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igneus/years_without_adalbert.rb

Created April 23, 2022 13:59
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How often is the feast of St. Adalbert suppressed?
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years_without_adalbert.rb
# How often is the feast of St. Adalbert suppressed?
require 'calendarium-romanum/cr'
cal = CR::PerpetualCalendar.new sanctorale: CR::Data['czech-praha-cs'].load_with_parents
date = CR::AbstractDate.new 4, 23
(1970..2100).each do |y|
puts y if cal[date.concretize(y)].celebrations.first.symbol != :adalbert
end
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