Thread:Paul.rea/@comment-5237598-20150320090951/@comment-4091815-20150321182158

Unfortunately - that site gets it's information by scraping other sites.

"We use a number of sites for sources of information. In order to further increase the quality of data, we use both automatic and manually retrieved information. The data is collected and parsed by a custom-built screen-scraper, which collects data at various time intervals. This data is also manually checked once a week using a custom CMS."

In other words, they troll the internet and update the calendar from what they see. There's nothing official yet.