The Julian leap method returns true if in the year in the given code is a leap year of the Proleptic Julian Calendar and false if not. The leap year comes after every 4 years. To get the Julian leap year you can use Date.julian_leap?() method.
julian_leap?() Method in Ruby
julian_leap?() method exists in Standard julian_leap? Library of Ruby. The purpose of this method is to get leap year from proleptic Julian Calendar.
Syntax of the julian_leap?() Method in Ruby
In date, the syntax of Julian leap method is:
1 | Date.julian_leap?(x) |
Parameter of julian_leap?() Method in Ruby
The parameter x is any valid Julian date object. This parameter is required.Note: If the x parameter is not a valid Julian date object julian_leap?() method will return an error.
Return Value of julian_leap?()
julian_leap?() method return the true if the year mentioned in the code is a leap year of proleptic Julian Calendar.
Ruby julian_leap?() Year Example 1
1 2 3 4 | # import date library require 'date' x = Date.julian_leap?(2012) puts x |
Output
true
Ruby julian_leap?() Year Example 2
1 2 3 4 | # import date library require 'date' x = Date.julian_leap?(2015) puts x |
Output
false
Ruby julian_leap?() Year Example 3
1 2 3 4 | # import date library require 'date' x = Date.julian_leap?(2018) puts x |
Output
false
Ruby julian_leap?() Year Example 4
1 2 3 4 | # import date library require 'date' x = Date.julian_leap?(2020) puts x |
Output
true
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