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Ruby | Date friday? function
  • Last Updated : 09 Jan, 2020

Date#friday?() is a Date class method which checks whether the date is a Friday.

Syntax: Date.friday?()

Parameter: Date values

Return: true – if the date is Friday otherwise return false

Example #1 :






# Ruby code for Date.friday?() method
  
# loading date
require 'date'
  
# declaring Date 
a = Date.new(2019, 1, 1)
  
# declaring Date
b = Date.jd(2452004)
  
# declaring Date
c = Date.ordinal(2019, 12)
  
# Date 
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"
  
# friday? form 
puts "Date a friday? form : #{a.friday?}\n\n"
puts "Date b friday? form : #{b.friday?}\n\n"
puts "Date c friday? form : #{c.friday?}\n\n"

Output :

Date a : 2019-01-01

Date b : 2001-04-04

Date c : 2019-01-12



Date a friday? form : false

Date b friday? form : false

Date c friday? form : false

Example #2 :




# Ruby code for Date.friday?() method
  
# loading date
require 'date'
  
# declaring Date 
a = Date.parse('2019-01-01')
  
# declaring Date
b = Date.strptime('03-12-2019', '%d-%m-%Y')
  
# declaring Date
c = Date.commercial(2019, 5, 6)
  
# Date 
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"
  
# friday? form 
puts "Date a friday? form : #{a.friday?}\n\n"
puts "Date b friday? form : #{b.friday?}\n\n"
puts "Date c friday? form : #{c.friday?}\n\n"

Output :

Date a : 2019-01-01

Date b : 2019-12-03

Date c : 2019-02-02



Date a friday? form : false

Date b friday? form : false

Date c friday? form : false




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