Forum:Chat ban time

Hello, I wanted to ask if it is possible to add more optional times for chat ban (for example: half a day, an hour, etc.). Penguin-Pal  (talk)  19:17, October 13, 2012 (UTC)
 * You should be able to edit MediaWiki:chat-ban-option-list --  Random Time  19:28, October 13, 2012 (UTC)