CRM Online New User Default Time Zone

Hi,

For new users in CRM Online, does the user's default time zone get set by looking at the time zone of the web front end hosting the CRM online instance (like on-prem)? 

So, for instance, creating a new user in the UK would default all users to GMT Coordinated Universal Time, instead of the specific GMT Dublin, London, etc.?

If this is true, is there any way to default the time zone of new users, or is it a case of the new user process that they should setup this themselves in the personal settings / use a tool to set it outside of CRM?

Thanks,

James