I called the support team to find out about hyperlinking an event date in a pushpage...
Your team deemed that they cannot make a date a clickable link that would create an entry in particular calendar program of choice and suggested I submit this as a request, so that our team can build this out as a feature for future releases within our software
Blackbaud Support Case 019648092
One of our parents made me a link for google but it wouldn't allow it.
Google calendar: <a target="_blank" href="https://calendar.google.com/calendar/event?action=TEMPLATE&tmeid=NGVzYzM1N3RkdWRtYTk1YzJldGc2a2s2Ymogc2FicmluYS5idWNrd2FsdGVyQG0&tmsrc=sabrina.buckwalter%40gmail.com"><img border="0" src="https://www.google.com/calendar/images/ext/gc_button1_en.gif"></a> This is an HTML link specifically formatted for HTML text in emails.