The public link, not requiring login: https://calendar.google.com/calendar/embed?src=ptn77nm4k5luq4uehtvvv2ikc0%40group.calendar.google.com&ctz=America%2FChicago
The shareable link, requiring Google login. Be aware: this will add my Opens calendar to your set of Google Calendars. If you already have it, then your calendar will remind you of that- no error, just a notification: https://calendar.google.com/calendar/u/0?cid=cHRuNzdubTRrNWx1cTR1ZWh0dnZ2MmlrYzBAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ
If you connect to the Shareable link, ask me for edit access and then you can claim my time!