To change your time zone go to the Calendar Settings page, which can be found under View All Settings in the dropdown beneath “Settings” in your navigation bar. At the top of that page simply select your location to set the timezone. Underneath the time zone, select your preferred format for the time and date (American time/date or International time/date). Using the option below format, select a "Week start day" for the week calendar view to start on a different day. Be sure to hit save after making any changes!