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// get time and rotate minute arrow and hour arrow
// get current time
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
 
//  get the current hour & min
[dateFormatter setDateFormat:@"HHmm"];
NSDate *today = [NSDate date];
NSString *str = [dateFormatter stringFromDate:today];
NSString *strHour = [str substringToIndex:2];
NSString *strMin = [str substringFromIndex:2];
 
// convert hour and minute to the integer values so we can use it
NSInteger hour = [strHour integerValue];
NSInteger minute = [strMin integerValue];