To add the calendar to an iPhone, copy this link, and go to Settings > Passwords & Accounts > Add Account > Other > Add Subscribed Calendar > Paste Link > Next > Next.
You will get all future calendar additions automatically added.
To add the calendar to an iPhone, copy this link, and go to Settings > Passwords & Accounts > Add Account > Other > Add Subscribed Calendar > Paste Link > Next > Next.
You will get all future calendar additions automatically added.