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Query the Year and Leap Year Online Calculator by Year Range

Search by year
Data entry required for inspection year
The calculation results

APP description

The number of years in AD can be divided by 4 into a leap year, but the number of years in the whole hundred (0 in the single and ten digits) must be divisible by 400 to be a leap year (for example, 1900 is not a leap year). For example: 1997 was a normal year, 2002 was a normal year, 1996 was a leap year, and 2000 was a leap year. There are 28 days in February in a normal year and 29 days in February of a leap year.

Usage example

Query by year Check the data entry required for the year

Year: 2019

Calculation results

Click "Validation Year" to output the result.

Status: Effective common year


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