Yes, we have a precise measurement of that exact moment!!! (when the Earth
began its' first revolution!!!)

Ahhh, you can tell I am joking--it took a few "revolutions" for the Earth to
form... and at that time--back then--we were actually measuring time in
"planet formings" (PF) and "birth of stars" (BOS) any way, we only switched
to the new system in the upper B.C. period of Earth. grin

Warmest regards,
John