This festive punch will get your party started and keep it rolling all night.
In a small pot, bring water, sugar, and 6 cinnamon sticks to a boil. Reduce to a simmer and cook 8 minutes. Let cool to room temperature; discard cinnamon. (Refrigerate in airtight container, up to 1 month.) In a punch bowl, stir together cinnamon syrup, pineapple juice, rum, and lime juice. To serve, add ice and cinnamon sticks.