https://docs.contao.org/4.x/dev/tags/hook-calendar/Hugoenhttps://docs.contao.org/4.x/dev/reference/hooks/findCalendarBoundaries/Mon, 01 Jan 0001 00:00:00 +0000https://docs.contao.org/4.x/dev/reference/hooks/findCalendarBoundaries/findCalendarBoundaries hookhttps://docs.contao.org/4.x/dev/reference/hooks/getAllEvents/Mon, 01 Jan 0001 00:00:00 +0000https://docs.contao.org/4.x/dev/reference/hooks/getAllEvents/getAllEvents hook