Ruby | Date gregorian? function
Date#gregorian?() is a Date class method which checks whether the date is on or after the day of calendar reform.
Syntax: Date.gregorian?()
Parameter: Date values
Return: true – if the date is on or after the day of calendar reform otherwise return false.
Example #1 :
# Ruby code for Date.gregorian?() 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" # gregorian? form puts "Date a gregorian? form : #{a.gregorian?}\n\n" puts "Date b gregorian? form : #{b.gregorian?}\n\n" puts "Date c gregorian? form : #{c.gregorian?}\n\n" |
Output :
Date a : 2019-01-01 Date b : 2001-04-04 Date c : 2019-01-12 Date a gregorian? form : true Date b gregorian? form : true Date c gregorian? form : true
Example #2 :
# Ruby code for Date.gregorian?() 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" # gregorian? form puts "Date a gregorian? form : #{a.gregorian?}\n\n" puts "Date b gregorian? form : #{b.gregorian?}\n\n" puts "Date c gregorian? form : #{c.gregorian?}\n\n" |
Output :
Date a : 2019-01-01 Date b : 2019-12-03 Date c : 2019-02-02 Date a gregorian? form : true Date b gregorian? form : true Date c gregorian? form : true
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