Do you know the number for ? buy metronidazole cream canada Expect to see holiday promotions begin while still buzzing from Halloween candy. Because of the short holiday shopping season (26 days between Thanksgiving and Christmas, and four weekends compared to 2012â²s five) retailers will waste no time getting consumers in the holiday spirit. ShopperTrak today released its first holiday predictions and among them is the likelyhood that promotions (ie commercials and ads) will begin as early as the day after Halloween.