
 				addEvent: function(e) {
 					var _event = {};
 
@@ -154,6 +158,12 @@ var a = {
 					if (cal.name) {
 						g += 'X-WR-CALNAME:' + cal.name + '\n';
 					}
+					
+					if (cal.tz) {
+						g += 'X-WR-TIMEZONE:' + cal.tz + '\n';
+					}else{
+						g += 'X-WR-TIMEZONE:UTC+8\n';
+					}
 
 					// Domain
 					if(!cal.domain) {