The calculation of the starting and ending time of the copyright protection period usually refers to the calculation of the copyright protection period. The term of protection of a copyright is generally 50 years from the date of creation, but the specific term of protection is determined by law according to the specific circumstances. For example, if an author wrote an article in 1982, the rights to the article would be protected from the date of creation, usually for 50 years, which was until 2022. However, the duration of copyright protection was not unlimited. If the author did not create any new copyrighted works after 2022, his/her copyright rights would gradually expire.