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Ruby | Date cwday() function
  • Last Updated : 09 Jan, 2020

Date#cwday() is a Date class method which returns the day of calendar week.

Syntax: Date.cwday()

Parameter: Date values

Return: day of calendar week.

Example #1 :






# Ruby code for Date.cwday() 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"
  
  
# cwday form 
puts "Date a cwday form : #{a.cwday}\n\n"
puts "Date b cwday form : #{b.cwday}\n\n"
puts "Date c cwday form : #{c.cwday}\n\n"

Output :

Date a : 2019-01-01

Date b : 2001-04-04

Date c : 2019-01-12



Date a cwday form : 2

Date b cwday form : 3

Date c cwday form : 6

Example #2 :




# Ruby code for Date.cwday() 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"
  
  
# cwday form 
puts "Date a cwday form : #{a.cwday}\n\n"
puts "Date b cwday form : #{b.cwday}\n\n"
puts "Date c cwday form : #{c.cwday}\n\n"

Output :

Date a : 2019-01-01

Date b : 2019-12-03

Date c : 2019-02-02



Date a cwday form : 2

Date b cwday form : 2

Date c cwday form : 6




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