Time in courseware wrong

I am having an issue with my Buddypress Courseware. The year and time where it says ‘Today is’, is completely wrong, and each time I refresh the page, the time changes.

For example:
http://i.imgur.com/MTtimkG.png
http://i.imgur.com/0AemLbh.png

Please can you tell me why this is happening and how I can fix it.

Thank you very much,
Char

http://ww.wp.xz.cn/extend/plugins/buddypress-courseware/