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Leap Years List Tool: Your Ultimate Guide to Identifying Leap Years

Leap Years List
Start Year:
End Year:

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There are 49 leap years between 1900 and 2100:
1904, 1908, 1912, 1916, 1920, 1924, 1928, 1932, 1936, 1940, 1944, 1948, 1952, 1956, 1960, 1964, 1968, 1972, 1976, 1980, 1984, 1988, 1992, 1996, 2000, 2004, 2008, 2012, 2016, 2020, 2024, 2028, 2032, 2036, 2040, 2044, 2048, 2052, 2056, 2060, 2064, 2068, 2072, 2076, 2080, 2084, 2088, 2092, 2096

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About Leap Years List

Have you ever wondered about the leap year list and how it's determined? Leap years have intrigued many for centuries. They are a unique feature in our calendar system, ensuring it remains synchronized with the Earth's revolutions around the Sun. But how can you quickly identify which years are leap years? The Leap Years List Tool is here to help. This tool is used to list all leap years between two years (from 1600 to 4000).

What is a Leap Year?

A leap year is a special year containing an extra day, making it 366 days long instead of the usual 365 days. This list of leap years is essential to keep our calendar aligned with the Earth's orbit. This additional day is added to February, giving it 29 days. But how many leap years in 100 years do we have? While our calendar year is 365 days long, the Earth takes approximately 365.25 days to orbit the Sun. To compensate for this quarter-day discrepancy, we add an extra day roughly every four years.

How to Determine a Leap Year?

The formula for identifying a leap year is straightforward:

  1. If a year is divisible by 4, it's a leap year.
  2. However, if the year is divisible by 100, it's NOT a leap year, unless...
  3. The year is also divisible by 400. In that case, it's a leap year.

For instance, 2004 and 2020 are leap years, but 1900 is not. However, 2000, being divisible by 400, is a leap year. If you're curious about leap years since 2000 or want a leap year list from 2000, the tool provides all the details. Wondering when was the last leap year? The tool can help with that too!

The following is the complete list of leap years for the 21st century (from year 2001 to 2100):

2004, 2008, 2012, 2016, 2020, 2024, 2028, 2032, 2036, 2040, 2044, 2048, 2052, 2056, 2060, 2064, 2068, 2072, 2076, 2080, 2084, 2088, 2092, 2096.

How to use Leap Years List tool?


To keep our calendar in alignment with the Earth's revolutions around the Sun.

Approximately every four years. For instance, the list of leap years since 1900 to 2100 have 49 results.

Known as "leap day," it's the extra day added during a leap year.

Yes, century years like 1900 or 2100 aren't leap years unless divisible by 400.
To determine leap years, input a range of years from 1600 to 4000 into the leap year calculator on the website. Ensure the start year is earlier than the end year for accurate results.


  1. Leap year - Wikipedia

Reference this content, page, or tool as:

"Leap Years List" at https://miniwebtool.com/leap-years-list/ from miniwebtool, https://miniwebtool.com/

by miniwebtool team. Updated: Feb 29, 2024


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