This is a really simple question, and it\'s probably been asked and answered before, but I haven\'t been able to find anything.
Anyway, I need a range/array for 12 hour
Rails does this built in
<%= f.time_select :start, {ampm: true} %>
http://api.rubyonrails.org/classes/ActionView/Helpers/DateHelper.html#method-i-time_select