diff --git a/bin/addons/base/res/res_log.py b/bin/addons/base/res/res_log.py
index 1c0102c1c79..8d5f501866a 100644
--- a/bin/addons/base/res/res_log.py
+++ b/bin/addons/base/res/res_log.py
@@ -33,11 +33,11 @@ class res_log(osv.osv_memory):
         'res_id': fields.integer('Object ID'),
         'secondary': fields.boolean('Secondary Log', help='Do not display this log if it belongs to the same object the user is working on'),
         'create_date': fields.datetime('Created Date', readonly=True),
-        'read': field.boolean('Read status', help="If this log item has been read, get() should not send it to the client")
+        'read': fields.boolean('Read status', help="If this log item has been read, get() should not send it to the client")
     }
     _defaults = {
         'user_id': lambda self,cr,uid,ctx: uid,
-        'create_date': time.strftime('%Y-%m-%d %H:%M:%S'),
+        'create_date': fields.datetime.now,
         'context': "{}",
         'read': False
     }
@@ -51,7 +51,7 @@ class res_log(osv.osv_memory):
         unread_logs = self.read(cr, uid, unread_log_ids,
                                 ['name','res_model','res_id'],
                                 context=context)
-        self.write(cr, uid, ids, {'read': True}, context=context)
+        self.write(cr, uid, unread_log_ids, {'read': True}, context=context)
         return unread_logs
 
     def search(self, cr, uid, args, offset=0, limit=None, order=None, context=None, count=False):
@@ -64,5 +64,4 @@ class res_log(osv.osv_memory):
             logs.update({log.res_model: res_dict})
         res = map(lambda x: x.values(), logs.values())
         return tools.flatten(res)
-
 res_log()
diff --git a/bin/osv/fields.py b/bin/osv/fields.py
index 64432ba15d7..f4442761bb8 100644
--- a/bin/osv/fields.py
+++ b/bin/osv/fields.py
@@ -32,6 +32,7 @@
 #   size
 #
 from collections import defaultdict
+import datetime as DT
 import string
 import netsvc
 import sys
@@ -189,14 +190,42 @@ class float(_column):
 
 class date(_column):
     _type = 'date'
+    @staticmethod
+    def today(*args):
+        """ Returns the current date in a format fit for being a
+        default value to a ``date`` field.
 
+        This method should be provided as is to the _defaults dict, it
+        should not be called.
+        """
+        return DT.date.today().strftime(
+            tools.DEFAULT_SERVER_DATE_FORMAT)
 
 class datetime(_column):
     _type = 'datetime'
+    @staticmethod
+    def now(*args):
+        """ Returns the current datetime in a format fit for being a
+        default value to a ``datetime`` field.
 
+        This method should be provided as is to the _defaults dict, it
+        should not be called.
+        """
+        return DT.datetime.now().strftime(
+            tools.DEFAULT_SERVER_DATETIME_FORMAT)
 
 class time(_column):
     _type = 'time'
+    @staticmethod
+    def now( *args):
+        """ Returns the current time in a format fit for being a
+        default value to a ``time`` field.
+
+        This method should be proivided as is to the _defaults dict,
+        it should not be called.
+        """
+        return DT.datetime.now().strftime(
+            tools.DEFAULT_SERVER_TIME_FORMAT)
 
 class binary(_column):
     _type = 'binary'
diff --git a/bin/tools/misc.py b/bin/tools/misc.py
index b3b3d7d9baa..81707156244 100644
--- a/bin/tools/misc.py
+++ b/bin/tools/misc.py
@@ -1323,7 +1323,10 @@ def get_server_timezone():
 
 
 DEFAULT_SERVER_DATE_FORMAT = "%Y-%m-%d"
-DEFAULT_SERVER_DATETIME_FORMAT = DEFAULT_SERVER_DATE_FORMAT + " %H:%M:%S"
+DEFAULT_SERVER_TIME_FORMAT = "%H:%M:%S"
+DEFAULT_SERVER_DATETIME_FORMAT = "%s %s" % (
+    DEFAULT_SERVER_DATE_FORMAT,
+    DEFAULT_SERVER_TIME_FORMAT)
 
 def server_to_local_timestamp(src_tstamp_str, src_format, dst_format, dst_tz_name,
         tz_offset=True, ignore_unparsable_time=True):