diff --git a/scripts/xsltproc.py b/scripts/xsltproc.py
index f31bb7e..7b82bfb 100755
--- a/scripts/xsltproc.py
+++ b/scripts/xsltproc.py
@@ -1,5 +1,5 @@
 #!/usr/bin/python
-import os, sys, urllib, libxml2, libxslt, ldap, time, datetime, re
+import os, sys, urllib, libxml2, libxslt, ldap, time, datetime, re, pytz
 
 #
 # globals
@@ -138,11 +138,13 @@ def cscIcalDatetime(ctx, date, time, addmin = "0"):
     hour, minute = (0, 0)
     if r != None:
         hour, minute = (int(i) for i in r.groups()[:2])
+        hour %= 12 #hour % 12
         if r.group(3) in 'pP':
             hour += 12
     dt = datetime.datetime(year, month, day, hour, minute)
+    dt = pytz.timezone('Canada/Eastern').localize(dt)
     dt += datetime.timedelta(0, 0, 0, 0, addmin)
-    return dt.strftime("%Y%m%dT%H%M%S")
+    return dt.astimezone(pytz.utc).strftime("%Y%m%dT%H%M%SZ")
 
 #
 # csc:ical-escape
@@ -150,9 +152,9 @@ def cscIcalDatetime(ctx, date, time, addmin = "0"):
 def cscIcalEscape(ctx, str):
     str = xslArgToString(str)
     str = str.replace("\n", " ")
-    str = str.replace(":", "")
-    str = str.replace(";", "")
-    str = str.replace(",", "")
+    #str = str.replace(":", "")
+    #str = str.replace(";", "")
+    #str = str.replace(",", "")
     str = re.sub("\s+", " ", str)
     str = re.sub("^\s+", "", str)
     str = re.sub("\s+$", "", str)
diff --git a/xsl/ics.xsl b/xsl/ics.xsl
index e05ee77..fe2470b 100644
--- a/xsl/ics.xsl
+++ b/xsl/ics.xsl
@@ -11,31 +11,8 @@ VERSION:2.0
 X-WR-CALNAME:University of Waterloo Computer Science Club
 PRODID:-//Apple Computer, Inc//iCal 2.0//EN
 X-WR-RELCALID:3359A191-B19E-4B53-BADC-DFC084FC51C9
-X-WR-TIMEZONE:Canada/Eastern
 CALSCALE:GREGORIAN
 METHOD:PUBLISH
-BEGIN:VTIMEZONE
-TZID:Canada/Eastern
-LAST-MODIFIED:20060912T200739Z
-BEGIN:DAYLIGHT
-DTSTART:20060301T070000
-TZOFFSETTO:-0400
-TZOFFSETFROM:+0000
-TZNAME:EDT
-END:DAYLIGHT
-BEGIN:STANDARD
-DTSTART:20061029T020000
-TZOFFSETTO:-0500
-TZOFFSETFROM:-0400
-TZNAME:EST
-END:STANDARD
-BEGIN:DAYLIGHT
-DTSTART:20070311T010000
-TZOFFSETTO:-0400
-TZOFFSETFROM:-0500
-TZNAME:EDT
-END:DAYLIGHT
-END:VTIMEZONE
 <xsl:for-each select="eventitem"><xsl:call-template name="eventitem" /></xsl:for-each>
 END:VCALENDAR
 </xsl:template>
@@ -52,8 +29,8 @@ LOCATION:University of Waterloo - <xsl:value-of select="$room" />
 DTSTAMP:20060912T200708Z
 UID:<xsl:value-of select="$start" />@csclub.uwaterloo.ca
 SEQUENCE:11
-DTSTART;TZID=Canada/Eastern:<xsl:value-of select="$start" />
-DTEND;TZID=Canada/Eastern:<xsl:value-of select="$end" />
+DTSTART:<xsl:value-of select="$start" />
+DTEND:<xsl:value-of select="$end" />
 SUMMARY:<xsl:value-of select="$title" /><xsl:if test="$short != ''"> -- <xsl:value-of select="$short" /></xsl:if>
 DESCRIPTION:<xsl:value-of select="$abstract" />
 END:VEVENT