Ruby | Date === function Last Updated : 09 Jan, 2020 Comments Improve Suggest changes Like Article Like Report Date#===() is a Date class method which checks whether the two Date objects are equal. Syntax: Date.===() Parameter: Date values Return: true if two date objects are equal otherwise return false Example #1 : Ruby 1=1 # Ruby code for Date.===() 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" # === form puts "Date a === form : #{a === Rational(3, 2)}\n\n" puts "Date b === form : #{b === b}\n\n" puts "Date c === form : #{c === Rational(10, 4)}\n\n" Output : Date a : 2019-01-01 Date b : 2001-04-04 Date c : 2019-01-12 Date a === form : false Date b === form : true Date c === form : false Example #2 : Ruby # Ruby code for Date.===() 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" # === form puts "Date a === form : #{a === Rational(3, 2)}\n\n" puts "Date b === form : #{b === b}\n\n" puts "Date c === form : #{c === Rational(10, 4)}\n\n" Output : Date a : 2019-01-01 Date b : 2019-12-03 Date c : 2019-02-02 Date a === form : false Date b === form : true Date c === form : false Comment More infoAdvertise with us Next Article Ruby | Date amjd() function K Kirti_Mangal Follow Improve Article Tags : Ruby Ruby-Methods Ruby Date-class Similar Reads Ruby | Date - function Date#-() is a Date class method which returns the difference between two dates if the object is date type object. Syntax: Date.-() Parameter: Date values Return: difference between two dates Example #1 : Ruby 1=1 # Ruby code for Date.-() method # loading date require 'date' # declaring Date a = Date 2 min read Ruby | Date day() function Date#day() is a Date class method which returns the day of the month from 1 to 31. Syntax: Date.day() Parameter: Date values Return: the day of the month from 1 to 31. Example #1 : Ruby 1=1 # Ruby code for Date.day() method # loading date require 'date' # declaring Date a = Date.new(2019, 1, 1) # de 2 min read Ruby | Date amjd() function Date#amjd() : amjd() is a Date class method which returns the astronomical modified Julian day number. Syntax: Date.amjd() Parameter: Date values Return: the astronomical modified Julian day number. Example #1 :Â Ruby 1=1 Â Output : Date a : 2019-01-01 Date b : 2001-04-04 Date c : 2019-01-12 Date a 1 min read Ruby | Date << function Date#<<() is a Date class method which returns the date object pointing 'n' (numeric value argument) months before self. Syntax: Date.<<() Parameter: Date values Return: date object pointing n months before self. The argument n should be a numeric value. Example #1 : Ruby 1=1 # Ruby code 2 min read Ruby | Date ctime() Function Date#ctime() is a Date class method which returns a string in asctime format and is equivalent to strftime('%c'). Syntax: Date.ctime() Parameter: Date values Return: a string in asctime format and is equivalent to strftime('%c'). Example #1 : Ruby 1=1 # Ruby code for Date.ctime() method # loading da 2 min read Ruby | Date cwday() function 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 1=1 # Ruby code for Date.cwday() method # loading date require 'date' # declaring Date a = Date.new(2019, 1, 1) # declaring Date b = 2 min read Like