ExCalendar

@OvermindDL1: yup, I know that Erlang date/time Tuples are bad in our situation. As I already wrote it’s only a demo (initail release) - I used it, because temporary something should be there to let others know how it will be looks like in future (same as word something in one method). How about start date/event to compare time presentations? Is attosecond approved? If not I will wait for approved base time presentation for Elixir and update my work. Do you have any other tips? Am I missed an important method or something else?