<% day = 366 %>
<% current_day = DateTime.current.strftime('%j').to_i %>

<% comments.each do |comment| %>
  <li class="comment">
  <% comment_day = comment.created_at.strftime('%j').to_i %>
  <% if comment_day < current_day and comment_day < day %>
    <% day = comment.created_at.strftime('%j').to_i %>
    <p class="text-center"><%= comment.created_at.strftime('%d.%m.%Y') %></p>
  <% end %>
  <%= render 'result_comments/comment.html.erb', comment: comment %></li>
<% end %>