Dr Prince Abdulaziz bin Mohammed bin Eyaf Al-Miqrin, the Mayor of Riyadh and Head of the Local Committee for the Municipal Elections in Riyadh region, said the electoral centers in Riyadh will be open on Sunday and Monday (Nov 21-22) after Maghreb (sunset) prayers up to Esha (night) prayers for the reception of the citizens and answering their inquiries. He noted that the registration of the electors will start on Tuesday, Nov 23, from 4:30 pm up to 9:30 pm. The registration period will extend for one month, he added.