# 查看硬件工夫hwclock -l
# 查看零碎的各个工夫和日期timedatectl status# 查看零碎可用时区timedatectl list-timezones# 设置零碎时区timedatectl set-timezoe ZONE
# 从时钟服务器(NTP)同步零碎工夫chronyc makestep