You can change the time zone of all two webmail clients provided by default on all AfeesHost servers.
In Horde the Time zone can be altered via Preferences -> Global Preferences -> Locale and Time. Choose the desired Time zone from the drop down menu then click the Save button.
In order to change the Time zone in RoundCube go to Settings -> Preferences -> User Interface and select the desired Time zone from the drop-down menu. Then click the Save button.
For example, if you are based in Nigeria select (GMT +01:00) Africa/Lagos as your desired Time zone from the drop-down menu. Then click the Save button.