# How to tell if a year is a leap year?

Let us understand the concept of the leap year.

## Answer: If the year is having 366 days or if the year is divisible by 4, then we can say that year is a leap year.

Let us understand the rule in detail.

**Explanation:**

A normal year consists of 365 days in fact 365.25 days. For calculation and daily convention, we consider 365 days per year.

0.25-day x 4 = 1 day, so 1 day is added every 4 years.

So, we get a leap year consisting of 365 + 1 = 366 days once in 4 years.

So, a leap year consists of 366 days.

As it comes every 4 years, the year is divisible by 4.

Example 2020, 1992, 1996 are leap years whereas 2018, 1991, 2021 are not leap years.

You can use online leap year calculator to check if the given year is a leap year.

### Hence, if the year is having 366 days or if the year is divisible by 4, then we can say that year is a leap year.

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