# File lib/holidays/nz.rb, line 49
def self.closest_monday(date)
  if [1, 2, 3, 4].include?(date.wday)
    date -= (date.wday - 1)
  elsif 0 == date.wday
    date += 1
  else
    date += 8 - date.wday
  end
  date
end