For Thanksgiving Day grocery runs in California, Whole Foods and Sprouts have the earliest closing times (1:00 p.m. and 2:00 p.m., respectively), requiring strictly morning shopping. Smart & Final and Save Mart offer the longest windows (up to 5:00 p.m. or 6:00 p.m.). Crucially, Walmart, Target, Costco, and Trader Joe’s are all closed for the holiday.