Linux 时间与时区 (Date & Time)

# 获取时区
date +"%Z %z"

• /etc/localtime: 符号链接
  • e.g., /etc/localtime -> /etc/zoneinfo/Asia/Shanghai
• /etc/timezone: 纯文本时区名称

使用环境变量 (Environment Variable)

TZ=America/New_York date
TZ=Asia/Shanghai date

配置 (Configuration)

# systemd
timedatectl set-timezone Etc/GMT-6

• tzdata: 时区数据包

• GNU libc 读取 /etc/localtime

• What is /etc/timezone used for? - Unix StackExchange