The global opposite of a point on the Earth is the point on the opposite side of the globe, directly through the Earth's center. Here's how to find it:

1. Latitude:

* The latitude of the opposite point is simply the negative of the original latitude.

* Original Latitude: 27 57 44.3694

* Opposite Latitude: -27 57 44.3694

2. Longitude:

* The longitude of the opposite point is calculated by adding 180 degrees to the original longitude.

* Original Longitude: -82 0 0.99

* Opposite Longitude: -82 0 0.99 + 180 = 97 59 59.01

Therefore, the global opposite of 27 57 44.3694 latitude and -82 0 0.99 longitude is -27 57 44.3694 latitude and 97 59 59.01 longitude.