diff --git a/SoObjects/Appointments/MSExchangeFreeBusy.m b/SoObjects/Appointments/MSExchangeFreeBusy.m
index be8f5919b..f991ee884 100644
--- a/SoObjects/Appointments/MSExchangeFreeBusy.m
+++ b/SoObjects/Appointments/MSExchangeFreeBusy.m
@@ -1,6 +1,6 @@
 /* MSExchangeFreeBusy.m - this file is part of SOGo
  *
- * Copyright (C) 2012-2014 Inverse inc.
+ * Copyright (C) 2012-2016 Inverse inc.
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.h b/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.h
index 3553ef949..461e0fde4 100644
--- a/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.h
+++ b/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2012 Inverse inc.
+  Copyright (C) 2012-2016 Inverse inc.
 
   This file is part of SOGo.
 
diff --git a/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.m b/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.m
index 8c2e7f7d8..d193d393d 100644
--- a/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.m
+++ b/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.m
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2012 Inverse inc.
+  Copyright (C) 2012-2016 Inverse inc.
 
   This file is part of SOGo.
 
@@ -28,6 +28,8 @@
 #import <SOGo/NSDictionary+Utilities.h>
 #import <SOGo/NSObject+Utilities.h>
 #import <SOGo/NSString+Utilities.h>
+#import <SOGo/SOGoUser.h>
+#import <SOGo/SOGoUserDefaults.h>
 
 #import "MSExchangeFreeBusySOAPRequest.h"
 
@@ -110,4 +112,15 @@
   return [NSString stringWithFormat: @"%i", interval];
 }
 
+- (NSString *) bias
+{
+  NSTimeZone *userTimeZone;
+  NSInteger secs;
+
+  userTimeZone = [[[context activeUser] userDefaults] timeZone];
+  secs = [userTimeZone secondsFromGMT];
+
+  return [NSString stringWithFormat: @"%i", (secs/60)];
+}
+
 @end
diff --git a/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.wo/MSExchangeFreeBusySOAPRequest.html b/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.wo/MSExchangeFreeBusySOAPRequest.html
index 33627d9db..d50621afc 100644
--- a/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.wo/MSExchangeFreeBusySOAPRequest.html
+++ b/SoObjects/Appointments/MSExchangeFreeBusySOAPRequest.wo/MSExchangeFreeBusySOAPRequest.html
@@ -7,21 +7,21 @@
       <GetUserAvailabilityRequest xmlns="http://schemas.microsoft.com/exchange/services/2006/messages"
                                   xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types">
         <t:TimeZone xmlns="http://schemas.microsoft.com/exchange/services/2006/types">
-          <Bias>0</Bias>
-          <StandardTime>
-            <Bias>0</Bias>
-            <Time>00:00:00</Time>
-            <DayOrder>1</DayOrder>
-            <Month>1</Month>
-            <DayOfWeek>Sunday</DayOfWeek>
-          </StandardTime>
-          <DaylightTime>
-            <Bias>0</Bias>
-            <Time>00:00:00</Time>
-            <DayOrder>1</DayOrder>
-            <Month>1</Month>
-            <DayOfWeek>Sunday</DayOfWeek>
-          </DaylightTime>
+	  <Bias><#bias/></Bias>
+	  <StandardTime>
+	    <Bias>0</Bias>
+	    <Time>02:00:00</Time>
+	    <DayOrder>1</DayOrder>
+	    <Month>11</Month>
+	    <DayOfWeek>Sunday</DayOfWeek>
+	  </StandardTime>
+	  <DaylightTime>
+	    <Bias>-60</Bias>
+	    <Time>02:00:00</Time>
+	    <DayOrder>2</DayOrder>
+	    <Month>3</Month>
+	    <DayOfWeek>Sunday</DayOfWeek>
+	  </DaylightTime>
         </t:TimeZone>
         <MailboxDataArray>
           <t:MailboxData>