- (void)viewDidLoad
{
    [super viewDidLoad];
    ax = needleBig.layer.anchorPoint.x;
    ay = needleBig.layer.anchorPoint.y;
}

[UIView animateWithDuration:0.4f
                          delay:0.01f
                        options:UIViewAnimationOptionCurveEaseOut
                     animations:^{
                        CGAffineTransform rotate = CGAffineTransformMakeRotation((30.0 / 180.0) * 3.14);
                         needleBig.layer.anchorPoint=CGPointMake(ax, ay);


                     }
                     completion:^(BOOL finished){


                     }];