diff --git a/addons/account/account.py b/addons/account/account.py
index 1ffb72c0c22..215c5fe00ba 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -933,11 +933,12 @@ class account_fiscalyear(osv.osv):
                 if de.strftime('%Y-%m-%d') > fy.date_stop:
                     de = datetime.strptime(fy.date_stop, '%Y-%m-%d')
 
+                context_today = fields.date.context_today(cr,uid,context=context)
                 period_obj.create(cr, uid, {
                     'name': ds.strftime('%m/%Y'),
                     'code': ds.strftime('%m/%Y'),
-                    'date_start': ds.strftime('%Y-%m-%d'),
-                    'date_stop': de.strftime('%Y-%m-%d'),
+                    'date_start': context_today,
+                    'date_stop': context_today,
                     'fiscalyear_id': fy.id,
                 })
                 ds = ds + relativedelta(months=interval)
@@ -950,7 +951,7 @@ class account_fiscalyear(osv.osv):
     def finds(self, cr, uid, dt=None, exception=True, context=None):
         if context is None: context = {}
         if not dt:
-            dt = time.strftime('%Y-%m-%d')
+            dt = fields.date.context_today(cr,uid,context=context)
         args = [('date_start', '<=' ,dt), ('date_stop', '>=', dt)]
         if context.get('company_id', False):
             args.append(('company_id', '=', context['company_id']))
@@ -1039,7 +1040,7 @@ class account_period(osv.osv):
     def find(self, cr, uid, dt=None, context=None):
         if context is None: context = {}
         if not dt:
-            dt = time.strftime('%Y-%m-%d')
+            dt = fields.date.context_today(cr,uid,context=context)
 #CHECKME: shouldn't we check the state of the period?
         args = [('date_start', '<=' ,dt), ('date_stop', '>=', dt)]
         if context.get('company_id', False):
@@ -1280,7 +1281,7 @@ class account_move(osv.osv):
         'name': '/',
         'state': 'draft',
         'period_id': _get_period,
-        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'date': fields.date.context_today,
         'company_id': lambda self, cr, uid, c: self.pool.get('res.users').browse(cr, uid, uid, c).company_id.id,
     }
 
@@ -2269,7 +2270,7 @@ class account_model(osv.osv):
                 'ref': entry['name'],
                 'period_id': period_id,
                 'journal_id': model.journal_id.id,
-                'date': context.get('date',time.strftime('%Y-%m-%d'))
+                'date': context.get('date', fields.date.context_today(cr,uid,context=context))
             })
             move_ids.append(move_id)
             for line in model.lines_id:
@@ -2306,7 +2307,7 @@ class account_model(osv.osv):
                     'account_id': line.account_id.id,
                     'move_id': move_id,
                     'partner_id': line.partner_id.id,
-                    'date': context.get('date',time.strftime('%Y-%m-%d')),
+                    'date': context.get('date', fields.date.context_today(cr,uid,context=context)),
                     'date_maturity': date_maturity
                 })
                 account_move_line_obj.create(cr, uid, val, context=ctx)
@@ -2359,7 +2360,7 @@ class account_subscription(osv.osv):
         'lines_id': fields.one2many('account.subscription.line', 'subscription_id', 'Subscription Lines')
     }
     _defaults = {
-        'date_start': lambda *a: time.strftime('%Y-%m-%d'),
+        'date_start': fields.date.context_today,
         'period_type': 'month',
         'period_total': 12,
         'period_nbr': 1,
diff --git a/addons/account/account_analytic_line.py b/addons/account/account_analytic_line.py
index ea1829db310..da0bc96bda9 100644
--- a/addons/account/account_analytic_line.py
+++ b/addons/account/account_analytic_line.py
@@ -19,8 +19,6 @@
 #
 ##############################################################################
 
-import time
-
 from osv import fields
 from osv import osv
 from tools.translate import _
@@ -41,7 +39,7 @@ class account_analytic_line(osv.osv):
     }
 
