Convert a string representation of the time (as returned by
        blockr.io api) into unix timestamp.

        Args:
            time_utc_str (str): String representation of the time, with the
                format: `'%Y-%m-%dT%H:%M:%S %Z'`.

        Returns:
            int: Unix timestamp.

def _get_time_utc(time_utc_str):
        """
        Convert a string representation of the time (as returned by
        blockr.io api) into unix timestamp.

        Args:
            time_utc_str (str): String representation of the time, with the
                format: `'%Y-%m-%dT%H:%M:%S %Z'`.

        Returns:
            int: Unix timestamp.

        """
        dt = datetime.strptime(time_utc_str, TIME_FORMAT)
        return int(calendar.timegm(dt.utctimetuple()))