Type your leave blocks on the left. The right side works out, live, the leave you have earned under Regulation 59, any excess, the real completion date after the Form 107 extension, and which CA Final sitting that date lets you take. The completion date here is the number the CA Final attempt resolver asks for.
Read from ICAI's own pages on the Regulations and from the Chartered Accountants (Amendment) Regulations, 2023, cross-checked against the BCAS Referencer and professional reproductions. Verify against the current text of the Regulations before you rely on any figure.