不少 Java 老司机可能都被时间类业务坑过，也有不少互联网大厂犯过这类错误还登上了热搜。 最近我司的一名年轻程序员也跳进了时间戳这类存储、读取、转换的坑里。好在有 AI，有不少老程序员能够帮他迅速定位问题，才不至于产生大麻烦。

A timestamp is the current time of an event that a computer records. Through mechanisms, such as the Network Time Protocol, a computer maintains accurate current time, calibrated to minute fractions ...