Timed assignments and tests require that your time settings in Joule correspond to your physical time zone. The time zone setting is located within your Joule user profile. To check to see if the profile is set to your correct time zone, you can do the following:
In the Settings block, expand the My profile settings, and then select the Edit profile option
Select the correct Timezone from the dropdown list:
Click the Update profile button at the bottom of this page when done.