WSLGetTimezone.sh

~$ cat /etc/localtime

> TZif2                  
   
           
    ~  DST STD   TZif2                  
   
           
    ~  DST STD
STD-9

WSLListTimezone.sh

~$ ls /usr/share/zoneinfo

> Africa      Brazil   EST      GB         HST       Japan      Msft     Poland     UCT        iso3166.tab
America     CET      EST5EDT  GB-Eire    Hongkong  Kwajalein  NZ       Portugal   US         leap-seconds.list
Antarctica  CST6CDT  Egypt    GMT        Iceland   Libya      NZ-CHAT  ROC        UTC        localtime
Arctic      Canada   Eire     GMT+0      Indian    MET        Navajo   ROK        Universal  posix
Asia        Chile    Etc      GMT-0      Iran      MST        PRC      Singapore  W-SU       posixrules
Atlantic    Cuba     Europe   GMT0       Israel    MST7MDT    PST8PDT  SystemV    WET        right
Australia   EET      Factory  Greenwich  Jamaica   Mexico     Pacific  Turkey     Zulu       zone.tab

WSLSetTimezone.sh

~$ timedatectl
> Failed to get D-Bus connection: Failed to connect to socket /var/run/dbus/system_bus_socket

~$ cat /usr/share/zoneinfo/Japan
U;p>۫ڀ݋



  ~    
  ~      JCST JDT JST       TZif2                                  e¤ptpU;p>۫ڀ  ~ LMT JST JCST JDT  
    

JST-9

~$ ls -l /etc/localtime
-rw-r--r-- 2 root root 127  6月 20 02:41 /etc/localtime

~$ sudo ln -sf /usr/share/zoneinfo/Japan /etc/localtime
# SUDO Password lost.... sorry not tried.