R: Is a year a leap year?

leap_year {lubridate} | R Documentation

## Is a year a leap year?

### Description

If x is a recognized date-time object, leap_year will return whether x occurs during a leap year. If x is a number, leap_year returns whether it would be a leap year under the Gregorian calendar.

### Usage

    leap_year(date)

### Arguments

`date` | a date-time object or a year

### Value

TRUE if x is a leap year, FALSE otherwise

### Examples

    x <- as.Date("2009-08-02")
    leap_year(x) # FALSE
    leap_year(2009) # FALSE
    leap_year(2008) # TRUE
    leap_year(1900) # FALSE
    leap_year(2000) # TRUE

[Package lubridate version 1.7.4 Index]