setup timezones set mode
setup timezones get mode

The set mode will define who can set a timezone for an user. In case the get is enabled everybody can set its own timezone.
The get mode defines who can use the timezone command. Setting get to disabled will disable the whole feature.

The possible values for mode are:

• n or d or - to disable
• a or r or o to enable only for Admins
• e or y or + to enable for everybody

This command has no other options.