     _defaults = {
-        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'date': fields.date.context_today,
         'company_id': lambda self,cr,uid,c: self.pool.get('res.company')._company_default_get(cr, uid, 'account.analytic.line', context=c),
     }
     _order = 'date desc'
diff --git a/addons/account/account_bank_statement.py b/addons/account/account_bank_statement.py
index 9cfda051ec1..7f09cc70c17 100644
--- a/addons/account/account_bank_statement.py
+++ b/addons/account/account_bank_statement.py
@@ -163,7 +163,7 @@ class account_bank_statement(osv.osv):
 
     _defaults = {
         'name': "/",
-        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'date': fields.date.context_today,
         'state': 'draft',
         'journal_id': _default_journal_id,
         'period_id': _get_period,
@@ -483,7 +483,7 @@ class account_bank_statement_line(osv.osv):
     }
     _defaults = {
         'name': lambda self,cr,uid,context={}: self.pool.get('ir.sequence').get(cr, uid, 'account.bank.statement.line'),
-        'date': lambda self,cr,uid,context={}: context.get('date', time.strftime('%Y-%m-%d')),
+        'date': lambda self,cr,uid,context={}: context.get('date', fields.date.context_today(cr,uid,context=context)),
         'type': 'general',
     }
 
diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index 8f7c0fd65b5..41730a02b95 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -814,7 +814,7 @@ class account_invoice(osv.osv):
             ctx = context.copy()
             ctx.update({'lang': inv.partner_id.lang})
             if not inv.date_invoice:
-                self.write(cr, uid, [inv.id], {'date_invoice':time.strftime('%Y-%m-%d')}, context=ctx)
+                self.write(cr, uid, [inv.id], {'date_invoice': fields.date.context_today(cr,uid,context=context)}, context=ctx)
             company_currency = inv.company_id.currency_id.id
             # create the analytical lines
             # one move line per invoice line
diff --git a/addons/account/account_move_line.py b/addons/account/account_move_line.py
index 7d176ee72b4..17120ee265e 100644
--- a/addons/account/account_move_line.py
+++ b/addons/account/account_move_line.py
@@ -550,7 +550,7 @@ class account_move_line(osv.osv):
         'blocked': False,
         'centralisation': 'normal',
         'date': _get_date,
-        'date_created': lambda *a: time.strftime('%Y-%m-%d'),
+        'date_created': fields.date.context_today,
         'state': 'draft',
         'currency_id': _get_currency,
         'journal_id': lambda self, cr, uid, c: c.get('journal_id', False),
diff --git a/addons/account_coda/account_coda.py b/addons/account_coda/account_coda.py
index f967669b98e..e3cc6f40a0c 100644
--- a/addons/account_coda/account_coda.py
+++ b/addons/account_coda/account_coda.py
@@ -20,7 +20,6 @@
 #
 ##############################################################################
 
-import time
 from osv import osv, fields
 import decimal_precision as dp
 import netsvc
@@ -81,7 +80,7 @@ class coda_bank_account(osv.osv):
     _defaults = {
         'currency': lambda self,cr,uid,c: self.pool.get('res.users').browse(cr, uid, uid, c).company_id.currency_id.id,
         'state': 'normal',
-        'coda_st_naming': lambda *a: '%(code)s/%(y)s/%(coda)s',
+        'coda_st_naming': '%(code)s/%(y)s/%(coda)s',
         'active': True,   
         'find_bbacom': True,                         
         'find_partner': True,                         
@@ -137,7 +136,7 @@ class account_coda(osv.osv):
         'company_id': fields.many2one('res.company', 'Company', readonly=True)
     }
     _defaults = {
-        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'date': fields.date.context_today,
         'user_id': lambda self,cr,uid,context: uid,
         'company_id': lambda s,cr,uid,c: s.pool.get('res.company')._company_default_get(cr, uid, 'account.coda', context=c),
     }        
diff --git a/addons/account_coda/wizard/account_coda_import.py b/addons/account_coda/wizard/account_coda_import.py
index 02e72bc3562..d780c2d007b 100644
--- a/addons/account_coda/wizard/account_coda_import.py
+++ b/addons/account_coda/wizard/account_coda_import.py
@@ -567,7 +567,7 @@ class account_coda_import(osv.osv_memory):
                 'name' : codafilename,
                 'coda_data': codafile,
                 'coda_creation_date' : coda_statement['date'],
-                'date': time.strftime('%Y-%m-%d'),
+                'date': fields.date.context_today(cr, uid, context=context),
                 'user_id': uid,
                 })
             context.update({'coda_id': coda_id})
diff --git a/addons/crm_partner_assign/partner_geo_assign.py b/addons/crm_partner_assign/partner_geo_assign.py
index 14f698837e1..48b54277831 100644
--- a/addons/crm_partner_assign/partner_geo_assign.py
+++ b/addons/crm_partner_assign/partner_geo_assign.py
@@ -102,7 +102,7 @@ class res_partner(osv.osv):
                 self.write(cr, uid, [partner.id], {
                     'partner_latitude': result[0],
                     'partner_longitude': result[1],
-                    'date_localization': time.strftime('%Y-%m-%d')
+                    'date_localization': fields.date.context_today(cr,uid,context=context)
                 }, context=context)
         return True
 res_partner()
@@ -128,7 +128,7 @@ class crm_lead(osv.osv):
             partners = self.pool.get('res.partner').browse(cr, uid, [partner_assigned_id], context=context)
             user_id = partners[0] and partners[0].user_id.id or False
             return {'value':
-                        {'date_assign': time.strftime('%Y-%m-%d'),
+                        {'date_assign': fields.date.context_today(cr,uid,context=context),
                          'user_id' : user_id}
                    }
 
