Council may, from time to time, enact and amend such Zoning Ordinances and regulations as it may deem necessary. The method of such enactment and amendment shall be as provided by ordinance of Council and need not be as provided by any State statute regulating or pertaining thereto, it being the intention of this provision of this Charter to require only such method of adoption or amendment and notice thereof as shall afford fair and adequate notice and protection to the rights of the public and of persons affected by such ordinances. In no case shall such notice be given less than seven (7) calendar days prior to the adoption of any such ordinance or regulation.