in cookbooks/fb_timers/libraries/timers.rb [69:77]
def hours
fail "A value is required for #{__method__}" unless @value
fail 'A value cannot be > 24' if @value > 24
fail 'A value cannot be <= 0' if @value <= 0
return 'daily' if @value == 24
"0/#{@value}:0:0"
end