bootstrap-icons/icons/calendar3-event-fill.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-calendar3-event-fill" viewBox="0 0 16 16">
  <path d="M16 14a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V3h16zm-3-9a1 1 0 1 0 0 2 1 1 0 0 0 0-2m1-5a2 2 0 0 1 2 2H0a2 2 0 0 1 2-2z"/>
</svg>