Is 2528 a leap year?

2528 is a leap year.

February 29th, 2528 is a valid date.
The last leap year before 2528: 2524.
The next leap year after 2528: 2532.
Details below.

The leap year algorithm. The three conditions to check in order to know whether a year is a leap or a common one:

1) A leap year can be evenly divided by 4:

2528 is evenly divided by 4.

2) Except if it can be evenly divided by 100 then it isn't a leap year:

2528 is not evenly divided by 100.

3) Except if it can be evenly divided by 400, then it's a leap year:

2528 is not evenly divided by 400.

2528 is a leap year.
What is a leap year?

2528, being a leap year has 366 days.
A common year has 365.

In a leap year month February has 29 days.
February 29th, 2528 is a valid date.

In a common year month February has 28 days.
February 29th does not exist.

How often do the leap years occur?

Nearly once every four years is a leap year. More exactly, leap years occur 97 times in every cycle of 400 years.

Why do we need leap years in our calendar?

Leap years keep the calendar year in sync with the astronomical year, preventing us, for example, from celebrating Christmas in the month of November.

The last leap year before 2528: 2524.
The next leap year after 2528: 2532.

Is it a leap year? Last leap year before & next leap year after this year

The leap year algorithm. The three conditions to check in order to know whether a year is a leap or a common one:

1) A leap year can be evenly divided by 4

2) Except if it can be evenly divided by 100 then it isn't a leap year

3) Except if it can be evenly divided by 400, then it's a leap year

Latest checked up years / leap or common years?

Is 3620 a leap year? When is the last leap year before 3620? When is the next leap year after 3620? Dec 15 02:03 UTC (GMT)
Is 2528 a leap year? When is the last leap year before 2528? When is the next leap year after 2528? Dec 15 02:03 UTC (GMT)
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Is 1723 a leap year? When is the last leap year before 1723? When is the next leap year after 1723? Dec 15 01:55 UTC (GMT)
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All users checked up years / leap or common

Leap Years. Common Years. What are they and why do we need them? Leap years algorithm.

What is a leap year? What is a common year?

A leap year contains 1 extra day, February 29th, over an ordinary year, 366 vs. 365.

How often do the leap years occur in the calendar?

Nearly once every four years, 97 leap years at every 400 years.

Why do we need leap years?

They keep the calendar year synchronized with the astronomical year, preventing us, for example, from celebrating Christmas in November.

Leap years algorithm.

Every year that is evenly divisible by 4 is a leap year, except for years that are evenly divisible by 100, but these years are leap years if they are evenly divisible by 400:

Examples of leap years.

  • Leap years multiples of 4 but not of 100 nor of 400: 1992, 1996, 2004, 2008, 2012, 2016, 2020, 2024, 2028;
  • Common years (NOT LEAP YEARS) multiples of 100, but not of 400: 1700, 1800, 1900, 2100, 2200, 2300;
  • Leap years multiples of 400: 1600, 2000, 2400.

What is a leap year? What is a common year?

How often do the leap years occur in the calendar?

Why do we need leap years?

Leap years algorithm. Examples.

When did the leap year originate?

The modern (Gregorian) calendar and the Julian one. Julian calendar adjustment

How accurate is the Gregorian calendar, based on the leap year algorithm?


See all the articles about leap years above grouped together as a single article.


List of all the leap years between 1582 and 4818.


Is it a leap year? Calculate.