<% day_timeline.events.group_by { it.created_at.hour }.each do |hour, events_grouped_by_hour| %>
  <% events_grouped_by_hour.group_by { event_column(it) }.each do |column, events| %>
    <%= event_cluster_tag(hour, column) do %>
      <%= render partial: "events/event", collection: events %>
      <%= local_datetime_tag events.first.created_at, class: "event__timestamp txt-small translucent" %>
    <% end %>
  <% end %>
<% end %>
