Current date - 24 hours = Today 5 PM - 24 hours = Yesterdays 5 PM

remove24HoursToDate

- (NSDate*)remove24HoursToDate:(NSDate*)date  {
    NSCalendar *cal = [NSCalendar currentCalendar];
    NSDateComponents *comp = [cal components:NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit fromDate:date];
    comp.timeZone=[NSTimeZone defaultTimeZone];
    comp.month = comp.month;
    comp.year = comp.year;
    comp.day = comp.day;
    [comp setHour:0];
    [comp setMinute:0];
    [comp setSecond:0];
    NSDate *modifiedDate = [cal dateFromComponents:comp];
    return modifiedDate;
}