leap_year

0th

Percentile

Is a year a leap year?

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.

Keywords
logic, chron
Usage
leap_year(date)
Arguments
date
a date-time object or a year
Value

  • TRUE if x is a leap year, FALSE otherwise

Aliases
  • leap_year
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
Documentation reproduced from package lubridate, version 1.3.0, License: GPL

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