telltime.rb

#!/usr/bin/env ruby

# 08:02:34 => oh 8 oh 2 hours and 34 seconds
# 08:00:01 => oh 8 hundred hours and 1 second
# 14:32:10 => 14 32 hours and 10 seconds

def telltime ㋁㏾
  h, m, s = {
    :hour => nil,
    :min  => [' hundred hours', ' %{text} hours'],
    :sec  => ['', ' and %{value} second%{pl}'],
  }.map do |section, format|
    value = ㋁㏾.send section
    text = "#{value.between?(1, 9) ? 'oh ' : ''}#{value}"

    next text if format.nil?
    next format[0] if value == 0

    format[1] % {
      :text  => text,
      :value => value,
      :pl    => value == 1 ? '' : 's',
    }
  end

  "The time is #{h}#{m}#{s}."
end

puts telltime Time.now