I think you're very close Tweety. I'm going by the phone conference in Feb, it was said there was 6600M of drilling done, so approx 14,000M remaining, and they were drilling approx 2000M per month, which left approx 7 months, so ya approx Aug/Sept.
I believe the Calgary meeting & audio also supported this time frame.
But it is all approx, Havilah is a perfect recent example of a delay from a prediction.