diff --git a/htdocs/admin/agenda_extsites.php b/htdocs/admin/agenda_extsites.php
index b133485f866..1da43046b13 100644
--- a/htdocs/admin/agenda_extsites.php
+++ b/htdocs/admin/agenda_extsites.php
@@ -63,7 +63,7 @@ if ($actionsave)
 	// Save agendas
 	while ($i <= $MAXAGENDA)
 	{
-		$name=trim(GETPOST('agenda_ext_name'.$i),'alpha');
+		$name=trim(GETPOST('agenda_ext_name'.$i,'alpha'));
 		$src=trim(GETPOST('agenda_ext_src'.$i,'alpha'));
 		$color=trim(GETPOST('agenda_ext_color'.$i,'alpha'));
 		if ($color=='-1') $color='';
@@ -76,7 +76,7 @@ if ($actionsave)
 			break;
 		}
 
-		//print 'color='.$color;
+		//print '-name='.$name.'-color='.$color;
 		$res=dolibarr_set_const($db,'AGENDA_EXT_NAME'.$i,$name,'chaine',0,'',$conf->entity);
 		if (! $res > 0) $error++;
 		$res=dolibarr_set_const($db,'AGENDA_EXT_SRC'.$i,$src,'chaine',0,'',$conf->entity);
diff --git a/htdocs/comm/action/class/ical.class.php b/htdocs/comm/action/class/ical.class.php
index 0e279adc03c..ae1abb6ea08 100644
--- a/htdocs/comm/action/class/ical.class.php
+++ b/htdocs/comm/action/class/ical.class.php
@@ -56,14 +56,13 @@ class ICal
     {
         $this->file = $file;
         $file_text='';
-        
+
         $tmparray=file($file);
         if (is_array($tmparray))
         {
         	$file_text = join("", $tmparray); //load file
-        	$file_text = preg_replace("/[\r\n]{1,} ([:;])/","\\1",$file_text);
+        	$file_text = preg_replace("/[\r\n]{1,} /","",$file_text);
         }
-        
         return $file_text; // return all text
     }
 
@@ -115,6 +114,7 @@ class ICal
             {
                 // get Key and Value VCALENDAR:Begin -> Key = VCALENDAR, Value = begin
                 list($key, $value) = $this->retun_key_value($text);
+				//var_dump($text.' -> '.$key.' - '.$value);
 
                 switch ($text) // search special string
                 {
@@ -165,6 +165,8 @@ class ICal
                 }
             }
         }
+
+        //var_dump($this->cal);
         return $this->cal;
     }
 
@@ -236,6 +238,7 @@ class ICal
      */
     function retun_key_value($text)
     {
+    	/*
         preg_match("/([^:]+)[:]([\w\W]+)/", $text, $matches);
 
         if (empty($matches))
@@ -246,8 +249,8 @@ class ICal
         {
             $matches = array_splice($matches, 1, 2);
             return $matches;
-        }
-
+        }*/
+		return explode(':',$text,2);
     }
 
     /**
diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index fbb9400acff..efe47defd92 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -146,9 +146,11 @@ if (empty($conf->global->AGENDA_DISABLE_EXT) && $conf->global->AGENDA_EXT_NB > 0
         $source='AGENDA_EXT_SRC'.$i;
         $name='AGENDA_EXT_NAME'.$i;
         $color='AGENDA_EXT_COLOR'.$i;
+        $buggedfile='AGENDA_EXT_BUGGEDFILE'.$i;
         if (! empty($conf->global->$source) && ! empty($conf->global->$name))
         {
-        	$listofextcals[]=array('src'=>$conf->global->$source,'name'=>$conf->global->$name,'color'=>$conf->global->$color);
+        	// Note: $conf->global->buggedfile can be empty or 'uselocalandtznodaylight' or 'uselocalandtzdaylight'
+        	$listofextcals[]=array('src'=>$conf->global->$source,'name'=>$conf->global->$name,'color'=>$conf->global->$color,'buggedfile'=>(isset($conf->global->buggedfile)?$conf->global->buggedfile:0));
         }
     }
 }
@@ -527,9 +529,11 @@ if (count($listofextcals))
         $url=$extcal['src'];    // Example: https://www.google.com/calendar/ical/eldy10%40gmail.com/private-cde92aa7d7e0ef6110010a821a2aaeb/basic.ics
         $namecal = $extcal['name'];
         $colorcal = $extcal['color'];
-        //print "url=".$url." namecal=".$namecal." colorcal=".$colorcal;
+        $buggedfile = $extcal['buggedfile'];
+        //print "url=".$url." namecal=".$namecal." colorcal=".$colorcal." buggedfile=".$buggedfile;
         $ical=new ICal();
         $ical->parse($url);
+
         // After this $ical->cal['VEVENT'] contains array of events, $ical->cal['DAYLIGHT'] contains daylight info, $ical->cal['STANDARD'] contains non daylight info, ...
         //var_dump($ical->cal); exit;
         $icalevents=array();
@@ -643,6 +647,8 @@ if (count($listofextcals))
             // Loop on each entry into cal file to know if entry is qualified and add an ActionComm into $eventarray
             foreach($icalevents as $icalevent)
             {
+            	//var_dump($icalevent);
+
                 //print $icalevent['SUMMARY'].'->'.var_dump($icalevent).'<br>';exit;
                 if (! empty($icalevent['RRULE'])) continue;    // We found a repeatable event. It was already split into unitary events, so we discard general rule.
 
