def time_at_elevation_utc(self, elevation, direction, date, latitude, longitude, observer_elevation=0):
        """Calculate the time in the UTC timezone when the sun is at
        the specified elevation on the specified date.

        Note: This method uses positive elevations for those above the horizon.

        :param elevation:  Elevation in degrees above the horizon to calculate for.
        :type elevation:   float
        :param direction:  Determines whether the calculated time is for the sun rising or setting.
                           Use ``astral.SUN_RISING`` or ``astral.SUN_SETTING``. Default is rising.
        :type direction:   int
        :param date:       Date to calculate for.
        :type date:        :class:`datetime.date`
        :param latitude:   Latitude - Northern latitudes should be positive
        :type latitude:    float
        :param longitude:  Longitude - Eastern longitudes should be positive
        :type longitude:   float
        :param observer_elevation:  Elevation in metres to calculate time at elevation for
        :type observer_elevation:   int

        :return: The UTC date and time at which the sun is at the required
                 elevation.
        :rtype: :class:`~datetime.datetime`
        """

        if elevation > 90.0:
            elevation = 180.0 - elevation
            direction = SUN_SETTING

        depression = 90 - elevation
        try:
            return self._calc_time(depression, direction, date, latitude, longitude, observer_elevation)
        except ValueError as exc:
            if exc.args[0] == "math domain error":
                raise AstralError(
                    ("Sun never reaches an elevation of %d degrees" "at this location.")
                    % elevation
                )
            else:
                raise
Calculate the time in the UTC timezone when the sun is at
        the specified elevation on the specified date.

        Note: This method uses positive elevations for those above the horizon.

        :param elevation:  Elevation in degrees above the horizon to calculate for.
        :type elevation:   float
        :param direction:  Determines whether the calculated time is for the sun rising or setting.
                           Use ``astral.SUN_RISING`` or ``astral.SUN_SETTING``. Default is rising.
        :type direction:   int
        :param date:       Date to calculate for.
        :type date:        :class:`datetime.date`
        :param latitude:   Latitude - Northern latitudes should be positive
        :type latitude:    float
        :param longitude:  Longitude - Eastern longitudes should be positive
        :type longitude:   float
        :param observer_elevation:  Elevation in metres to calculate time at elevation for
        :type observer_elevation:   int

        :return: The UTC date and time at which the sun is at the required
                 elevation.
        :rtype: :class:`~datetime.datetime`