St. Nicholas Day 2025. Saint nicholas day 2025 is on saturday 6th dec, 2025 (06/12/2025) in 537 days what is saint nicholas day? Saint nicholas day is observed on december 6 every year in the united states and is also known as the feast of saint nicholas.

Saint nicholas day, also called the feast of saint nicholas, observed on 6 december (and/or its eve on 5 december) in western christian countries, and on 19 december in eastern christian countries using the old church calendar, is the feast day of saint nicholas of myra; Nicholas day, also called feast of st.