The following is just the schedule skeleton, not the complete schedule.

Optional Pre-Conference Activities  Friday, October 1, 2021: 7:00 pm — Optional pre-conference dinner at location TBA.  Conference  Saturday, October 2, 2021: Between 7:30 am & 8:15 am — Register at hotel conference room. 8:15 am — HHC 2021 begins 12:00 noon — Lunch 1:30 pm — Conference resumes 6:00 pm — Conference Dinner 7:00 pm — Conference resumes 10:00 pm — Saturday conference ends Sunday, October 3, 2021: 10:00 am — Conference resumes 12:00 noon — Lunch 1:30 pm — Conference resumes 5:30 pm — End of HHC 2021 6:30 pm — Optional post-conference dinner at location TBA.  Optional Post-Conference Activities  Monday, October 4, 2021: 6-9:30 am (± 3 dB) — Optional post-conference breakfast in hotel restaurant.