A calendar is a system of organizing days for social, non secular, business, or administrative functions. The time period “calendar” may seek advice from a bodily illustration of such a system, equivalent to a wall calendar or a digital calendar on a pc. Calendars are used to maintain monitor of time and to schedule occasions. They are often based mostly on astronomical occasions, such because the motion of the solar or moon, or on human-defined occasions, equivalent to the beginning of a brand new 12 months or the start of a brand new week.
The calendar for December 2025 is a typical Gregorian calendar. It has 31 days, with the primary day of the month falling on a Monday and the final day of the month falling on a Tuesday. There are not any main holidays in December 2025, however there are a number of minor holidays, together with Hanukkah, which begins on the night of December 10, 2025, and ends on the night of December 18, 2025.
