How do I change my Weekly Study Target? iKnow! Support Updated July 25, 2019 07:09 Follow You can change your Weekly Study Target on calendar page. (https://iknow.jp/home/calendars) *Drag the slider to “More!” and click update to see a new view of the slider that has up to 20 hours. Related articles How can I get started? Comments 0 comments Article is closed for comments.