{% for week in grid %}
{% for d in week %}
{% if d is none %}
{% else %}
{% set has_log = d in days_with_logs %}
{% set is_selected = (selected and selected.day == d and selected.month == month and selected.year == year) %}
{% set is_today = (today.day == d and today.month == month and today.year == year) %}
{% set iso = "%04d-%02d-%02d" | format(year, month, d) %}
{% endif %}
{% endfor %}
{% endfor %}