1.查看時間 date 2.查看時區 timedatectl
一。查看時區
[grok@localhost ~]$ timedatectl
Local time: Tue 2020-08-18 17:44:30 PDT
Universal time: Wed 2020-08-19 00:44:30 UTC
RTC time: Wed 2020-08-19 00:44:30
Time zone: America/Los_Angeles (PDT, -0700)
NTP enabled: yes
NTP synchronized: yes
RTC in local TZ: no
DST active: yes
Last DST change: DST began at
Sun 2020-03-08 01:59:59 PST
Sun 2020-03-08 03:00:00 PDT
Next DST change: DST ends (the clock jumps one hour backwards) at
Sun 2020-11-01 01:59:59 PDT
Sun 2020-11-01 01:00:00 PST
二。設置時區
[grok@localhost ~]$ timedatectl set-timezone Asia/Shanghai
從底層修改時區
其實不考慮各個發行版的差異化, 從更底層出發的話, 修改時間時區比想象中要簡單:
# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime