A calendar for January 2025 is a tabular arrangement of the days in the month, typically displayed in a grid format. It is a useful tool for planning and organizing events, appointments, and activities for the month. The calendar for January 2025 will have 31 days, starting on a Wednesday and ending on a Friday.
Calendars have been used for centuries to track time and plan events. The earliest known calendars date back to ancient Egypt and Mesopotamia. The modern Gregorian calendar, which is the most widely used calendar today, was introduced in 1582 by Pope Gregory XIII.