A calendar is a system of organizing days for social, spiritual, business, or administrative functions. The calendar can be used to trace occasions, appointments, and different actions. Calendars could be primarily based on astronomical occasions, such because the motion of the solar or moon, or they are often primarily based on social or spiritual conventions. The most typical sort of calendar in use at the moment is the Gregorian calendar, which was launched by Pope Gregory XIII in 1582. The Gregorian calendar is a photo voltaic calendar, which signifies that it’s primarily based on the motion of the solar. The Gregorian calendar has 12 months, every of which has both 30 or 31 days, aside from February, which has 28 days (29 days in a intercalary year). January is the primary month of the 12 months within the Gregorian calendar.
January 2025 can have 31 days. The primary day of January 2025 might be a Wednesday, and the final day of January 2025 might be a Friday. There might be 5 weekends in January 2025, and there might be 20 weekdays in January 2025.
