<%= form_for proposal do |f| -%> <%= select_tag("start_time[date]", options_for_select( proposal.event.dates_for_select, proposal.start_time.try(:strftime, "%Y-%m-%d") ), :id => "start_time_date_#{proposal.id}", :class => 'date' ) %> <%= select_hour proposal.start_time, {:prefix => 'start_time', :include_blank => true}, :id => "start_time_hour_#{proposal.id}", :class => 'hour' %> <%= select_minute proposal.start_time, {:field_name => 'start_time', :minute_step => 5, :include_blank => true}, :id => "start_time_minute_#{proposal.id}", :class => 'minute' %> <% end -%>