If you'd like to add the Christ Church Calendar to your device calendar, you can.
URL to copy: webcal://christchurchcarrollton.org/mediafiles/christ-church-events-feed-for-device-calendar.ics
Apple or iOS
If you use an Apple Calendar on your Mac or IOS device, follow these instructions to add a web-based calendar (no username or password required): https://support.apple.com/kb/ph11523?locale=en_US
Follow the instructions for an iPhone here: https://www.imore.com/how-subscribe-calendars-your-iphone-or-ipad
If you use Google Calendar follow the instructions in the below video (ffw to 1:00 minute).