diff --git a/SWADroid/src/es/ugr/swad/swadroid/Global.java b/SWADroid/src/es/ugr/swad/swadroid/Global.java
index 500277f8..0806f28c 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/Global.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/Global.java
@@ -32,6 +32,14 @@ public class Global {
      * User logged flag
      */
     private static boolean logged;
+    /**
+     * Time of application's last login
+     */
+    private static long lastLoginTime;
+    /**
+     * Time to force relogin
+     */
+    public static final int RELOGIN_TIME = 86400000; //24h
     /**
      * Request code for Login module.
      */
@@ -123,6 +131,20 @@ public class Global {
 		Global.logged = logged;
 	}
 	
+	/**
+	 * Gets start time of application
+	 * @return Start time of application
+	 */
+	public static long getLastLoginTime() {
+		return lastLoginTime;
+	}
+	/**
+	 * Sets start time of application
+	 * @param l Start time of application
+	 */
+	public static void setLastLoginTime(long l) {
+		Global.lastLoginTime = l;
+	}
 	/**
 	 * Function to parse from Integer to Boolean
 	 * @param n Integer to be parsed
diff --git a/SWADroid/src/es/ugr/swad/swadroid/modules/Login.java b/SWADroid/src/es/ugr/swad/swadroid/modules/Login.java
index 9d626487..266e6177 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/modules/Login.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/modules/Login.java
@@ -97,7 +97,8 @@ public class Login extends Module {
     protected void requestService()
             throws NoSuchAlgorithmException, IOException, XmlPullParserException, SoapFault, IllegalAccessException, InstantiationException {
 
-    	if(!Global.isLogged())
+    	//If the application isn't logged or last login time > Global.RELOGIN_TIME, force login
+    	if(!Global.isLogged() || (System.currentTimeMillis()-Global.getLastLoginTime() > Global.RELOGIN_TIME))
     	{
 	        //Encrypts user password with SHA-512 and encodes it to Base64UrlSafe   	
 	        md = MessageDigest.getInstance("SHA-512");
@@ -124,6 +125,9 @@ public class Login extends Module {
 		        User.setUserSurname2(ks.getProperty(5).toString());
 		        User.setUserFirstName(ks.getProperty(6).toString());
 		        User.setUserTypeName(ks.getProperty(7).toString());
+		        
+		        //Update application last login time
+		        Global.setLastLoginTime(System.currentTimeMillis());
 	        }
     	}
     	
@@ -136,6 +140,7 @@ public class Login extends Module {
     		Log.d(TAG, "userSurname2=" + User.getUserSurname2());
     		Log.d(TAG, "userFirstName=" + User.getUserFirstName());
     		Log.d(TAG, "userTypeName=" + User.getUserTypeName());
+    		Log.d(TAG, "lastLoginTime=" + Global.getLastLoginTime());
     	}
     	
         //Request finalized without errors