Google Calendar integration with an option to block selected dates

Does it "read" availability and block a user from submitting a date/time that is not available? 

I've created a new thread for you here.

Our basic Date Picker does not have an option to block already selected date. If you want to block dates, we have a Date Reservation widget https://widgets.jotform.com/widget/date_reservation. I haven't tried this yet with Google Calendar. I'll keep you posted here. 

Ok, I figured out the Google Calendar integration only works with our Date Picker, and not any date widgets. But you can pass the Date Reservation to the Date Picker field by conditional logic.

Follow the steps here:

https://www.jotform.com/help/268-How-to-Insert-Text-or-Calculation-into-a-Field-Using-Conditional-Logic

The exact condition should be like this:

You can hide the Date Picker in the form so people cannot change the value. You can do it in the field properties. 

https://www.jotform.com/help/434-How-to-Hide-Form-Fields