Calendar year code in reasoning

The topic of calendars is essential for various competitive exams and placement tests. While it might initially seem challenging, the tricks and methods shared here will simplify the concepts, making calendars easy to understand and apply.

A calendar is a system for organizing and dividing time into days, weeks, months, and years.

Calendars are based on astronomical events, such as the rotation of the Earth (day), the lunar cycle (month), and the Earth's orbit around the sun (year), and have been essential for managing time and planning in societies throughout history.

Basic Concepts and Terminology

Leap Year:

• A year with 366 days, in which February has 29 days.
• A year is a leap year if it is divisible by 4. However, if it’s a century year (ending in 00), it must be divisible by 400 to be a leap year.
• For example, 2000 was a leap year, but 1900 was not.

Ordinary Year

• A year with 365 days, in which February has 28 days.
• Non-leap years are not divisible by 4 or do not satisfy the century rule (not divis
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