Add tag in orders with order delivery date and time.
→ When the customers will place a new order by selecting the delivery date and time in your Shopify website, then order tags will be added to that order with delivery date and time.
→ Log in as admin to the website and go to the apps page.
→ Select the Order Delivery Date app.
→ Switch to the App Settings.
→ Look for the Date and Time Order Tag checkbox and check it to enable the option.
→ For the result of this option, please check the below image.