January 2025 Calendar Holidays And Observances Worldwide Pdf. Overview of calendar in january 2025 (usa) january 2025 marks a month of reflection, new beginnings, and celebration in the united states. New year’s day is a public holiday in all countries that observe.

New year’s day is january 1st, the first day of the year, in the gregorian calendar, and falls exactly one week after the christmas day of the previous year. New year’s day is a public holiday in all countries that observe.