You can't ask that. /kloc-you should have a holiday on October 22nd, but you can go home even if you have a holiday on the 20th after taking the exam on the 20th. Specific to each major, the completion time is different, but there is a school calendar on the educational administration website of Zhengzhou University at the latest, so the landlord can go and have a look. Baidu search "Zhengzhou University Educational Administration Online" can be found.