Even just on the screen shot, all the double figures are incorrectly separated into two single figures. Further, when 5日 and 6日 refers to the 5th and 6th day of a month, the reading should be いつか and むいか, respectively.
15日
◯じゅうごにち
☓いち ごにち
11時
◯じゅういちじ
☓いち いちじ
16日
◯じゅうろくにち
☓いち ろくにち