To find out what stores are open tomorrow in Ontario, you can refer to the following sources:

• WhatsOpenOntario.com: This website allows you to search for whats open and closed in Ontario by date, location, and holiday. However, it does not provide specific information about individual stores.

• Narcity: Narcity has a list of grocery stores, malls, and services that are open and closed on Thanksgiving Day, which is on Monday, October 9, 2023. Some grocery stores, liquor stores, and malls are open if you need to do last-minute shopping. For example, some Metro grocery stores are closed on October 9, but some locations of Food Basics are open from 9 a.m. to 5 p.m. or 9 a.m. to 6 p.m. on Thanksgiving Day. Rabba stores in the GTA are open 24 hours a day, seven days a week.

• Retail Council of Canada: According to the Retail Council of Canada, as of December 10, 2020, all holiday store hour restrictions across the province have been eliminated, with the exception of Remembrance Day. Retail businesses are prohibited from opening between 9:00 a.m. and 1:00 p.m. on Remembrance Day. However, retailers can be open on holidays as long as they pay their employees according to law. In many cases, municipalities set store opening guidelines, so its best to contact your municipal clerk to ensure compliance.

Based on the information from Narcity, some Food Basics locations are open on Thanksgiving Day, but its unclear if other grocery stores or retail stores are open. Its best to check with individual stores or contact your municipal clerk for more information.