{{ $spectacles := $.Site.Data.agenda }}
{{ $today := now.Format "2006-01-02" }}

<ul>
{{ range sort $spectacles "date.timestamp" "desc" }}
  {{ if ge .date.timestamp $today }}
    {{ if eq .prestation "Magie à l'hôpital" }}
      <li>{{ partial "spectacle-format-date-with-year.html" .date }}</li>
    {{ end }}
  {{ end }}
{{ end }}
</ul>