Sec. 20.2  Effective date.
   If this charter be approved at said election[,] then printed copies thereof with the vote for and against the same, duly certified, shall[,] within thirty days from the date of said election, be filed with the Secretary of State and the Clerk of the County of Wayne. This charter shall take effect at 8:00 o'clock p.m. on Monday, the 16th day of November, 1964.