@@ -151,9 +151,9 @@ class crm_lead(osv.osv):
             if partner.user_id:
                 for lead_id in ids:
                     self.allocate_salesman(cr, uid, [lead_id], [partner.user_id.id], context=context)
-            self.write(cr, uid, [lead.id], {'date_assign': time.strftime('%Y-%m-%d'), 'partner_assigned_id': partner_id}, context=context)
+            self.write(cr, uid, [lead.id], {'date_assign': fields.date.context_today(cr,uid,context=context), 'partner_assigned_id': partner_id}, context=context)
         return res
-        
+
 
     def assign_geo_localize(self, cr, uid, ids, latitude=False, longitude=False, context=None):
         for lead in self.browse(cr, uid, ids, context=context):
diff --git a/addons/hr_expense/hr_expense.py b/addons/hr_expense/hr_expense.py
index 265a627a011..bac38acee08 100644
--- a/addons/hr_expense/hr_expense.py
+++ b/addons/hr_expense/hr_expense.py
@@ -89,7 +89,7 @@ class hr_expense_expense(osv.osv):
     }
     _defaults = {
         'company_id': lambda s, cr, uid, c: s.pool.get('res.company')._company_default_get(cr, uid, 'hr.employee', context=c),
-        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'date': fields.date.context_today,
         'state': 'draft',
         'employee_id': _employee_get,
         'user_id': lambda cr, uid, id, c={}: id,
diff --git a/addons/hr_timesheet/hr_timesheet.py b/addons/hr_timesheet/hr_timesheet.py
index a936a18a02d..82163f7c254 100644
--- a/addons/hr_timesheet/hr_timesheet.py
+++ b/addons/hr_timesheet/hr_timesheet.py
@@ -149,7 +149,7 @@ class hr_analytic_timesheet(osv.osv):
         'product_id': _getEmployeeProduct,
         'general_account_id': _getGeneralAccount,
         'journal_id': _getAnalyticJournal,
-        'date': lambda self, cr, uid, ctx: ctx.get('date', time.strftime('%Y-%m-%d')),
+        'date': lambda self, cr, uid, ctx: ctx.get('date', fields.date.context_today(cr,uid,context=ctx)),
         'user_id': lambda obj, cr, uid, ctx: ctx.get('user_id', uid),
     }
     def on_change_account_id(self, cr, uid, ids, account_id):
diff --git a/addons/lunch/lunch.py b/addons/lunch/lunch.py
index 3c658333e14..226f38b349a 100644
--- a/addons/lunch/lunch.py
+++ b/addons/lunch/lunch.py
@@ -20,7 +20,6 @@
 ##############################################################################
 
 from osv import osv, fields
-import time
 
 class lunch_category(osv.osv):
     """ Lunch category """
@@ -146,7 +145,7 @@ class lunch_order(osv.osv):
 
