Your phone, tablet or computer calendar can subscribe to this calendar to be always up to date.
To add this calendar to your iPhone or iPad, follow these steps:
On your device, navigate to this page and copy the very long link below.
Open 'Settings' -> 'Calendar'
Select 'Accounts' -> 'Add Account'
Select 'other' -> 'Add Subscribed Calendar'
On other devices, the steps will be similar - you are subscribing to a calendar 'feed' for your calendar 'app', and should copy the above string of characters.