Ontario limits opening hours at some retail stores as part of more severe lockdown Stay in the loop Sign up for our free email newsletter. Unsubscribe anytime or contact us for details. Ontario residents are facing a whole new list of lockdown measures that will come into effect between today and 12:01 a.m. on Jan. 14, ranging from a formal stay-at-home order to limits on the opening hours of retail stores. It was announced on Tuesday afternoon that all retailers aside from essential supermarkets, pharmacies, convenience stores, gas stations and restaurants offering takeout or delivery can open no earlier than 7 a.m. and must close by 8 p.m.