Healing with Exact Timing

These messengers sat and wrote and approximated
that precise moment when ben Dosa told them this.
When they came before Rabban Gamliel and related all
that had happened and showed him what they had written.

Rabban Gamliel:

I swear by the Temple service that in the time you wrote you were neither earlier or later. Precisely at that moment his fever broke and he asked us for water to drink.