Profiles
Your can adjust your profile details at any time but going to the Dashboard and clicking on your Member entry in the Your Members panel, or on your name in the top right corner.
If you are an administrator user you can change any member's details by clicking on their entry in the Your Members panel.
Administrators can also give admin rights to any user.
Time zones
In your profile, you should adjust the time zone to where you live. You should make sure that everyone in your club has this set correctly or the event dates and reminders will get out of sync.