But how did my father calculate the exact timing, or was he just lucky?

"The exact timing will be at the discretion of the board."

But the exact timing of when they will fall is really impossible to assess.

But talk to your doctor or physical therapist about the exact timing.

The exact timing of this change happened is not known, but it was probably in the 10th century.

The exact timing is unknown but likely to be around four months of age.

However, exact timing of expression had been yet to be identified.

The exact timing of her death is also a problem.

The reasoning behind the exact timing will probably never be made public.

His father couldn't possibly know the exact timing of everything that had happened last night.