If the Q clock is a real thing, and 60 days equal a Q day, and 30 rotations of the clock would be 1,800 real days. Queen died on day 1776, 24 days short of 30 rotations.

If Queen is half way, Monday, September 6, 2027 would be Checkmate

If we are 80% done, checkmate would be Tuesday, December 26, 2023

If the Q click is a real thing, and 60 days equal a Q day, and 30 rotations of the clock would be 1,800 real days. Queen died on day 1776, 24 days short of 30 rotations.

If Queen is half way, Monday, September 6, 2027 would be Checkmate