[Critter]

that's what I get for asking a "serious" question, eh? :)

[Gargantua]

Depending on the Biblical interpretation being used, between 16,000-and-20,000 years.

[Gargantua]

Which, by the way, comports with our scientific "understanding" of the age of planet Earth, given what we now "know" about the "half-life" of planetary bodies.

This "science" tells us that Earth is also 16,000-to-20,000 years old.