Note that there is a postfix "Z" for the DOB of the customer, which means the same time zone as Coordinated Universal Time (UTC).

请注意客户的 DOB 后有一个后缀 “Z”，这意味着与协调世界时（UTC）在同一个时区。

youdao

Is it the user's time zone, the time zone of the affected party (such as a remote office or process), or an arbitrary time zone standard, such as UTC (Coordinated Universal time)?

它是用户的时区、受影响部分(比如远程办公室或者程序)的时区还是一个任意的时区标准，比如utc (Coordinated Universal Time) ？

youdao

There are four bytes representing the current Coordinated Universal Time (UTC) in the Unix epoch format, which is the number of seconds since January 1, 1970.

前面的四个字节是当前的协调世界时(Coordinated Universal Time, UTC)，它的格式是Unix时间戳，也就是从1970年1月1日起到此刻所经历的秒数。

youdao