A special dictionary META is supplied to the Jinja template engine that contains. information about the rendering process. You access those with for example
The language key of the requested rendering language, e.g. de or en
editable
A boolean wether the document is rendered as editable or not
rendered_at
A django timezoned datetime object that represents the time of rendering. You can e.g. display the ISO 8601 time of rendering with META.rendered_at.isoformat().