please watch out your syntax again.  when we write a HASH, it always like `{:monday => 1}`, there are white space  around the `=>`. refs
https://github.com/bbatsov/ruby-style-guide#collections
http://www.ruby-doc.org/core-2.1.1/Hash.html

second:
https://github.com/beansmile/Schedule-Attributes#sunday-monday-tuesday-wednesday-thursday-friday-saturday
`:interval => "2", :interval_unit => "week", :tuesday => "1", :thursday => "1"`