Reflection late-night partying family gatherings feasting gift exchanges fireworks countdowns watchnight services social gatherings, during which participants may dance, eat, consume alcoholic beverages, and watch or light fireworks The last day of the year in the Gregorian calendar Old Night) (Spain and other countries where Spanish is mostly spoken) Réveillon (Algeria, Angola, Brazil, France, Macau, Mozambique, Portugal, Romania, Wallonia, and French-speaking locations in North America).