     _defaults = {
         'user_id': lambda self, cr, uid, context: uid,
-        'date': lambda self, cr, uid, context: time.strftime('%Y-%m-%d'),
+        'date': fields.date.context_today,
         'state': lambda self, cr, uid, context: 'draft',
     }
 
diff --git a/addons/mrp/mrp.py b/addons/mrp/mrp.py
index eca5cb0b62d..8a25af01e7b 100644
--- a/addons/mrp/mrp.py
+++ b/addons/mrp/mrp.py
@@ -375,7 +375,7 @@ class mrp_bom_revision(osv.osv):
 
     _defaults = {
         'author_id': lambda x, y, z, c: z,
-        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'date': fields.date.context_today,
     }
 
 mrp_bom_revision()
diff --git a/addons/point_of_sale/wizard/pos_return.py b/addons/point_of_sale/wizard/pos_return.py
index a7678cc4965..cc9f2946cfe 100644
--- a/addons/point_of_sale/wizard/pos_return.py
+++ b/addons/point_of_sale/wizard/pos_return.py
@@ -151,7 +151,7 @@ class pos_return(osv.osv_memory):
                                                 'name': 'Refund %s'%order_id.name,
                                                 'statement_id': order_id.statement_ids[0].statement_id.id,
                                                 'pos_statement_id': new_order,
-                                                'date': time.strftime('%Y-%m-%d'),
+                                                'date': fields.date.context_today(cr, uid, context=context),
                                                 'account_id': order_id.partner_id and order_id.partner_id.property_account_payable \
                                                              and order_id.partner_id.property_account_payable.id or account_def.id,
                                                 'amount': -amount,
diff --git a/addons/procurement/wizard/make_procurement_product.py b/addons/procurement/wizard/make_procurement_product.py
index 0f5acf2f5c8..5e53824bcfd 100644
--- a/addons/procurement/wizard/make_procurement_product.py
+++ b/addons/procurement/wizard/make_procurement_product.py
@@ -20,7 +20,6 @@
 ##############################################################################
 
 import netsvc
-import time
 
 from osv import fields, osv
 
@@ -49,7 +48,7 @@ class make_procurement(osv.osv_memory):
     }
 
     _defaults = {
-        'date_planned': lambda *args: time.strftime('%Y-%m-%d'),
+        'date_planned': fields.date.context_today,
         'qty': lambda *args: 1.0,
     }
 
diff --git a/addons/project/project.py b/addons/project/project.py
index 74066651bf9..cb87eec08c6 100644
--- a/addons/project/project.py
+++ b/addons/project/project.py
@@ -1207,7 +1207,7 @@ class project_task_history(osv.osv):
         'user_id': fields.many2one('res.users', 'Responsible'),
     }
     _defaults = {
-        'date': lambda s,c,u,ctx: time.strftime('%Y-%m-%d')
+        'date': fields.date.context_today,
     }
 project_task_history()
 
diff --git a/addons/project_planning/project_planning.py b/addons/project_planning/project_planning.py
index 02b214a2ccd..39007587f80 100644
--- a/addons/project_planning/project_planning.py
+++ b/addons/project_planning/project_planning.py
@@ -136,8 +136,8 @@ class report_account_analytic_planning(osv.osv):
         'total_free': fields.function(_get_total_free, string='Total Free'),
     }
     _defaults = {
-        'date_from': lambda *a: time.strftime('%Y-%m-01'),
-        'date_to': lambda *a: (datetime.now()+relativedelta(months=1, day=1, days=-1)).strftime('%Y-%m-%d'),
+        'date_from': lambda self,cr,uid,ctx: fields.date.context_today(cr,uid,today=(datetime.now()+relativedelta(day=1)),context=ctx),
+        'date_to': lambda self,cr,uid,ctx: fields.date.context_today(cr,uid,today=(datetime.now()+relativedelta(months=1, day=1, days=-1)),context=ctx),
         'user_id': lambda self, cr, uid, c: uid,
         'state': 'draft',
         'business_days': 20,
diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index e91071a8e3f..deabf18397d 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -209,7 +209,7 @@ class purchase_order(osv.osv):
         'company_id': fields.many2one('res.company','Company',required=True,select=1),
     }
     _defaults = {
-        'date_order': lambda *a: time.strftime('%Y-%m-%d'),
+        'date_order': fields.date.context_today,
         'state': 'draft',
         'name': lambda obj, cr, uid, context: obj.pool.get('ir.sequence').get(cr, uid, 'purchase.order'),
         'shipped': 0,
@@ -274,7 +274,7 @@ class purchase_order(osv.osv):
         return {'value':{'partner_address_id': supplier_address['default'], 'pricelist_id': pricelist, 'fiscal_position': fiscal_position}}
 
