除非 tomcat 有个人 TZ 环境变量，否则它使用 /etc/localtime 在我的系统上是 /usr/share/zoneinfo/America/New_York.

Unless tomcat has a personal TZ environment variable, then it uses /etc/localtime which on my system is a copy of /usr/share/zoneinfo/America/New_York.

Tomcat 的个人时区将在其启动脚本中以如下形式指定:

Tomcat's personal timezone would be specified in its startup script in a form like:

-Duser.timezone=GMT