The rotation of the earth is predictable enough in the short term that it is forecast a year into the future: see IERS Bulletin A https://www.iers.org/IERS/EN/P

The rotation of the earth is predictable enough in the short term that it is forecast a year into the future: see IERS Bulletin A https://www.iers.org/IERS/EN/Publications/Bulletins/bulletins.html https://www.iers.org/IERS/EN/Publications/Bulletins/bulletin...