Click on “Your Admin” on the ARIA bar at the bottom of the page. (If you cannot see this then you can access the page via instruct-eric.eu/adm)
Click on "Edit Profile" beside the cog picture and beneath your name on the top left of the page.
Scroll to the bottom of the page.
In the section "ARIA Settings" type in the text box marked "Timezone:" the location (usually a city) which marks your timezone (e.g. for the United Kingdom you would type "London").
Select the desired timezone location from the search results. If the search does not return your timezone location clicking in the box without typing should expand a scrollable list of locations from which you can select the location corresponding toy your timezone.
Click "Save Changes" at the bottom of the page to continue.
(If you cannot see this then you can access the page via 
