Login as admin, and access Location settings Select any value for"default time zone" and in the "force timezone" field select anyone that starts by Pacific Enable "Mobile services": via Site administration ► Advanced users Create a Token for the mobile app service for any user on the site (but not an admin) Click on Site administration ► Plugins ► Web services ► Manage tokens Next, you can do a CURL REST call simulating a WS client with the user token. You need to replace the $wstoken and the MOODLE_URL of your moodle instance curl 'MOODLE_URL/webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=tool_mobile_get_config&wstoken=$wstoken' | python -m json.tool Confirm that: The timezone field value is the one you selected in the second step The forcetimezone field value is the one you selected in the second step