Setup Business Weekdays and Business hours in addition to Delivery Weekdays

Under settings – Custom Schedules tab

Custom Schedule

You can choose create a custom schedule by Product or By ship method

Custom Schedule – by Product

Schedule based on: Settings applied based on products in cart

Enable/Disable Delivery fields: Disable/Enable for specific products

Products: Products to apply this setting

Product Categories: Categories to apply

Block Slot time in hours: Timeslots start time will depend on this. It considers the current time on checkout.
It works as a preparation time to deliver.

Weekdays Schedule Settings:

Customize Days and Time on specific weekdays

Weekday: The weekdays to apply this settings

Enable/Disable Delivery Time: Enable timeslots on checkout

Timeslots: Choose if want to generate the timeslots based on a given time and duration, or if want to specify each timeslots manually

Timeslot Begin – End: Begin – end for generating timeslots

Timeslot duration: Duration in minutes for each generated timeslot

Custom Schedule – by Shipping Method

Schedule based on: Settings applied based on shipping method

Enable/Disable Delivery fields: Disable/Enable for specific shipping method

Shipping Method: Shipping Method to apply this setting

Weekdays Schedule Settings:

Customize Days and Time on specific weekdays

Weekday: The weekdays to apply this settings

Enable/Disable Delivery Time: Enable timeslots on checkout

Timeslots: Choose if want to generate the timeslots based on a given time and duration, or if want to specify each timeslots manually

Timeslot Begin – End: Begin – end for generating timeslots

Timeslot duration: Duration in minutes for each generated timeslot