How do I specify estimated delivery time in the shipping method name?

How do I specify estimated delivery time in the shipping method name?

The specified delivery date/time is shown in shipping method's name for informational purposes only to let customers know how long they should wait for the order to arrive. Shipping Table Rates extension is unable to provide the options of delivery date selection from customer's side, or automatic delivery date calculation.
If you'd like to add estimated delivery time to the shipping method name, navigate to Sales → Shipping Table Rates → your shipping method → Methods and Rates → your rate and fill in the 'Estimated Delivery (days)' column with the necessary values for each rate:


Once done, go to the General tab of your shipping method, insert {day} variable in Name field, and click Save:  



As a result, the estimated delivery time of the suitable shipping rate will be displayed in the name of the shipping method: