timedatectl
기본 형식
timedatectl
# Local time: Wed 2023-02-22 10:58:15 JST
# Universal time: Wed 2023-02-22 01:58:15 UTC
# RTC time: Wed 2023-02-22 01:58:16
# Time zone: Asia/Tokyo (JST, +0900)
# NTP enabled: yes
#NTP synchronized: yes
# RTC in local TZ: no
# DST active: n/a
타임존 변경
timedatectl set-timezone Asia/Seoul
# 타임존 리스트 확인
timedatectl list-timezones