First, log into the admin of website
Go to Settings, on the right column you will see Date Format and Time Format.
The Time Format and Date Format are set up %x, %y, %z. There are different possibilities to set up the Date and Time depending on if Uppercase or Lowercase text is used.
These are the available formats the time (by hour, minute, second, etc) and date (year, month, day, etc) that is specific to where the event is taking place. Simply replace the characters in the settings page with the new characters in the format you wish to display. In the screenshot below, you will see the character options as well as examples of different formats:
Once the correct format has been entered in the settings page, scroll to the bottom of the page and select Save.