@@ -659,12 +665,36 @@ if (count($listofextcals))
                     $event->fulldayevent=true;
                     $addevent=true;
                 }
-                elseif (!is_array($icalevent['DTSTART'])) // not fullday event (DTSTART is not array)
+                elseif (!is_array($icalevent['DTSTART'])) // not fullday event (DTSTART is not array. It is a value like '19700101T000000Z' for 00:00 in greenwitch)
                 {
                     $datestart=$icalevent['DTSTART'];
                     $dateend=$icalevent['DTEND'];
                     $addevent=true;
                 }
+                elseif (isset($icalevent['DTSTART']['unixtime']))	// File contains a local timezone + a TZ (for example when using bluemind)
+                {
+                    $datestart=$icalevent['DTSTART']['unixtime'];
+                    $dateend=$icalevent['DTEND']['unixtime'];
+                    // $buggedfile is set to uselocalandtznodaylight if conf->global->AGENDA_EXT_BUGGEDFILEx = 'uselocalandtznodaylight'
+                    if ($buggedfile === 'uselocalandtznodaylight')	// unixtime is a local date that does not take daylight into account, TZID is +1 for example for 'Europe/Paris' in summer instead of 2
+                    {
+                    	// TODO
+                    }
+                    // $buggedfile is set to uselocalandtzdaylight if conf->global->AGENDA_EXT_BUGGEDFILEx = 'uselocalandtzdaylight' (for example with bluemind)
+                    if ($buggedfile === 'uselocalandtzdaylight')	// unixtime is a local date that does take daylight into account, TZID is +2 for example for 'Europe/Paris' in summer
+                    {
+                    	$localtzs = new DateTimeZone(preg_replace('/"/','',$icalevent['DTSTART']['TZID']));
+                    	$localtze = new DateTimeZone(preg_replace('/"/','',$icalevent['DTEND']['TZID']));
+                    	$localdts = new DateTime(dol_print_date($datestart,'dayrfc','gmt'), $localtzs);
+                    	$localdte = new DateTime(dol_print_date($dateend,'dayrfc','gmt'), $localtze);
+						$tmps=-1*$localtzs->getOffset($localdts);
+						$tmpe=-1*$localtze->getOffset($localdte);
+						$datestart+=$tmps;
+						$dateend+=$tmpe;
+						//var_dump($datestart);
+                    }
+                    $addevent=true;
+                }
 
                 if ($addevent)
                 {
diff --git a/htdocs/core/lib/agenda.lib.php b/htdocs/core/lib/agenda.lib.php
index e66d24e576e..f6c84bdeb4a 100644
--- a/htdocs/core/lib/agenda.lib.php
+++ b/htdocs/core/lib/agenda.lib.php
@@ -39,7 +39,7 @@
  * @param 	string	$filterd		Filter of done by user
  * @param 	int		$pid			Product id
  * @param 	int		$socid			Third party id
- * @param	array	$showextcals	Array with list of external calendars, or -1 to show no legend
+ * @param	array	$showextcals	Array with list of external calendars (used to show links to select calendar), or -1 to show no legend
  * @param	string	$actioncode		Preselected value of actioncode for filter on type
  * @return	void
  */
@@ -136,7 +136,7 @@ function print_actions_filter($form, $canedit, $status, $year, $month, $day, $sh
 		print '});' . "\n";
 		print '</script>' . "\n";
 		print '<table>';
-		if (! empty($conf->global->MAIN_JS_SWITCH_AGENDA))
+		if (! empty($conf->use_javascript_ajax))
 		{
 			if (count($showextcals) > 0)
 			{
@@ -147,7 +147,10 @@ function print_actions_filter($form, $canedit, $status, $year, $month, $day, $sh
 					print '<tr><td>';
 					print '<script type="text/javascript">' . "\n";
 					print 'jQuery(document).ready(function () {' . "\n";
-					print 'jQuery("#check_' . $htmlname . '").click(function() { jQuery(".family_' . $htmlname . '").toggle(); });' . "\n";
+					print '		jQuery("#check_' . $htmlname . '").click(function() {';
+					print ' 		/* alert("'.$htmlname.'"); */';
+					print ' 		jQuery(".family_' . $htmlname . '").toggle();';
+					print '		});' . "\n";
 					print '});' . "\n";
 					print '</script>' . "\n";
 					print '<input type="checkbox" id="check_' . $htmlname . '" name="check_' . $htmlname . '" checked="true"> ' . $val ['name'];
@@ -434,9 +437,9 @@ function actions_prepare_head($object)
 	$head[$h][1] = $langs->trans('Info');
 	$head[$h][2] = 'info';
 	$h++;
-	
+
 	complete_head_from_modules($conf,$langs,$object,$head,$h,'action');
-	
+
 	complete_head_from_modules($conf,$langs,$object,$head,$h,'action','remove');
 
 	return $head;