code: def timezone(self, value=0.0):
          
          if value is not None:
              try:
                  value = float(value)
              except ValueError:
                  raise ValueError('value {} need to be of type float '
                                   'for field `timezone`'.format(value))
              if value < -12.0:
                  raise ValueError('value need to be greater or equal -12.0 '
                                   'for field `timezone`')
              if value > 12.0:
                  raise ValueError('value need to be smaller 12.0 '
                                   'for field `timezone`')
  
          self._timezone = value
docs: Corresponds to IDD Field `timezone` Time relative to GMT.
  
          Args:
              value (float): value for IDD Field `timezone`
                  Unit: hr - not on standard units list???
                  Default value: 0.0
                  value >= -12.0
                  value <= 12.0
                  if `value` is None it will not be checked against the
                  specification and is assumed to be a missing value
  
          Raises:
              ValueError: if `value` is not a valid value