Hillside's calendar is available to everyone here:  

https://calendar.google.com/calendar/u/0?cid=dnBsbHA2aTY3MDNwMnBxc2swcjBwNGU0OWtAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ

For people that do not have google accounts, it can be viewed at:

https://calendar.google.com/calendar/embed?src=vpllp6i6703p2pqsk0r0p4e49k%40group.calendar.google.com&ctz=America%2FLos_Angeles

You can add it to a mobile calendar with this subscription:

https://calendar.google.com/calendar/ical/vpllp6i6703p2pqsk0r0p4e49k%40group.calendar.google.com/public/basic.ics