We are now using a different version of the calendar as part of our website and all dates from the previous google calendar have been moved across. The 'old' Google calendar still is up and running and you can add it to your own calendar using this link: https://calendar.google.com/calendar?cid=dXU1cTB2Yjk0cTBwOTR1bDhzMGQ2a3I0cDRAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