Time zone is one of the Trading Preferences which you can adjust whenever you like from your Account Settings Menu. You can choose a time zone from the range of GMT-11 to GMT+13.
Here's how to do it from our Mobile App:
1. Tap on the Menu 
;
2. Select Settings 
;
3. Tap on [Time Zone] and choose your preferred one.
Here's how to do it, if you are using our Web-based platform:
1. Click on your drop-down menu at the top right corner of your screen, where your email is shown.
2. Open your Account Settings Menu.
3. Select your preferred Time Zone.