There are many online meetings around the world. A lot of them use Skype which can be installed on most computers by following the instructions on their website at skype.com
Australia hosts evening meetings which can be used as breakfast meetings in the UK. More details here
For other online meetings around the world at various times of the day, here's a link to NA's list. Choose Meetings in the top tab, then find Web in the drop-down menu of Countries.