diff --git a/paramecio/citoplasma/datetime.py b/paramecio/citoplasma/datetime.py
index aabe3b0..c4a2e0f 100644
--- a/paramecio/citoplasma/datetime.py
+++ b/paramecio/citoplasma/datetime.py
@@ -148,7 +148,7 @@ def obtain_timestamp(timeform, local=False, tz=''):
             #return timestamp-offset
             
             if tz=='':
-                tz=environ['TZ']
+                tz=environ.get('TZ', 'utc')
             
             t=arrow.arrow.Arrow(y, m, d, h, mi, s).to(tz)
             
@@ -301,7 +301,7 @@ class TimeClass:
 
         self.format_date_full=format_date_txt+' '+format_time_txt
         
-        self.tz=environ['TZ']
+        self.tz=environ.get('TZ', 'utc')
         
         if tz:
             self.tz=tz
diff --git a/paramecio/citoplasma/urls.py b/paramecio/citoplasma/urls.py
index a337940..aedd78d 100644
--- a/paramecio/citoplasma/urls.py
+++ b/paramecio/citoplasma/urls.py
@@ -50,6 +50,10 @@ def add_get_parameters(url, **args):
     
     return url+added_url+"&".join( [x+'='+str(y) for x,y in args.items()] )
 
+def get_actual_url():
+    
+    return config.base_url[:len(config.base_url)-1]+request.path
+
 if config.yes_static==True:
     
     def make_media_url(file_path):
diff --git a/paramecio/cromosoma/extrafields/datefield.py b/paramecio/cromosoma/extrafields/datefield.py
index 36d3c3b..2c60941 100644
--- a/paramecio/cromosoma/extrafields/datefield.py
+++ b/paramecio/cromosoma/extrafields/datefield.py
@@ -20,7 +20,7 @@ class DateField(PhangoField):
         
             value=datetime.local_to_gmt(value)
         
-        elif not datetime.obtain_timestamp(value, True):
+        elif not datetime.obtain_timestamp(value, False):
 
             self.error=True
             self.txt_error=self.error_default