Calling all Costco shoppers! The massive U.S. retailer is rolling out some changes during the holiday season, and here's everything you need to know. Just in time for the festive season, Costco Canada is introducing extended shopping hours, but only for a short period. Following Thanksgiving, the big-box retailer extended its operating hours and has now geared up for another round of longer hours as shopping ramps up. Starting today, Costco warehouses will be open from 7 a.m. to 7 p.m. Monday through Saturday, and 9 a.m. to 7 p.m. on Sundays. The extended schedule remains in effect throughout the holiday season until Jan. 1, 2026. Business Centres in Ontario will also adjust their schedules. Normally closed by 6 p.m. on weekends, these locations will now stay open until 7 p.m. on Saturdays and Sundays during the holiday shopping rush. Still, there are a few notable exceptions to be aware of. While warehouses will be open on Christmas Eve, Boxing Day, and...