Caveat - you must have a Google account for this to work, or an email address linked to a Google account.

If you don't, then please follow the instructions from the previous page.

Click the links to add the calendars to your account:

Net 1 https://calendar.google.com/calendar/u/0?cid=bmV0MS5ycGNjQGdtYWlsLmNvbQ
Net 2 https://calendar.google.com/calendar/u/0?cid=bmV0Mi5ycGNjQGdtYWlsLmNvbQ
Net 3 https://calendar.google.com/calendar/u/0?cid=bmV0My5ycGNjQGdtYWlsLmNvbQ
Net 4 https://calendar.google.com/calendar/u/0?cid=bmV0NC5ycGNjQGdtYWlsLmNvbQ