Ruby | Date cweek() function
Last Updated :
09 Jan, 2020
Date#cweek() is a Date class method which returns the calendar week number.
Syntax: Date.cweek()
Parameter: Date values
Return: calendar week number.
Example #1 :
require 'date'
a = Date. new ( 2019 , 1 , 1 )
b = Date.jd( 2452004 )
c = Date.ordinal( 2019 , 12 )
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"
puts "Date a cweek form : #{a.cweek}\n\n"
puts "Date b cweek form : #{b.cweek}\n\n"
puts "Date c cweek form : #{c.cweek}\n\n"
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Output :
Date a : 2019-01-01
Date b : 2001-04-04
Date c : 2019-01-12
Date a cweek form : 1
Date b cweek form : 14
Date c cweek form : 2
Example #2 :
require 'date'
a = Date.parse( '2019-01-01' )
b = Date.strptime( '03-12-2019' , '%d-%m-%Y' )
c = Date.commercial( 2019 , 5 , 6 )
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"
puts "Date a cweek form : #{a.cweek}\n\n"
puts "Date b cweek form : #{b.cweek}\n\n"
puts "Date c cweek form : #{c.cweek}\n\n"
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Output :
Date a : 2019-01-01
Date b : 2019-12-03
Date c : 2019-02-02
Date a cweek form : 1
Date b cweek form : 49
Date c cweek form : 5
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