The last Jiazi has the same eight characters. Why is the year of luck different?

Because the time of the Universiade is different, the eight characters are the same, that is, the year, month and day are the same. 60 years ago and 60 years later, the days were in different months, because there were 30 days in a month and 60 days were listed. For example, 60 years ago, Jiazi Day was1October110, and 60 years later, Jiazi Day may be 65438.