When your user account is created, your timezone preference defaults to UTC. You can adjust it by following these steps:
In the top-right corner of the web app, click the current project's name to open the drop-down menu.
Select Account settings.
Note: If you are a server operator, your home page will display your personal settings automatically.
Near the top-right corner of the page, click Edit.
Under 'Timezone', select your preferred timezone.