ensl.org/app/views/widgets/_calendar.html.erb

<div class="header"><%= t('widget.schedule') %></div>

<div class="widget-content-wrapper">
  <% upcoming_matches.group_by{ |e| e.start.month }.each do |month, events| %>
    <% events.group_by { |e| e.start.day }.each do |day, day_events| %>
      <div class="separator"><%= day_events.first.start.strftime("%A, %e %B") %></div>
        <% day_events.each do |event| %>
          <div class="content">
            <p><%= event.formatted_summary %></p>
            <p><%= event.start.strftime("%H:%M %Z") %></p>
          </div>
        <% end %>
    <% end %>
  <% end %>
</div>