Problem
You are not allowed to edit the time zone.
Recovery steps
To edit a time zone, you must have change (*CHANGE) authority to the time zone object. Each time zone is initially created with public use (*USE) authority, not change (*CHANGE) authority, even if you create a time zone based on a time zone with a different authority. However, if a time zone is created using a CL command, you can specify an authority other than public use (*USE) authority.
If you do not have change (*CHANGE) authority and need to edit a time zone, a system administrator or user with change (*CHANGE) authority and object management (*OBJMGT) authority needs to give you authority. The public can be granted change (*CHANGE) authority or only you can be granted authority by specifying your user name.
To change the authority level, a system administrator or user with change (*CHANGE) authority and object management (*OBJMGT) authority must complete the following steps: