Calendar date selection

Is there any way that we can select calendar date. Here my requirement is the start date would be Sunday of every week and end date would be Saturday of every week. Can anyone please suggest the workflow.

Thanks

@vidhan.rpa use below expression to get the Sunday and Saturday Calendar date.
date.UtcNow.AddDays(DayOfWeek.Sunday-date.UtcNow.DayOfWeek)
date.UtcNow.AddDays(DayOfWeek.Saturday-date.UtcNow.DayOfWeek)