What Day Is New Year'S Day 2025 Calendar. New years day for the year 2025 is celebrated/ observed on wednesday, january 1st. New year’s day is a holiday observed on the first day of january on the gregorian calendar, which is january 1st.

20 rows discover our 2025 interactive calendar with all key dates and holidays. New year’s marks the start of a new year (january 1st) according to the gregorian.