When Is Paczki Day In 2025. The holiday is on “fat thursday,” a day in the week of shrovetide, when people prepare for great. Pączki day 2025 is on march 4.
Pączki day is observed next on tuesday, march 4th, 2025. Some fans save all of their cheat day calories for the time between paczki day (fat thursday february 27th) and fat tuesday.