The Navajo Nation will implement a daily curfew during the weekdays from 8 p.m. to 5 a.m. Oct. 2 and will continue 57-hour weekend lockdowns from Oct. 2 at 8 p.m. (MDT) to 5 a.m. (MDT) Oct. 5 because of a rise in COVID-19 cases in many regions on the Navajo Nation.The Navajo Nation will implement a daily curfew during the weekdays from 8 p.m. to 5 a.m. Oct. 2 and will continue 57-hour weekend lockdowns from Oct. 2 at 8 p.m. (MDT) to 5 a.m. (MDT) Oct. 5 because of a rise in COVID-19 cases in many regions on the Navajo Nation.