code: def reverse_timezone(self, query, timeout=DEFAULT_SENTINEL):
          
          ensure_pytz_is_installed()
  
          try:
              lat, lng = self._coerce_point_to_string(query).split(',')
          except ValueError:
              raise ValueError("Must be a coordinate pair or Point")
  
          params = {
              "lat": lat,
              "lng": lng,
              "username": self.username,
          }
  
          url = "?".join((self.api_timezone, urlencode(params)))
  
          logger.debug("%s.reverse_timezone: %s", self.__class__.__name__, url)
          return self._parse_json_timezone(
              self._call_geocoder(url, timeout=timeout)
          )
docs: Find the timezone for a point in `query`.
  
          GeoNames always returns a timezone: if the point being queried
          doesn't have an assigned Olson timezone id, a ``pytz.FixedOffset``
          timezone is used to produce the :class:`geopy.timezone.Timezone`.
  
          .. versionadded:: 1.18.0
  
          :param query: The coordinates for which you want a timezone.
          :type query: :class:`geopy.point.Point`, list or tuple of (latitude,
              longitude), or string as "%(latitude)s, %(longitude)s"
  
          :param int timeout: Time, in seconds, to wait for the geocoding service
              to respond before raising a :class:`geopy.exc.GeocoderTimedOut`
              exception. Set this only if you wish to override, on this call
              only, the value set during the geocoder's initialization.
  
          :rtype: :class:`geopy.timezone.Timezone`