     def wkf_approve_order(self, cr, uid, ids, context=None):
-        self.write(cr, uid, ids, {'state': 'approved', 'date_approve': time.strftime('%Y-%m-%d')})
+        self.write(cr, uid, ids, {'state': 'approved', 'date_approve': fields.date.context_today(cr,uid,context=context)})
         return True
 
     #TODO: implement messages system
@@ -758,7 +758,7 @@ class purchase_order_line(osv.osv):
 
         # - determine product_qty and date_planned based on seller info
         if not date_order:
-            date_order = time.strftime('%Y-%m-%d')
+            date_order = fields.date.context_today(cr,uid,context=context)
 
         qty = qty or 1.0
         seller_delay = 0
diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 497292b745c..ccdae775455 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -269,7 +269,7 @@ class sale_order(osv.osv):
     }
     _defaults = {
         'picking_policy': 'direct',
-        'date_order': lambda *a: time.strftime(DEFAULT_SERVER_DATE_FORMAT),
+        'date_order': fields.date.context_today,
         'order_policy': 'manual',
         'state': 'draft',
         'user_id': lambda obj, cr, uid, context: uid,
@@ -626,14 +626,14 @@ class sale_order(osv.osv):
         self.write(cr, uid, ids, {'state': 'cancel'})
         return True
 
-    def action_wait(self, cr, uid, ids, *args):
+    def action_wait(self, cr, uid, ids, context=None):
         for o in self.browse(cr, uid, ids):
             if not o.order_line:
                 raise osv.except_osv(_('Error !'),_('You cannot confirm a sale order which has no line.'))
             if (o.order_policy == 'manual'):
-                self.write(cr, uid, [o.id], {'state': 'manual', 'date_confirm': time.strftime(DEFAULT_SERVER_DATE_FORMAT)})
+                self.write(cr, uid, [o.id], {'state': 'manual', 'date_confirm': fields.date.context_today(cr, uid, context=context)})
             else:
-                self.write(cr, uid, [o.id], {'state': 'progress', 'date_confirm': time.strftime(DEFAULT_SERVER_DATE_FORMAT)})
+                self.write(cr, uid, [o.id], {'state': 'progress', 'date_confirm': fields.date.context_today(cr, uid, context=context)})
             self.pool.get('sale.order.line').button_confirm(cr, uid, [x.id for x in o.order_line])
             message = _("The quotation '%s' has been converted to a sales order.") % (o.name,)
             self.log(cr, uid, o.id, message)
diff --git a/addons/sale_crm/wizard/crm_make_sale.py b/addons/sale_crm/wizard/crm_make_sale.py
index ae0371a15e5..273096739aa 100644
--- a/addons/sale_crm/wizard/crm_make_sale.py
+++ b/addons/sale_crm/wizard/crm_make_sale.py
@@ -21,7 +21,6 @@
 
 from osv import fields, osv
 from tools.translate import _
-import time
 
 
 class crm_make_sale(osv.osv_memory):
@@ -98,7 +97,7 @@ class crm_make_sale(osv.osv_memory):
                     'partner_invoice_id': partner_addr['invoice'],
                     'partner_order_id': partner_addr['contact'],
                     'partner_shipping_id': partner_addr['delivery'],
-                    'date_order': time.strftime('%Y-%m-%d'),
+                    'date_order': fields.date.context_today(cr,uid,context=context),
                     'fiscal_position': fpos,
                 }
                 if partner.id:
diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index 9b4644c1161..f3cdffe36bd 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -1482,7 +1482,7 @@ class stock_production_lot_revision(osv.osv):
 
     _defaults = {
         'author_id': lambda x, y, z, c: z,
-        'date': time.strftime('%Y-%m-%d'),
+        'date': fields.date.context_today,
     }
 
 stock_production_lot_revision()