[FIX] consider user's timezone in default date proposal

Fixes #6316

addons/account_voucher/account_voucher.py

@@ -427,7 +427,7 @@ class account_voucher(osv.osv):
         'state': 'draft',
         'pay_now': 'pay_now',
         'name': '',
-        '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.voucher',context=c),
         'tax_id': _get_tax,
         'payment_option': 'without_writeoff',