Jakobidult takes place in late July and early August (beginning on the Saturday after the feast day of St. James) and Kirchweihdult occurs round the middle of October, from Saturday prior to Kirchweih till the following Sunday.
The Jakobidult festival commences in late summer, specifically between July 29th and August 12th, while Kirchweihdult happens roughly two months later, starting on the Saturday before Kirchweih and concluding on the following Sunday.