Daywise Calendar View is not showing data is respective time


Daywise Calendar view is not showing the data in time column, means if some event is happening in 1am to 3am, then it should show the event title in 1am, 2am ,3 am but its not. see the below images,


Version :
ERPNext: v10.1.18 (master)
Frappe Framework: v10.1.16 (master)

Anybody ??