lubridate (version 1.5.0)

leap_year: 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

Run this code
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

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