This extension helps customer to select available time slot for certain date.
Then sold out time slots become not available for that date.

You can use any titles for time slots.
Ability to specify price per slot.
Ability to specify number of orders per slot.
You can disable certain days of the week.
The same calendar can be used for multiple products.
All ordered time slots can be viewed on edit product page in Magento admin panel.
Selected time slots by customer are saved in text field product custom option. So they are visible on order info page and in order confirmation emails.

Installation instructions:
For Magento 2 README.html
For Magento 1.x README.html


Frontend:
hottons.com/demo/m2/phone-installation.html