...r individual programs by using the $TZ environment variable. See environ (7). You may use timedatectl (1) to change the settings of this file from the command line during runtim…...interface versioning guidelines [2]. SEE ALSO systemd (1), systemd-timedated.service (8), timedatectl (1), More information on how the system clock and RTC interact [3] NOTES 1.…