end-user timezone should be set to their IP location and not the default location set in admin.

Feature Request Summary: 

Zendesk should begin using the IP address location information when setting the timezone for an end-user. Currently, the timezone is automatically set to the default timezone set in the admin centre location. This means that all end-users have the same timezone unless manually changed.

Business impact of limitation or missing feature:

To have the correct timezone set in an end user's profile automatically.

Other necessary information or resources:

Link to the discussion of "How does Zendesk capture the location of the end user?".