查看时区
date -R
安装tzdata依赖
apk add --no-cache tzdata
查看tzdata包含的时区
ls /usr/share/zoneinfo
输出
ls /usr/share/zoneinfo
Africa CET Egypt GMT+0 Iran MST7MDT Poland UTC zone.tab
America CST6CDT Eire GMT-0 Israel Mexico Portugal Universal zone1970.tab
Antarctica Canada Etc GMT0 Jamaica NZ ROC W-SU
Arctic Chile Europe Greenwich Japan NZ-CHAT ROK WET
Asia Cuba Factory HST Kwajalein Navajo Singapore Zulu
Atlantic EET GB Hongkong Libya PRC Turkey iso3166.tab
Australia EST GB-Eire Iceland MET PST8PDT UCT posixrules
Brazil EST5EDT GMT Indian MST Pacific US right
复制时区文件
如果localtime文件已经存在，可以先备份后删除。
cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
再次查看时区
date -R